Untitled Document


Enter your search terms (e.g., carbon cycle), or get help.

   
Ingrese los términos de búsqueda (e.g., ciclo de carbon), u obtenga ayuda.


1.+ 74% Xyleborus affinis Eicch. su tronchetti di Dracaena di importazione. [USR]
2.+ 74% Biodiversity assessment. Distribution of biodiversity in forest patches and the agricultural landscape [USR]
3.+ 72% Linear programming and bioeconomic modeling of an artisanal fishery. [USR]
4.+ 72% Clasificacion preliminar de calidades de sitio y factores asociados con el crecimiento del Eucalyptus deglupta Blume para la region Huetar Norte, Costa Rica. [USR]
5.+ 72% Conservation of biodiversity in tropical moist forest fragments. [USR]
6.+ 72% Distribution of biodiversity in forest patches and in the agricultural landscape [USR]
7.+ 70% Research toward sustainable land use and biodiversity in a mosaic of agriculture and tropical forest. [USR]
8.+ 70% Proyecto arboles fijadores de nitrogeno: Leucaena-Calliandra; informe anual. [USR]
9.+ 70% Sistematizacion de un proceso educativo. [USR]
10.+ 68% Neogene calcareous nannofossil biostratigraphy of the Caribbean coast of Panama and Costa Rica. [USR]
11.+ 68% Economic values for production and functional traits in Holstein cattle of Costa Rica. [USR]
12.+ 68% A revision of Philodendron subgenus Philodendron (Araceae) for Mexico and Central America. [USR]
13.+ 68% Transporte de semillas por aves frugivoras de bosque hacia potreros en la falda este del Volcan Barva. [USR]
14.+ 68% Exploracion de opciones silvopastoriles para la sostenibilidad del sistema de doble proposito en el tropico humedo. [USR]
15.+ 68% Prospeccion fitonematologica en ornamentales de follaje de Costa Rica. [USR]
16.+ 68% Effects of two sizes of plant neighborhoods on avian seed dispersal in a neotropical mistletoe. [USR]
17.+ 68% Efecto de un raleo sobre el crecimiento de un bosque secundario de altura, cordillera de Talamanca, Costa Rica. [USR]
18.+ 68% Estado del ambiente y los recursos naturales en Centroamerica 1998. [USR]
19.+ 68% Aluminum toxicity on a coffee farm in the central highlands of Costa Rica. [USR]
20.+ 68% Dart-poison frogs. [USR]
21.+ 68% The dendrobatid frogs of Central America. [USR]
22.+ 68% Prospects for tropical forest biodiversity in a human-modified world. [USR]
23.+ 68% Chemical variation in defensive secretions of four species of Nasutitermes. [USR]
24.+ 68% Indicadores autoctonos tendientes a la sostenibilidad en los sistemas de produccion de la microcuenca del rio Dos Novillos. [USR]
25.+ 68% Market and policy incentives for livestock production and watershed protection in Arenal, Costa Rica. [USR]
26.+ 68% Four experiments investigating the decomposition rates and the potential use as mulch of four indigenous tree litters in the Atlantic lowlands of Costa Rica. [USR]
27.+ 68% Functional group diversity and responses to disturbance. [USR]
28.+ 68% Determinacion de residuos del insecticida methamidophos (O,S-dimetil-fosforamidotioato) en lechuga. [USR]
29.+ 68% Germinación y establecimento temprano de Quercus rugosa en bosques pinarizados de Los Altos de Chiapas, México. Germination and early establishment of Quercus rugosa in introduced pine forest in the Highlands of Chiapas, Mexico. [USR]
30.+ 68% Sterculia apetala (Jacq.) Karst. [USR]
31.+ 68% Relacion hombre-suelo y su efecto sobre los sistemas agricolas en tres comunidades de la zona atlantica de Costa Rica. [USR]
32.+ 68% Country report on cracids of Costa Rica. [USR]
33.+ 68% Monteverde: birder's paradise. [USR]
34.+ 68% Uso de extractos vegetales para el combate de Diabrotica spp. en el cultivo de frijol comun (Phaseolus vulgaris L.). [USR]
35.+ 68% Notes on Tabanidae (Dipt.) from Panama. V. The genus Tabanus, subgenus Bellardia Rondani. [USR]
36.+ 68% Lineamientos para el establecimiento de un instituto regional para gestion y manejo en foresteria y agroforesteria comunitaria en Centroamerica. [USR]
37.+ 68% Distribution of porosity in a section of upper oceanic crust exposed in The Troodos Ophiolite. [USR]
38.+ 68% Influence of a pheromone-based mass-trapping system on the distribution of Rhynchophorus palmarum (Coleoptera: Curculionidae) in oil palm. [USR]
39.+ 66% Integrating agricultural landscapes with biodiversity conservation in the Mesoamerican hotspot. [USR]
40.+ 66% Size, survivorship, and abundance; life history trade-offs and maintenance of diversity in a Neotropical seedling community. [USR]
41.+ 66% Mitos y realidad de la biodiversidad neotropical: ¨que hemos hecho, donde estamos y hacia donde vamos? [USR]
42.+ 66% Analisis del concepto de area de conservacion en Costa Rica y su aplicacion en las areas de conservacion: Guanacaste y Tempisque. [USR]
43.+ 66% Adaptacion y validacion de procedimientos para evaluar la capacidad de carga turistica en el Parque Nacional Corcovado, Costa Rica. [USR]
44.+ 66% Tasa de descomposicion, disponibilidad de nutrientes y efectos de la aplicacion de compuestos organicos sobre el cultivo de maiz en un humic andosol de Costa Rica. [USR]
45.+ 66% Tree damage and annual mortality in a montane forest in Monteverde, Costa Rica. [USR]
46.+ 66% Utilizacion de (Ischaemum timorense, Arachis pintoi y Pseudelephantopus spicatus) como coberturas en un drenaje terciario de la finca de banano de la EARTH. [USR]
47.+ 66% Tratamientos pregerminativos para algunas especies forestales nativas de la Region Huetar Norte de Costa Rica. [USR]
48.+ 66% Desechos industriales y calidad ambiental: Canton Belen, Heredia, Costa Rica. [USR]
49.+ 66% Land-use choice and forest patches in Costa Rica. [USR]
50.+ 66% The spider genus Tinus (Pisauridae). [USR]
51.+ 66% Bare-necked umbrellabird. [USR]
52.+ 66% An entomologist's summer visit to Jamaica and Costa Rica. [USR]
53.+ 66% A key to the genera of larval Carabidae (Col.). [USR]
54.+ 66% Lower Miocene floras and biogeography of Central America. [USR]
55.+ 66% Efecto de la vegetacion en la calidad de suelo en las riberas de la Quebrada Honda, La Argentina de Pocora, Limon, Costa Rica. [USR]
56.+ 66% Biodiversity conservation in neotropical coffee (Coffea arabica) plantations. [USR]
57.+ 66% Andira inermis (W. Wright) D. C. [USR]
58.+ 66% Calidad de agua y suelo de un humedal de la zona atlantica de Costa Rica que ha sido intervenido por la deposicion de estiercol bovino y porcino. [USR]
59.+ 66% Evaluacion de la resistencia de variedades de Coffea canephora y Coffea liberica procedentes del Jardin de Especies y Variedades de PROCAFE (El Salvador) y CATIE (Costa Rica). [USR]
60.+ 66% Integrating biodiversity in the tourism sector: best practice guidelines. [USR]
61.+ 66% Moluscos: bella riqueza del Mar Caribe. [USR]
62.+ 66% Efecto del sitio y del nivel de fertilizacion nitrogenada sobre la produccion y calidad de tres variedades de morera (Morus alba L.) en Costa Rica. [USR]
