Browsing Instituto Internacional en Conservación y Manejo de Vida Silvestre by Title
Now showing items 69-88 of 135
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Evaluación del estado poblacional del sapo arlequín (Atelopus varius) y la prevalencia del hongo quitridio (Batrachochytrium dendrobatidis) en una población de la zona protectora Las Tablas, Costa Rica
(Universidad Nacional (Costa Rica). Instituto Internacional en Conservación y Manejo de Vida Silvestre, 2017)El sapo arlequín, Atelopus varius, críticamente amenazado, fue considerado extinto en Costa Rica en 1996. En 2008 se descubrió una población remanente en la Zona Protectora Las Tablas, Costa Rica. El objetivo de este ... -
Evaluación del riesgo de las carreteras nacionales para la fauna silvestre y el uso de ciencia ciudadana como herramienta para el monitoreo de fauna silvestre atropellada en Costa Rica
(Universidad Nacional (Costa Rica). Instituto Internacional en Conservación y Manejo de Vida Silvestre, 2017)Evalua el riesgo de las carreteras nacionales para la fauna silvestre y el uso de ciencia ciudadana como herramienta para el monitoreo de fauna silvestre atropellada en Costa Rica. A partir de ahí se desarrolló y evaluó ... -
Evaluation of Three Methods to Estimate Density and Detectability From Roadside Point Counts
(Universidad Nacional, Costa Rica., 2011)Roadside point counts are often used to estimate trends of bird populations. The use of aural counts of birds without adjustment for detection probability, however, can lead to incorrect population trend estimates. We ... -
Exploitation of white-lipped peccaries Tayassu pecari (Artiodactyla: Tayassuidae) on the Osa Peninsula, Costa Rica
(Universidad Nacional, Costa Rica., 2002)We studied movements of white-lipped peccaries (Tayassu pecari, Artiodactyla, Tayassuidae) throughout the Osa Peninsula and their use by local people during 1997-2000, using interview techniques. We draw five main conclusions: ... -
Exploitation of white-lipped peccaries Tayassu pecari (Artiodactyla: Tayassuidae) on the Osa Peninsula, Costa Rica
(Universidad Nacional, Costa Rica., 2002)We studied movements of white-lipped peccaries (Tayassu pecari, Artiodactyla, Tayassuidae) throughout the Osa Peninsula and their use by local people during 1997-2000, using interview techniques. We draw five main conclusions: ... -
External parasites of raptors (Falconiformes and Strigiformes): identification in an ex situ population from Mexico
(Universidad Nacional, Costa Rica., 2011)Raptorial birds harbor a variety of ectoparasites and the mayority of them are host specific. The aim of this study was to identify the ectoparasites of captive birds of prey from Mexico, as well as to verify their impact ... -
Extraction of hermit crabs from their shells by white-faced capuchin monkeys (Cebus capucinus)
(Primates, 2016-09-28)We observed two capuchin monkeys (Cebus capucinus) feeding on hermit crabs (Coenobita compressus) on the coast, and the tactics they used to extract this well-protected prey. The observations took place during the dry ... -
Factors affecting Jaguar and Puma predation on livestock in Costa Rica
(Wildlife Biology in Practice, 2016-06)Throughout their range, wild felids in the Americas prey on livestock and this sometimes leads to retaliatory killing. Recently, conservation and research programs focused on such conflicts have recommended mitigation and ... -
Factors influencing the occurrence of the Endangered Baird's tapir Tapirus bairdii: Potential flagship species for a Costa Rican biological corridor
(ORYX, 2014)Baird’s tapir Tapirus bairdii is categorized as Endangered on the IUCN Red List and is considered rare and locally extirpated from most of its historic range in Costa Rica. We conducted camera-trap and track surveys at ... -
First nest record of the Bare-shanked screech-owl (Otus clarkii)
(Universidad Nacional, Costa Rica., 1997)Reportamos el primer registro de anidación de la Lechucita Serranera (Otus clarkii), encontrado en las tierras altas de Costa Rica. El nido se localizó en un árbol de encino (Quercus copeyensis) a una altura de 3.3m en una ... -
Food niche overlap among neotropical frugivorous bats in Costa Rica
(Universidad Nacional, Costa Rica., 2006)Food habits of 15 species of frugivorous bats were studied at La Selva Biological Station, Costa Rica. Eight hundred and fifty-four (854) fecal samples and 169 samples from fruit parts and seeds discarded by bats beneath ... -
Forest structure and territory size relationship in the neotropical understorey insectivore Henicorhina leucosticta
(Universidad Nacional, Costa Rica., 2010)The neotropical terrestrial insectivore Henicorhina leucosticta (Troglodytidae) maintains long-term territories through vocalizations and forages among leaf litter trapped in the understorey vegetation and ground litter. ... -
Frecuencia de lesiones ocupacionales
(2013-08-22)Trabajo saludable es un derecho humano. Trabajo saludable también es la base para una economía sana y sostenible. Condiciones de trabajo insalubres y peligrosas causan lesiones y enfermedades en los trabajadores que pueden ... -
Genetic patterns and conservation of the Scarlet Macaw (Ara macao) in Costa Rica
(Springer, 2015)Once widely distributed throughout the lowland forests of Costa Rica, scarlet macaws (Ara macao) have been reduced to two major, geographically separated, pop ulations along the Pacific slope. Past demographic declines ... -
Growth of Mantled Howler Groups in a Regenerating Costa Rican Dry Forest
(Universidad Nacional, Costa Rica., 1998)We examined population dynamics in mantled howlers (Alouatta palliata palliata) in a regenerating tropical dry forest in Santa Rosa National Park (SRNP), Costa Rica. The population has grown at a rate of about 7% per annum ... -
Habitat features influencing jaguar Panthera onca (Carnivora: Felidae) occupancy in Tortuguero National Park, Costa Rica
(Universidad Nacional, Costa Rica., 2014)Habitat characteristics and human activities are known to play a major role in the occupancy of jag uars Panthera onca across their range, however the key variables influencing jaguar distribution in Tortuguero National ... -
Habitat features influencing jaguar Panthera onca (Carnivora: Felidae) occupancy in Tortuguero national park, Costa Rica
(Revista de Biologia Tropical, 2014-08-13)Habitat characteristics and human activities are known to play a major role in the occupancy of jaguars Panthera onca across their range, however the key variables influencing jaguar distribution in Tortuguero National ... -
Heavy poaching in prime habitat: the conservation status of the West Indian manatee in Nicaragua
(Universidad Nacional, Costa Rica., 2002)This study provides an overview of the conservation status of the West Indian manatee Trichechus manatus in Nicaragua, including data on habitat availability, manatee distribution and relative abundance, and current threats. ... -
Herpetofauna atropellada en la Carretera Interamericana Norte, Guanacaste, Costa Rica. : influencia de los atributos del paisaje en las muertes y medidas para su mitigación
(Universidad Nacional (Costa Rica). Instituto Internacional en Conservación y Manejo de Vida Silvestre. Maestría en Conservación y Manejo de Vida Silvestre, 2018)Determina la influencia de la Carretera Interamericana Norte en la mortalidad de herpetofauna de un sector del Área de Conservación Guanacaste. Se utilizan los anfibios y reptiles como objeto de muestreo, porque poseen una ... -
Highly diversified coronaviruses in neotropical bats
(Journal of General Virology, 2013-09-01)Bats host a broad diversity of coronaviruses (CoVs), including close relatives of human pathogens. There is only limited data on neotropical bat CoVs. We analysed faecal, blood and intestine specimens from 1562 bats sampled ...