63.+ 66% Un genero nuevo y seis especies nuevas de coreidos neotropicales (Hemiptera: Heteroptera: Coreidae: Coreinae). [USR]
64.+ 66% Parasitism of ant-plant mutualisms and the novel case of Piper. [USR]
65.+ 66% Protozoenfauna Volume 4/1: Colpodea (Ciliophora). [USR]
66.+ 66% Growth and feed utilization of Dow cichlid (Cichlasoma dovii) larvae fed Artemia nauplii. [USR]
67.+ 66% Aislamiento de vibrios enteropatogenos de bivalvos y cieno del Golfo de Nicoya, Costa Rica. [USR]
68.+ 66% The pollination ecology and blooming strategy of a neotropical emergent tree, Dipteryx panamensis. [USR]
69.+ 66% A profile of the social impact of tourism development in Turrialba, Costa Rica. [USR]
70.+ 66% Anti-herbivore defenses of young tropical leaves: physiological constraints and ecological trade-offs. [USR]
71.+ 66% Seed dispersal and post-dispersal seed fate of four tree species in a neotropical cloud forest. [USR]
72.+ 66% Diversidad genetica y patogenica del hongo Magnaporthe grisea, agente causal del tizon del arroz en Costa Rica. [USR]
73.+ 66% National Parks, conservation, and development: the role of protected areas in sustainaing society. [USR]
74.+ 66% Desarrollo de modelos de prediccion para peso de follaje y volumen de albura: aplicacion de la teoria del modelo vascular (TMV) e implicaciones en el manejo, en Tectona grandis L. y Gmelina arborea Roxb., Hojancha, Guanacaste, Costa Rica. [USR]
75.+ 66% Sondeo de necesidades de capacitacion en areas protegidas en America Central. [USR]
76.+ 66% Periodicidades escondidas en las mareas de Puerto Moreno en el Golfo de Nicoya. [USR]
77.+ 66% Dynamics of woody seedling and sapling recruitment in second-growth tropical wet forests: an experimental approach. [USR]
78.+ 66% Dinamica de potasio en un Andisol de Coto Brus, Costa Rica. [USR]
79.+ 66% Disponibilidad para el maiz del nitrogeno proveniente de fuentes organicas y quimicas determinado mediante la tecnica del 15 nitrogeno. [USR]
80.+ 66% Classification, phylogeny, and zoogeography of Schizogenius Putzeys (Coleoptera: Carabidae: Scaritini). [USR]
81.+ 66% Seasonal distribution of bottlenose (Tursiops truncatus) and pan-tropical spotted (Stenella attenuata) dolphins (Cetacea: Delphinidae) in Golfo Dulce, Costa Rica. [USR]
82.+ 66% Deforestation and land use on the evolving frontier: an empirical assessment. [USR]
83.+ 66% Validacion de tecnologias para el manejo del complejo mosca blanca- geminivirus en tomate, mediante investigacion participativa. [USR]
84.+ 66% Monitoreo ecologico del manejo forestal en el tropico humedo: Una guia para operadores forestales y certificadores con enfasis en bosques de alto valor para la conservacion. [USR]
85.+ 66% Presence of deformed wing virus and Kashmir bee virus in Africanized honey bee colonies in Costa Rica infested with Varroa destructor. [USR]
86.+ 66% Respuesta de plantas de maracuya (Passiflora edulis) a la aplicacion de fertilizantes organicos y comerciales en las condiciones edafoclimaticas de Pocora, Limon, Costa Rica. [USR]
87.+ 66% Lombricomposteo de pulpa de naranja. [USR]
88.+ 66% La actividad del riego en Costa Rica: la gestion del SENARA. [USR]
89.+ 66% Respuesta de plantas de papaya (Carica papaya L.) a la aplicacion de cinco fertilizantes organicos y uno inorganico en etapa de vivero. [USR]
90.+ 66% Community and cooperative participation among land reform beneficiaries in Honduras. [USR]
91.+ 66% Evaluacion del impacto ambiental y socioeconomico de los hoteles ecoturisticos en la provincia de Limon, Costa Rica. [USR]
92.+ 66% Evaluacion de la calidad nutritiva y del potencial de produccion de forraje y semilla del mani forrajero (Arachis pintoi) CIAT 18744 en el Tropico Humedo de Costa Rica. [USR]
93.+ 66% Educacion ambiental comunitaria en la poblacion de El Roble de Alajuela. [USR]
94.+ 66% Prospects for circa situm tree conservation in Mesoamerican dry-forest agro-ecosystems. [USR]
95.+ 66% Sight record of Manx shearwater Puffinus puffinus for Costa Rica. [USR]
96.+ 66% Patrones fenologicos. [USR]
97.+ 66% The enigmatic biology of the ichneumonid subfamily Lycorininae. [USR]
98.+ 66% Analisis del crecimiento del follaje en tres especies de Erythrina en Costa Rica. [USR]
99.+ 66% A short note on Erythrina thyrsiflora Gomez-L. & L. D. Gomez (Fabaceae). [USR]
100.+ 66% Seleccion de sistemas de tratamiento de las aguas residuales en minas de carbon a cielo abierto. [USR]
101.+ 66% Modelaje del sector forestal en America Central. [USR]
102.+ 66% Icones pleurothallidinarum (Orchidaceae): Pleurothallis of Ecuador IV. [USR]
103.+ 66% Evidence for high biodiversity of Agaricales (Fungi) in Neotropical montane Quercus forests. [USR]
104.+ 66% La Cumbre de la Tierra, ECO 92: visiones diferentes. [USR]
105.+ 66% Horizontal and vertical distributions of the genus Maxillaria (Orchidaceae) in Costa Rica. [USR]
106.+ 66% Plan estrategico para el desarrollo del ecoturismo en Costa Rica. [USR]
107.+ 66% Katydids and termites: plankton and topsoil of a rainforest. [USR]
108.+ 66% Analisis genetico molecular de tres valiosas especies nativas maderables de Costa Rica. [USR]
109.+ 66% Palmorchis en Panama, una nueva especie donde menos se le esperaba. [USR]
110.+ 66% Analisis sobre el aprovechamiento turistico del Centro Ecologico Morpho, Guapiles, Costa Rica. [USR]
111.+ 66% Evaluacion de lineas de Catimor de la serie T-8600; en el canton de San Carlos, Costa Rica. [USR]
112.+ 66% Araucaria angustifolia (Bertoloni) Otto Kuntze. [USR]
113.+ 66% Fauna silvestre reportada como danina por el pequeno agricultor del distrito de Cobano, Puntarenas, Costa Rica. [USR]
114.+ 66% Greening development: Environmental implications of economic policies. [USR]
115.+ 66% Additions to the revision of the genus Hemistephanus Enderlein (Hymenoptera: Stephanidae), with inclusion of four taxa and description of two new species. [USR]
116.+ 66% Biodiversity prospecting frameworks: the INBio experience in Costa Rica. [USR]
117.+ 66% Agroforestry systems: important components in conserving the genetic viability of native tree species? [USR]
118.+ 66% Some aspects of the breeding biology of the Black Swift. [USR]
119.+ 66% Biodiversidad en paisajes agricolas: la necesidad de nuevos enfoques para su conservacion. [USR]
120.+ 66% New species, distributional notes and systematics of Eutrichites (Coleoptera: Staphylinidae: Pselaphinae). [USR]
121.+ 66% Taxodium mucronatum Tenore. [USR]
122.+ 66% A new Mouriri (Melastomataceae) from the Osa Peninsula of Costa Rica. [USR]
123.+ 66% Valoracion cualitativa y cuantitativa de las plantaciones forestales establecidas por los productores de la Cooperativa de Uvita (COOPEUVITA R.L.), en Osa de Puntarenas. [USR]
124.+ 66% Dosis y epocas de aplicacion de Atemi/alto 100 SL cyproconazol en el control de ojo de gallo (Mycena citricolor) en Costa Rica. [USR]
125.+ 66% Estimating competition coefficients: strong competition among three species of frugivorous flies. [USR]
126.+ 64% Biocompatibility: a criterion for conservation. [USR]
127.+ 64% Relation between size and foraging range in stingless bees (Apidae, Meliponinae). [USR]
128.+ 64% Componentes volatiles de las espigas de Piper auritum (Piperaceae) de Costa Rica. [USR]
129.+ 64% Guatimalensis prima flora seu catalogus plantarum vascularium atque descriptiones nonullorum generum specierumque, a missu in Novam Hispaniam allatae, secundum manuscriptum in Horto Regio Matritensi servatum a Iosepho Marianno Mocino exarata. [USR]
130.+ 64% Risk assessment of herbicide-resistant crops: a Latin American perspective using rice (Oryza sativa) as a model. [USR]
131.+ 64% Characterization of aluminum in volcanic ash soils. [USR]
132.+ 64% Vector ecology of bluetongue viruses in Central America and the Caribbean. [USR]
133.+ 64% Dano del ADN en trabajadoras bananeras expuestas a plaguicidas en Limon, Costa Rica. [USR]
134.+ 64% Diversity and the tropical rain forest. [USR]
135.+ 64% Politica forestal en Costa Rica. [USR]
136.+ 64% The relative success of Africanized and European honey-bees over a range of life-zones in Costa Rica. [USR]
137.+ 64% Statistical methods for estimating species richness of woody regeneration in primary and secondary rain forests of Northeastern Costa Rica. [USR]
138.+ 64% Ecology, conservation, and management of pollinators in a neotropical dry forest. [USR]
139.+ 64% Maxillaria gomeziana (Orchidaceae), a new species from southern Central America. [USR]
140.+ 64% Background noise from a natural chorus alters female discrimination of male calls in a Neotropical frog. [USR]
141.+ 64% Determinacion de plomo y cadmio en aguas que abastecen la comunidad de Santa Barbara de Heredia. [USR]
142.+ 64% Eira barbara. [USR]
143.+ 64% Actividad en el campo de la feromona de agregacion producida por el macho de Cosmopolites sordidus. [USR]
144.+ 64% Activation of Rho and Rab GTPases dissociates Brucella abortus internalization from intracellular trafficking. [USR]
145.+ 64% Analisis comparativo de la epidermis de dos especies de serpientes: Bothrops asper y Trimorphodon biscutatus (Serpentes: Viperidae, Colubridae) en Costa Rica. [USR]
146.+ 64% Factores biofisicos y socioeconomicos que influyen en la decision de reforestar en la cuenca del rio Purires, Costa Rica. [USR]
147.+ 64% Distribucion vertical de zooplancton en El Embalse Arenal, Costa Rica. [USR]
148.+ 64% Manejo de bosque natural: una perspectiva positiva. [USR]
149.+ 64% Amerikanische Hispeinen aus dem Zoologischen Museum der Berlin Universit„t, VIII. Teil: Die Arescini und die Gattung Solenispa Ws. Und Stenispa Baly. 87 Beitrag zur Kenntnis der Hispinen (Col. Chrys.). [USR]
150.+ 64% Evaluacion hormonal del ciclo reproductivo en las aves del genero Ara en cautiverio. [USR]
151.+ 64% Establecimiento y rentabilidad de una explotacion cunicula. [USR]
152.+ 64% Proteccion de obtenciones vegetales en Centroamerica. [USR]
153.+ 64% Niveles de virulencia y comportamiento de aislamientos de Phytophthora capsici obtenidos de chile (Capsicum annuum) en Costa Rica. [USR]
154.+ 64% Anting by some Costa Rican birds. [USR]
155.+ 64% Descriptions of new genera and species of the dipterous family Ephydridae. XIV. [USR]
156.+ 64% Economic stagnation and deforestation in Costa Rica and the Philippines. [USR]
157.+ 64% Biosphere reserves in tropical America. [USR]
158.+ 64% Ecological factors affecting group and territory size in white-throated magpie-jays. [USR]
159.+ 64% Asymmetries in specialization and coevolution. [USR]
160.+ 64% Neotropical checkered beetles of the genus Enoclerus (Coleoptera: Cleridae: Clerinae). [USR]
161.+ 64% Live fences, isolated trees, and windbreaks: tools for conserving biodiversity in fragmented tropical landscapes. [USR]
162.+ 64% Araucaria araucana (Mol.) K. Koch. [USR]
163.+ 64% Inventario de la variabilidad genetica del zapote (Pouteria sapota) en Costa Rica. [USR]
164.+ 64% Primer informe sobre la estacion de monitoreo de aves en Tortuguero, Costa Rica. [USR]
165.+ 64% Productividad y calidad nutritiva del pasto elefante enano (Pennisetum purpureum Schum) en la zona Atlantica de Costa Rica: diferentes combinaciones de frecuencias e intensidades de pastoreo. [USR]
166.+ 64% Rhinoclemmys pulcherrima (Gray, 1855) en cautiverio en Costa Rica. [USR]
167.+ 64% Bioreactor micropropagation technology for rapid commercialization opportunities in plantation crops. [USR]
168.+ 64% I Congreso Forestal Centroamericano (Edicion Especial). [USR]
169.+ 64% Descripcion e identificacion de la genitalia femenina de la especie de Liriomyza huidobrensis Blanchard en Cartago, Costa Rica. [USR]
170.+ 64% Systematics and phylogeny of Sparganothina and related taxa (Lepidoptera: Tortricidae: Sparganothini). [USR]
171.+ 64% Systematics, distribution, and host specificity of Amblyopinus Solsky 1875 (Coleoptera: Staphylinidae) in Mexico and Central America. [USR]
172.+ 64% Combate quimico de malezas en un vivero de mango (Mangifera indica) cv. Jamaica. [USR]
173.+ 64% Historia de la biologia en Costa Rica. [USR]
174.+ 64% Efectividad del Programa de Pago de Servicios Ambientales por Proteccion del Bosque (PSA-Proteccion) como instrumento para mejorar la calidad de vida de los propietarios de bosques en zonas rurales. [USR]
175.+ 64% Ecologia de semillas. [USR]
176.+ 64% Evaluacion del efecto de los anticuerpos maternos en el desarrollo de la respuesta serologica a la vacunacion con PVC-2 en cachorros de Costa Rica. [USR]
177.+ 64% Rainfall and parasitic wasp (Hymenoptera: Ichneumonoidea) activity in successional forest stages at Barro Colorado Nature Monument, Panama, and La Selva Biological Station, Costa Rica. [USR]
178.+ 64% Farmers, tree cover and biodiversity conservation in agricultural landscapes of Central America. [USR]
179.+ 64% Foliicolous lichens and their lichenicolous fungi from Ecuador, with a comparison of lowland and montane rain forest. [USR]
180.+ 64% New synonymy and new species of American bark beetles (Coleoptera: Scolytidae). Part III. [USR]
181.+ 64% New species of Gesneriaceae from the Neotropics. [USR]
182.+ 64% Reforestation in a Neotropical pasture: Differences in the ability of four tree taxa to function as recruitment foci. [USR]
183.+ 64% Pathological changes induced by BaH1, a hemorrhagic proteinase isolated from Bothrops asper (Terciopelo) snake venom, on mouse capillary blood vessels. [USR]
184.+ 64% Luis Alberto Fournier Origgi: docencia e investigacion universitaria en pro del desarrollo sostenible. [USR]
185.+ 64% Avances en el control microbiano de insectos en Costa Rica y Nicaragua. [USR]
186.+ 64% Memoria de investigacion, Reserva Forestal de San Ramon. [USR]
187.+ 64% Legislacion sobre desechos. [USR]
188.+ 64% Diferencias morfometricas por sexo de tres especies del genero Opisthonema (Pisces: Clupeidae) de la costa del Pacifico, Costa Rica. [USR]
189.+ 64% Evolutionary genetics and zoogeography of Middle American pocket gophers, genus Orthogeomys. [USR]
190.+ 64% Adaptacion y evaluacion de germoplasma de jicama (Pachyrhizus spp.) bajo condiciones de Costa Rica. [USR]
191.+ 64% Conus mahogani (Reeve, 1843). The first specimen from Cocos Island, Costa Rica. [USR]
192.+ 64% Antifungal components of Oreopanax spp. from a neotropical cloud forest in Costa Rica. [USR]
193.+ 64% Requisitos nutricionales, aprovechamiento de registros, ciclos de corta y evolucion de antracnosis en helecho hoja de cuero (Rumohra adiantiformis) en las fincas Follajes de Sarchi y Follajes Las Trojas. [USR]
194.+ 64% The importance of forest fragments to the maintenance of regional biodiversity in Costa Rica. [USR]
195.+ 64% Species Image Page [DATA]
196.+ 64% Streptokinase-mediated plasminogen activation: Molecular studies using genetically engineered streptokinase variants. [USR]
197.+ 64% Una nueva especie de Scatimus (Coleoptera: Scarabaeidae: Scarabaeinae) de Costa Rica. [USR]
198.+ 64% Patterns of use in leaf source species by mantled howler monkeys (Alouatta palliata). [USR]
199.+ 64% Bedtime stories. [USR]
200.+ 64% Promoting intake of Cratylia argentea as a dry season supplement for cattle grazing Hyparrhenia rufa in the subhumid tropics. [USR]
201.+ 64% Pin intramedular diafisiario: consideraciones generales y descripcion de un caso. [USR]
202.+ 64% Deforestation and the frontier lands. [USR]
203.+ 64% Mitigacion del efecto invernadero: estrategias para Latinoamerica. [USR]
204.+ 64% The degradation of Central American wetlands: in search of proximate and remote causes. [USR]
205.+ 64% Additional Panamanian species of Burmeistera (Campanulaceae: Lobelioideae). [USR]
206.+ 64% La ultraestructura de la superficie foliar de cultivares de maiz infectados con el virus del rayado fino. [USR]
207.+ 64% Cultivo del pejibaye (palmito y fruta) Bactris gasipaes (Sinonimo Guilielma gasipaes Kunth). [USR]
208.+ 64% Botanica de los cultivos tropicales. [USR]
209.+ 64% Canopy bryophyte communities of a lower montane wet forest in Costa Rica: quantitative sampling in intact forest and isolated trees. [USR]
210.+ 64% The role of territoriality in the ecology of the poison arrow frog _Dendrobates_ _pumilio_ [USR]
211.+ 64% Pheromone mass trapping of the West Indian Sugarcane Weevil and the American Palm Weevil (Coleoptera: Curculionidae) in palmito palm. [USR]
212.+ 64% Sistemas tradicionales y agroforestales de produccion caprina en America Central y Republica Dominicana. [USR]
213.+ 64% Small mammals in pastures [USR]
214.+ 64% Premier Latin American Institute loses grants, ponders future. [USR]
215.+ 64% New species and host plants of the Anthonomus grandis species group (Coleoptera: Curculionidae). [USR]
216.+ 64% Yellow naped Amazons (Amazona auropalliata). [USR]
217.+ 64% Biodiversity at its utmost: tropical forest beetles. [USR]
218.+ 64% Arboreal, ant-mimicking mutillid wasps, Pappognatha; parasites of neotropical Euglossa (Hymenoptera: Mutillidae and Apidae). [USR]
219.+ 64% Estado, sociedad y recursos forestales en Costa Rica (1970-1982). Seccion Tercera: Capitulo II: Las plantaciones forestales establecidas bajo el incentivo fiscal. [USR]
220.+ 64% Ninetieth Christmas bird count regional summaries: Costa Rica, Panama, Trinidad, South America. [USR]
221.+ 64% Growth, foliar and nutrient status of Terminalia amazonia planted in southwestern Costa Rica. [USR]
222.+ 64% Manejo integrado de la mazorca negra y la moniliasis del cacao en el tropico humedo bajo de Costa Rica. [USR]
223.+ 64% Estudio de suelos y capacidad de uso en las areas piloto, 7: Tierra Blanca de Cartago. [USR]
224.+ 64% Diversity and abundance of arbuscular-mycorrhizal fungus spores in tropical forest and pasture. [USR]
225.+ 64% Estudio comparativo de la polinizacion natural y artificial de la manzana cultivar Ana (Malus sp.) en una region alta de Costa Rica. [USR]
226.+ 64% The ultimate instar larvae of the Central American species of Progomphus Selys, with a description of P. belyshevi spec. nov. from Mexico (Anisoptera: Gomphidae). [USR]
227.+ 64% Migration patterns unravel the population, poverty, environment tangle. [USR]
228.+ 64% Costa Rica: marco institucional, estrategias, politicas e instrumentos para la prevencion, mitigacion y atencion de desastres. [USR]
229.+ 64% Forager polymorphism and foraging ecology in the leaf-cutting ant, Atta colombica. [USR]
230.+ 64% Informe de Costa Rica para la implementacion de la Convencion de Las Naciones Unidas de Lucha contra la Desertificacion (UNCCD). [USR]
231.+ 64% Four new species of Erythrodes from Costa Rica and Panama. [USR]
232.+ 64% Hearing and vocalizations in the orange-fronted conure (Aratinga canicularis), a small parrot. [USR]
233.+ 64% Asociaciones de nidos entre pajaros, hormigas y avispas en Costa Rica. [USR]
234.+ 64% Nemaya. Desarollo de una variedad porta-injerto resistente a los principales nematodos de America Central. [USR]
235.+ 64% Sistemas de riego disponibles en Costa Rica ventajas e inconvenientes. [USR]
236.+ 64% Aislamiento e identificacion de patogenos que afectan a Rottboellia cochinchinensis (Lour) W.D. Clayton en Costa Rica. [USR]
237.+ 64% Escarabajos de Costa Rica: Las familias mas comunes. [USR]
238.+ 64% Picudo de la palma y enfermedad del anillo rojo/hoja pequena en una plantacion comercial en Costa Rica. [USR]
239.+ 64% Ein seltener molch aus Costa Rica, Bolitoglossa subpalmata (Boul. 1896). [USR]
240.+ 64% Fire in a tropical dry forest of Central America: A natural part of the disturbance regime? [USR]
241.+ 64% Descriptions and notes on Orthocomotis Dognin (Lepidoptera: Tortricidae). [USR]
242.+ 64% Extraccion enzimatica de bixina de la semilla de achiote (Bixa orellana L.). [USR]
243.+ 64% Estudio preliminar sobre el efecto del manejo nutricional y de luz en el contenido de cera cuticular, y el uso de coberturas foliares en la infeccion de Mycena citricolor (Berk & Curt) Saac. en hojas de cafeto. [USR]
244.+ 64% Birds of a severely hurricane-damaged Atlantic coast rain forest in Nicaragua. [USR]
245.+ 64% Validacion del paquete tecnologico de la pina (Cayena lisa) en el Canton de Pococi, Provincia de Limon. [USR]
246.+ 64% Forest regeneration within agricultural windbreaks in Monteverde, Costa Rica. [USR]
247.+ 64% Multiple-scale spatial distribution of the fungal epiphyll Scolecopeltidium on Trichilia spp. in two lowland moist tropical forests. [USR]
248.+ 64% Predation on _Agalychnis_ _callidryas_ and _Bufo_ sp. tadpoles by dragonfly nymphs. [USR]
249.+ 64% Modelacion de la operacion de un sistema hidroelectrico en serie, caso del embalse Arenal, Costa Rica. [USR]
250.+ 64% Composicion quimico-nutricional en diferentes tallas y sexos del cambute, Strombus gracilior (Mesogastropoda: Strombidae) de Playa Panama, Costa Rica. [USR]
251.+ 64% Women and IPM: crop protection practices and strategies. [USR]
252.+ 64% Preliminary characterization of viruses infecting banana in Costa Rica. [USR]
253.+ 64% Systematics of Hintonia Bullock and the Portlandia complex (Rubiaceae). [USR]
254.+ 64% Conus luzonicus Hwass in Bruguiere, 1792. [USR]
255.+ 64% El extractivismo en America Latina: conclusiones y recomendaciones del Taller UICN-CCE, Amacayacu, Colombia, Octubre 1992. [USR]
256.+ 64% Territoriality and neighbor assessment in Brown Jays (Cyanocorax morio) in Costa Rica. [USR]
257.+ 64% Brood size and the economy of brood defence: examining Lack's hypothesis in a biparental cichlid fish. [USR]
258.+ 64% The potential for species conservation in tropical secondary forests. [USR]
259.+ 64% Genetic variation for adventitious rooting in response to low phosphorus availability: potential utility for phosphorus acquisition from stratified soils. [USR]
260.+ 64% Systematics of Anoura cultrata, A. brevirostrum, and A. werckleae. [USR]
261.+ 64% Estudio del comportamiento del bosque natural despues del aprovechamiento forestal. [USR]
262.+ 62% La Amistad: a long history of transboundary friendship in Central America. [USR]
263.+ 62% PROCUENCAS y la utilizacion de especies forestales nativas para la recuperacion de microcuencas. [USR]
264.+ 62% Avances en el manejo de Rottboellia cochinchinensis en maiz. [USR]
265.+ 62% Evaluacion de lineas de la variedad Colombia. [USR]
266.+ 62% Rain forest canopy: the high frontier. [USR]
267.+ 62% Ancient fires and fields: reconstructing the long-term biotic history of the Las Cruces Area. [USR]
268.+ 62% Importancia de la heterogeneidad ambiental en las comunidades de aranas de sotobosque [USR]
269.+ 62% Leaf litterfall in 5 forest stands [USR]
270.+ 62% Fluconazole in the treatment of Tinea capitis. [USR]
271.+ 62% Tubu: Montanoa guatemalensis Klatt (Montanoa dumicola). [USR]
272.+ 62% Taking care of Sib”'s gifts: an environmental treatise from Costa Rica's Kek”Ldi Indigenous Reserve. [USR]
273.+ 62% Patterns of diversity and floristic composition in Neotropical montane forests. [USR]
274.+ 62% Evaluacion de cepas de Rhizobium en cuatro leguminosas de cobertura. [USR]
275.+ 62% Plan general de uso de la tierra. t.1: Presentacion y antecedentes; t.2: Sintesis, diagnosticos y pronosticos sectoriales; t.3: Propuestas y lineamientos estrategicos; t.4: Programas y subprogramas seleccionados; t.5: Memoria cartografica. [USR]
276.+ 62% Respuesta de la entomofauna benefica del cafeto (Coffea arabica) a varias frecuencias de aplicacion de endosulfan, en Costa Rica. [USR]
277.+ 62% Equity and the environment in the promotion of nontraditional agricultural exports. [USR]
278.+ 62% Estudio de la migracion del quetzal, Pharomachrus mocinno. [USR]
279.+ 62% Las especies de Trachelomonas (Algas: Euglenophyta) en tres lagunas volcanicas de Costa Rica. [USR]
280.+ 62% Common and confusing bipinnate-dimidiate adiantums of tropical America. [USR]
281.+ 62% Neutral and nonneutral mitochondrial genetic variation in deep-sea clams from the family Vesicomyidae. [USR]
282.+ 62% Population fluctuations of economic species of Anastrepha (Diptera: Tephritidae) related to mango fruiting phenology in Costa Rica. [USR]
283.+ 62% Forest succession in an abandoned pasture in Braulio Carrillo National Park, Costa Rica. [USR]
284.+ 62% Expanding scientific research programs to address conservation challenges in freshwater ecosystems. [USR]
285.+ 62% Maderables y leguminosas como sombra para cacao en Talamanca, Costa Rica y Bocas del Toro, Panama. [USR]
286.+ 62% See how they grow: Tracking capuchin monkey (Cebus capucinus) populations in a regenerating Costa Rican dry forest. [USR]
287.+ 62% Bronzed Cowbird hosts: new records, trends in host use, and cost of parasitism. [USR]
288.+ 62% Habitat characteristics of lek sites and their availability for the ochre-bellied flycatcher, Mionectes oleagineus. [USR]
289.+ 62% Efecto de forrajeo de los correlimos (Aves: Scolopacidae) sobre las poblaciones de invertebrados de la zona de entremareas, Chomes, Golfo de Nicoya, Costa Rica. [USR]
290.+ 62% Crecimiento del guapote tigre, Cichlasoma managuense (Pisces: Cichlidae) bajo regimen de cultivo intensivo en estanques de tierra. [USR]
291.+ 62% Uso del 2,4-DB para el combate de algunas malezas en helecho hoja de cuero (Rumohra adiantiformis). [USR]
292.+ 62% Threats to the diversity of solitary bees in a Neotropical dry forest in Central America. [USR]
293.+ 62% The importance of mountains to pteridophytes, with emphasis on Neotropical montane forests. [USR]
294.+ 62% Isolation and structure of the cytostatic lignan glycoside phyllanthostatin A. [USR]
295.+ 62% Diversidad de aves de sotobosque asociadas a plantaciones de banano en Costa Rica. [USR]
296.+ 62% Capacitacion de pequenos reforestadores en el campo de proteccion forestal en seis areas de conservacion del pais. [USR]
297.+ 62% The use of field-based social information in eusocial foragers: Local enhancement among nestmates and heterospecifics in stingless bees. [USR]
298.+ 62% Comparacion de tecnicas para el inventario de humedales en Costa Rica. [USR]
299.+ 62% Seleccion de especies y procedencias forestales. [USR]
300.+ 62% Soil microbial dynamics in Costa Rica: seasonal and biogeochemical consequences constraints. [USR]
301.+ 62% Investigacion sobre Xylella fastidiosa en Costa Rica. [USR]
302.+ 62% Proteccion de obtenciones vegetales en Centroamerica. [USR]
303.+ 62% La coordinacion interorganizacional en la administracion de los recursos naturales renovables en Costa Rica. [USR]
304.+ 62% Estimating global biodiversity: tropical beetles and wasps send different signals. [USR]
305.+ 62% Geographic variation and ecological determinants of the ant occupants of Conostegia setosa (Melastomataceae). [USR]
306.+ 62% Canopy seed banks as time capsules of biodiversity in pasture-remnant tree crowns. [USR]
307.+ 62% Modern tropical forest taphonomy: Does high biodiversity affect paleoclimatic interpretations? [USR]
308.+ 62% New species in the New World Natada complex (Lepidoptera: Limacodidae). [USR]
309.+ 62% Selecting for extinction: nonrandom disease-associated extinction homogenizes amphibian biotas. [USR]
310.+ 62% A new locality for a rare Ithomiine, butterfly, Pteronymia donata, in Costa Rica. [USR]
311.+ 62% A new white Sobralia from Costa Rica. [USR]
312.+ 62% Notes on the Plagiochilaceae, XV. The genus Steereochila Inoue and Plagiochila eggersii, sp. nov. [USR]
313.+ 62% The origin of cultivated Coffea arabica L. varieties revealed by AFLP and SSR markers. [USR]
314.+ 62% Influencia del pretratamiento y cuidado de los electrodos en la cuantificacion de ultratrazas de Pb y Cd en aguas de consumo humano. [USR]
315.+ 62% Stand characteristics and leaf litter composition of a dry forest hectare in Santa Rosa National Park, Costa Rica. [USR]
316.+ 62% Medicion de impacto en APACCO, CARE Costa Rica; estudio de caso. [USR]
317.+ 62% A revision of Oocyclus Sharp of Mexico and Central America (Coleoptera: Hydrophilidae). [USR]
318.+ 62% Litter ant patchiness at the 1 mý scale: disturbance dynamics in three neotropical forests. [USR]
319.+ 62% Efecto de cuatro niveles de pulidura de arroz sobre la produccion de leche de vacas en pastoreo, suplementadas con follaje de poro (Erythrina poeppigiana (Walpers) O.F. Cook). [USR]
320.+ 62% Indena and INBio sign deal. [USR]
321.+ 62% Determinacion del potencial turistico orientado hacia la naturaleza de una region humeda tropical en Costa Rica. [USR]
322.+ 62% Evidence for reinforcement of speciation in pollinator-sharing neotropical Costus. [USR]
323.+ 62% Presencia de Tityus cerroazul Louren‡o, 1986 (Scorpiones: Buthidae) en Costa Rica y descripcion del macho. [USR]
324.+ 62% Review of the Thalycra complex (Coleoptera: Nitidulinae) with three new genera and notes on mycophagy. [USR]
325.+ 62% Comportamiento estral de novillas cebu sincronizadas con un progestageno (Norgestomet). [USR]
326.+ 62% Bat serenades - complex courtship songs of the sac-winged bat (Saccopteryx bilineata). [USR]
327.- 62% Directorio de organizaciones, instituciones y consultores en el sector de recursos naturales en Costa Rica. [USR]
328.- 62% Los recursos forestales: una opcion de desarrollo. [USR]
329.- 62% Cultivo del platano Musa AAB. [USR]
330.- 62% Allometric relationships in Bactris gasipaes for heart-of-palm production agroecosystems in Costa Rica. [USR]
331.- 62% New larval medium and improved pupal recovery method for the Mediterranean Fruit Fly in Costa Rica. [USR]
332.- 62% New Ithomiinae of Mexico and Central America (Nymphalidae). [USR]
333.- 62% A new red-eyed tree-frog (family Hylidae) from Costa Rica, with a review of the Hyla uranochroa group. [USR]
334.- 62% Tropical forest succession: Identification and dynamics within the biophysical and socio-economics landscape [USR]
335.- 62% Comparative study of the edema-forming activity of Costa Rican snake venoms and its neutralization by a polyvalent antivenom. [USR]
336.- 62% In search of the Golden Toad. [USR]
337.- 62% Life history of the Groove-billed Ani. [USR]
338.- 62% Pago por servicios ambientales en Costa Rica: hacia un metodo eficiente de asignacion de recursos. [USR]
339.- 62% Abundancia relativa de Stomoxys calcitrans (L.) (Diptera: Muscidae) en seis localidades del Pacifico Sur de Costa Rica. [USR]
340.- 62% Economics and biological diversity: developing and using economic incentives to conserve biological resources. [USR]
341.- 62% Economics and biological diversity: developing and using economic incentives to conserve biological resources. [USR]
342.- 62% Rhizoglyphus costarricensis spec. nov. (Acari: Acaridae) asociado con el dano en semilla de arroz (Oryza sativa L.) en Costa Rica. [USR]
343.- 62% Neotibilis, um novo gˆnero de Pentatomini (Heteroptera). [USR]
344.- 62% Damage of croplands by collared peccaries in a neotropical forest isolate. [USR]
345.- 62% Prosopis juliflora (SW.) DC. [USR]
346.- 62% The grasshoppers of Costa Rica: a survey of the parameters influencing their conservation and survival. [USR]
347.- 62% El monitoreo ecologico como herramienta de manejo para la conservacion: bases conceptuales y estructura del Programa de Monitoreo Ecologico Terrestre en Areas Protegidas y Corredores Biologicos de Costa Rica. [USR]
348.- 62% Identificacion de arboles de araza (Eugenia stipitata) y la variacion estacional de nutrimentos asociada. [USR]
349.- 62% Studies in neotropical polypores 2: a preliminary key to neotropical species of Ganoderma with a laccate pileus. [USR]
350.- 62% Distribution and abundance of Diptera in flypaper traps at Theobroma cacao L. (Sterculiaceae) flowers in Costa Rican cacao plantations. [USR]
351.- 62% Are bats rare in tropical Africa? [USR]
352.- 62% Comentario sobre la clasificacion del mastodonte de Barra Honda (=Rio Nacaome), Guanacaste, Costa Rica. [USR]
353.- 62% Effect of CO2-enrichment on seedling physiology and growth of two tropical tree species. [USR]
354.- 62% What is mahogany? The importance of a taxonomic framework for conservation. [USR]
355.- 62% Agricultural and trade policy reform as environmental protection? [USR]
356.- 62% Genetic diversity and population structure of trees in fragmented dry zones forests of Central America. [USR]
357.- 62% A cross section of the convergent Pacific margin of Nicaragua. [USR]
358.- 62% Probability of economic maize yield response to sulfur fertilization in Central America. [USR]
359.- 62% Modelling the growth and utilisation of kikuyu grass (Pennisetum clandestinum) under grazing. 2. Model validation and analysis of management practices. [USR]
360.- 62% New species and phylogenetic analysis of Cryptodacus, Haywardina, and Rhagoletrypeta (Diptera: Tephritidae). [USR]
361.- 62% The.leaf.project: A rainforest grows in the classroom. [USR]
362.- 62% 10 anos del INBio: de una utopia a una realidad. [USR]
363.- 62% Utilizacion de arboles forrajeros como suplemento a ganado bovino. [USR]
364.- 62% Cross-site differences in foraging behavior of white-faced capuchins (Cebus capucinus). [USR]
365.- 62% New directions for livestock policy: an environmental perspective. [USR]
366.- 62% Drephalys: division of this showy neotropical genus, plus a new species and the immatures and food plants of two species from Costa Rican dry forest (Hesperiidae: Pyrginae). [USR]
367.- 62% Revision of Lindneria Kr”ber, with the description of two new genera Insulatitan and Ambradolon, a fossil from Dominican amber (Diptera: Therevidae: Therevinae). [USR]
368.- 62% The susceptibility of tropical forest bird communities to habitat fragmentation. [USR]
369.- 62% HymenoptŠres Crabronides Crabroniens des Ameriques du genre Rhopalum Stephens, 1829. [USR]
370.- 62% Metodologia para la evaluacion de la calidad de plantaciones forestales recien establecidas. [USR]
371.- 62% Corredor Biologico Mesoamericano: Naturalmente unidos. [USR]
372.- 62% Influencia del deficit hidrico en la germinacion de Rottboellia exaltata bajo sequia simulada. [USR]
373.- 62% Tropical science and tourism: the case of OTS in Costa Rica. [USR]
374.- 62% A soil erosion mapping exercise in Costa Rica: purposes, methodology, and results. [USR]
375.- 62% Humpback whales and other marine mammals off Costa Rica and surrounding waters, 1996-2003. Report of the Oceanic Society 2003 field season in cooperation with Elderhostel volunteers. [USR]
376.- 62% The genus Eumecosomyia Hendel (Diptera, Otitidae). [USR]
377.- 62% Tres temas para reflexionar: a proposito de las experiencias del Proyecto de Dialogo Ambiental en Comunidades. [USR]
378.- 62% Revision of the deep-sea anglerfish genus Acentrophryne Regan (Lophiiformes: Ceratioidei: Linophrynidae), with the description of a new species from off Peru. [USR]
379.- 62% Can spider monkeys (Ateles geoffroyi) discriminate vocalizations of familiar individuals and strangers? [USR]
380.- 62% Monteverde limits of acceptable change study: managing use at Monteverde Cloud Forest Reserve. [USR]
381.- 62% Amino acid sequence of a myotoxic Lys49-phospholipase A2 homologue from the venom of Cerrophidion (Bothrops) godmani. [USR]
382.- 62% Evaluacion de la inhibicion del edema inducido por el veneno de Bothrops asper mediante extractos de plantas de la flora costarricense. [USR]
383.- 62% Prospectors for tropical medicines. [USR]
384.- 62% C2H2-reduction by Erythrina poeppigiana in a Costa Rican coffee plantation. [USR]
385.- 62% Melina: la madera del futuro. [USR]
386.- 62% An ecological and socio-economic analysis of forest regeneration in Costa Rica. [USR]
387.- 62% Competitiveness, systems of innovation and the learning economy: the forest sector in Costa Rica. [USR]
388.- 62% HymenoptŠres Sphecides Crabroniens d'Amerique latine du genre Podagritus Spinola, 1851. [USR]
389.- 62% Coffee and power: revolution and the rise of democracy in Central America. [USR]
390.- 62% Furuncular myiasis due to Dermatobia hominis: 5 new imported cases: A review of the Italian literature. [USR]
391.- 62% El manejo de los bosques tropicales: una necesidad real. [USR]
392.- 62% Combate agroquimico de malezas en un huerto de guanabana (Annona muricata L.) en edad productiva. [USR]
393.- 62% Basidiomicetos resupinados de Costa Rica. Myxariaceae s. Julich, Sebacinaceae Wells & Oberw., y Tremellodendropsidaceae Julich. [USR]
394.- 62% Normas y estandares para la comunidad de usuarios de sistemas de informacion geografica en Costa Rica. [USR]
395.- 62% Helmintos parasitos de la rata Sigmodon hispidus (Rodentia: Cricetidae) de un habitat estacional y otro perenne en Costa Rica. [USR]
396.- 62% Gardens beans cultivated as esculents. [USR]
397.- 62% Altitudinal migrants at Estacion Biologica La Selva and Parque Nacional Braulio Carrillo, Costa Rica. [USR]
398.- 62% Site Description, 1996. Research towards sustainable land use and biodiversity in a mosaic of agriculture and tropical forest. [USR]
399.- 62% Anthoathecatae and Leptothecatae hydroids from Costa Rica (Cnidaria: Hydrozoa). [USR]
400.- 62% Debt-for-nature exchanges and biosphere reserves: experiences and potential. [USR]
401.- 62% Arboles de Costa Rica. Vol. III. [USR]
402.- 62% Utilizacion a nivel de vivero, de diferentes practicas de combate integrado de Phytophthora sp., causante de la pudricion radical de la papaya, en material criollo y hawaiano. [USR]
403.- 62% IOC-UNEP-IMO Committee for the Global Investigation of Pollution in the Marine Environment, eighth session. San Jose. CR. 18-22 April 1994. [USR]
404.- 62% Arboles y arbustos forrajeros, mejor vida para Puriscal. [USR]
405.- 62% Scarab beetles of the genus Onthophagus Latreille North of Mexico (Coleoptera: Scarabaeidae). [USR]
406.- 62% The role of plants in structuring communities of mimetic insects. [USR]
407.- 62% A review of the Rhopalophorini (Coleoptera: Cerambycidae) of North and Central America. [USR]
408.- 62% Revision of the tribe Phyllotini (Rodentia: Sigmondontinae), with a phylogenetic hypothesis for the Sigmodontinae. [USR]
409.- 62% Biomass, productivity and density of the seagrass Thalassia testudinum at three sites in Cahuita National Park, Costa Rica. [USR]
410.- 62% Debt and the environment. [USR]
411.- 62% Tecnologia de bajos insumos para la fertilizacion del frijol tapado. [USR]
412.- 62% Capacitacion para la conservacion de los recursos naturales en America Latina y El Caribe. [USR]
413.- 62% El desarrollo de una vision: establecimiento de las metas para alcanzar el manejo integrado de la cuenca. [USR]
414.- 62% Manakins (Pipridae) in second-growth and old-growth forests: Patterns of habitat use, movement, and survival. [USR]
415.- 62% Sistema experto para el diagnostico de plagas insectiles del cultivo de maiz (Zea mays) en Centroamerica. [USR]
416.- 62% Niveles criticos de azufre en Ultisoles, Inceptisoles, Vertisoles y Andisoles de Costa Rica. [USR]
417.- 62% Evaluacion del manejo y clasificacion de tierras para uso forestal en America Central. [USR]
418.- 62% Environmental impact of coffee production and processing in El Salvador and Costa Rica. [USR]
419.- 62% Vertebrate predation and food-sharing in Cebus and Pan. [USR]
420.- 62% Emerging infectious disease and the loss of biodiversity in a Neotropical amphibian community. [USR]
421.- 62% Copestylum circumdatum (Walker) (Diptera: Syrphidae): redescription of a neotropical flower fly, with lectotype designations, and new synonyms. [USR]
422.- 62% The larva of Macrothemis inacuta (Odonata: Libellulidae). [USR]
423.- 62% An unusual flowering strategy and new species in Calathea. [USR]
424.- 62% Anthropogenic environmental change and the emergence of infectious diseases in wildlife. [USR]
425.- 62% Systematics of Otarrha, a new Neotropical subgenus of Chimarra (Trichoptera: Philopotamidae). [USR]
426.- 62% A study on the spatial distribution of land use in the Settlement Neguev. [USR]
427.- 62% List of Birds at the Palo Verde Field Station. [USR]
428.- 62% The role of dissolved organic carbon, dissolved organic nitrogen, and dissolved inorganic nitrogen in a tropical wet forest ecosystem. [USR]
429.- 62% Male-female conflict and genitalia: failure to confirm predictions in insects and spiders. [USR]
430.- 62% Estados inmaduros de insectos de los ordenes Coleoptera, Diptera y Lepidoptera: manual de reconocimiento. [USR]
431.- 62% Lianas are increasing in biomass in a tropical wet forest in Costa Rica. [USR]
432.- 62% Seed predation in Neotropical pre-montane pastures: site, distance, and species effects. [USR]
433.- 62% The importance of forest fragments to the maintenance of regional biodiversity in Costa Rica. [USR]
434.- 62% Memoria de la conferencia de especialistas en extension de America Central. CATIE, Turrialba. CR. 12-14 de setiembre de 1988. 1988-09-12. [USR]
435.- 62% The Clusiidae (Diptera) of Puerto Rico and the Virgin Islands. [USR]
436.- 62% Fijacion larval y crecimiento del mejillon Mytella guyanensis L. (Bivalvia: Mytilidae) en Isla Chira, Costa Rica. [USR]
437.- 62% Management of habitat fragments in a tropical dry forest: growth. [USR]
438.- 62% Etat des plantations de teck (Tectona grandis L.f.) dans le monde. [USR]
439.- 62% Valoracion economica de plantaciones forestales: el caso de la teca en la Region Huetar Norte. [USR]
440.- 62% Resumenes de las tesis de grado sobre silvicultura y agroforesteria en CATIE 1982-1995. [USR]
441.- 62% Seed dispersal of a high quality fruit by specialized frugivores: High quality dispersal? [USR]
442.- 62% Productivity in a social wasp: Per capita output increases with swarm size. [USR]
443.- 62% Nutrimentos limitantes para el kudzu (Pueraria phaseoloides) en tres suelos de una toposecuencia en Guardia, Liberia, Guanacaste. [USR]
444.- 62% Soil response to forest in the USA and the tropics: geological and biological factors. [USR]
445.- 62% Breeding soundness evaluation of extensively managed bulls in Costa Rica. [USR]
446.- 62% Deteccion de la leprosis de los citricos en la frontera sur de Costa Rica. [USR]
447.- 62% The potential of plantations to foster woody regeneration within a deforested landscape in lowland Costa Rica. [USR]
448.- 62% Bezzimyia - a genus of native New World Rhinophoridae (Insecta, Diptera). [USR]
449.- 62% Dynamics and species richness of tropical rain forests. [USR]
450.- 62% Niveles y epocas de fertilizacion con boro al suelo. [USR]
451.- 62% Canopy roots: convergent evolution in rainforest nutrient cycles. [USR]
452.- 62% Angiostrongiliase abdominal. Um problema de Saude Publica? [USR]
453.- 62% Global gap analysis: towards a representative network of protected areas. [USR]
454.- 62% Untersuchungen zur Okologie und Phanologie verschiedener Vertreter der Baumfarngattungen Cyathea und Alsophila (Cyatheaceen) sowie der auf ihren Stammen zu findenden vaskularen Epiphytengesellschaften. [USR]
455.- 62% Sistemas de produccion y transferencia de tecnologia en la economia cafetalera de Centroamerica. [USR]
456.- 62% Pollination of Ficus costaricana and Ficus hemsleyana by Blastophaga estherae and Blastophaga tonduzi in Costa Rica (Hymenoptera: Chalcidoidea, Agaonidae). [USR]
457.- 62% Costa Rican rainforests: trees for the people. [USR]
458.- 62% Estudio fitoquimico preliminar de la especie Virola koschnyi. [USR]
459.- 62% Comportamiento reproductivo de novillas Bos taurus X Bos indicus inseminadas artificialmente a estro natural en el tropico seco de Costa Rica. [USR]
460.- 62% Ecology and ecophysiology of tropical hemiepiphytes. [USR]
461.- 62% An image processing chain for land-cover classification using multitemporal ERS-1 data. [USR]
462.- 62% Annual variation in seedfall, postdispersal predation, and recruitment of a neotropical tree. [USR]
463.- 62% Hule: una laguna tropical. [USR]
464.- 62% The amazonica species group of the genus Nitela Latreille (Hymenoptera: Sphecidae: Crabroninae). [USR]
465.- 62% Forest canopies: methods, hypotheses, and future directions. [USR]
466.- 62% Presencia de residuos de antibioticos en leche pasterizada distribuida por los servicios de nutricion de los hospitales en Costa Rica. [USR]
467.- 62% Maintenance of rain forest diversity in riparian forests of tropical savannas: implications for species conservation during Pleistocene drought. [USR]
468.- 62% Rapid recovery of biomass, species richness, and species composition in a forest chronosequence in Northeastern Costa Rica. [USR]
469.- 62% No park is an island: increase in interference from outside as park size decreases. [USR]
470.- 62% Influence of attractants on behavior of screwworms (Diptera: Calliphoridae) in a tropical wet forest in Costa Rica. [USR]
471.- 62% Soil-atmosphere nitrogen oxide fluxes: Effects of root disturbance. [USR]
472.- 62% Man-wildlife relationships in a tropical lagoon area: The case of Tortuguero (Costa Rica). [USR]
473.- 62% Species loss in fragments of tropical rain forest: A review of the evidence. [USR]
474.- 62% Species loss in fragments of tropical rain forest: A review of the evidence. [USR]
475.- 62% Analisis economico de la produccion y mercadeo de la palma Phoenix roebelinii (Dwarf Date Palm) en Costa Rica. [USR]
476.- 60% Volume tables for laurel, Cordia alliodora, in northern Costa Rica. [USR]
477.- 60% Cloud forest archipielagos: Preservation of frangmented montane ecosystems in tropical America. [USR]
478.- 60% Organismos de un arrecife fosil (Oligoceno Superior-Mioceno Inferior), del Caribe de Costa Rica. [USR]
479.- 60% Combate de estrella africana (Cynodon nlemfuensis) en macadamia. [USR]
480.- 60% Efecto del manejo sobre el crecimiento por region de Gmelina arborea (melina). [USR]
481.- 60% Destruccion de los ecosistemas forestales de America Central: Acciones necesarias para conservar el germoplasma. [USR]
482.- 60% Chytridiomycosis in wild frogs from Southern Costa Rica. [USR]
483.- 60% Aspects of the biology of Costa Rican halictine bees, III. Sphecodes kathleenae, a social cleptoparasite of Dialictus umbripennis (Hymenoptera: Halictidae). [USR]
484.- 60% Biological activity of two neem (Azadirachta indica A. Juss., Meliaceae) products on Hypsipyla grandella (Lepidoptera: Pyralidae) larvae. [USR]
485.- 60% Reducing emissions from deforestation and forest degradation (REDD) - assessing the opportunity in Costa Rica. [USR]
486.- 60% Leafcutting ant diet selection: relative influence of leaf chemistry and physical features. [USR]
487.- 60% Determinacion de la incidencia a seropositividad, infeccion a Babesia bovis y Babesia bigemina (Hemosporidia: Babesiidae), en ganado cebuino adulto de una finca de cria, en un clima tropical seco de Costa Rica. [USR]
488.- 60% Oil palm germplasm of Tanzanian origin. [USR]
489.- 60% The mystery of the gracious hosts: insect guests don't get under the skin of some accommodating rodents. [USR]
490.- 60% Aluminum and heavy metal partitioning in A horizons of soils in Costa Rican coffee plantations. [USR]
491.- 60% Forestry and rural development in Costa Rica: an analysis of the roles of government, environmental organizations and rural communities in the evolution of local forest management. [USR]
492.- 60% Neotropical Chlidanotini (Lepidoptera, Tortricidae). [USR]
493.- 60% Colonization of forest gaps by some common shrubs: effects of gap age, seed dormancy and bird dispersal. [USR]
494.- 60% The function of male dominance in the eusocial wasp, Mischocyttarus mastigophorus (Hymenoptera: Vespidae). [USR]
495.- 60% Combate de Panicum zizanoides H.B.K. y Paspalum conjugatum Beg. en banano (Musa AAA) en el tropico humedo de Costa Rica. [USR]
496.- 60% A silvopastoral system - the effect of trees on pasture. [USR]
497.- 60% Ecology of the vertebrate predators at La Selva. [USR]
498.- 60% Adoption of innovations by Costa Rican livestock producers under different levels of extension intensity: predicted versus observed behaviour. [USR]
499.- 60% Natural history of the spittlebug Prosapia nr. bicincta (Homoptera: Cercopidae) in association with dairy pastures of Costa Rica. [USR]
500.- 60% GAP analysis in Costa Rica: overview of an ongoing project. [USR]