Instituto Internacional en Conservación y Manejo de Vida Silvestre: Recent submissions
Now showing items 1-20 of 135
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Observations on the role of frugivorous bats as seed dispersers in Costa Rican secondary humid forests
(BioOne Digital Library, 2004)The role of frugivorous bats as seed dispersers in humid neotropical tropical forests was evaluated between January and August 1995. Thirty germination trials were set up using seeds defecated by six bat species. Seeds of ... -
Demographic survey of black howler monkey (Alouatta pigra) in the Lachuá Eco-region in Alta Verapaz, Guatemala
(Wiley-Liss, Inc., 2008-03)Guatemala alberga tres especies de primates (Alouatta palliata, Alouatta pigra y Ateles geoffroyi), pero la distribución y el estado de conservación de las poblaciones de estas especies están poco documentados. En el caso ... -
Occupancy and probability of detection of the introduced population of Eleutherodactylus coqui in Turrialba, Costa Rica
(Firenze University Press, 2022-07-28)The Puerto Rican Common coqui frog (Eleutherodactylus coqui) has a long history as an invasive species in places such as Hawaii. Since its introduction in Costa Rica, scarce information is available to understand why and ... -
Vulnerabilidad de las redes de polinización planta-colibrí a la pérdida de especies endémicas y especialistas, en un gradiente altitudinal en la cordillera de Talamanca en Costa Rica.
(Universidad Nacional (Costa Rica), 2023)Para abordar de manera efectiva la creciente pérdida de biodiversidad, es fundamental identificar las especies más sensibles a las perturbaciones pero también evaluar la vulnerabilidad de sus interacciones. Esta investigación ... -
Soundscape structure in forests surrounded by protected and productive areas in central Costa Rica
(Universidad Nacional, Costa Rica, 2023-03-09)Ecosystems are under a multitude of pressures, including land-use change, overexploitation, pollution, and climate change. Most studies, resources, and conservation efforts are allocated to protected areas, while anthropogenic ... -
Neotropical dry forest wildlife water hole use and management
(Universidad Nacional, Costa Rica., 1999)Selected wildlife species diurnal use of a natural water hole (QO) and an artificial water hole (AW) were studied during 1990 dry season at Guanacaste Conservation Area, Costa Rica. In total, 919 individuals (six marnmal ... -
Movements and activities of white-lipped peccaries in Corcovado National Park, Costa Rica
(Universidad Nacional, Costa Rica., 2002)The conservation of remnant populations of white-lipped peccaries in Central America depends on adequate documentation of their habitat needs and behavior. Thus, we monitored the activity patterns, local distributions, ... -
Long-term comparison of the fish community in a Costa Rican rocky shore marine reserve
(Universidad Nacional, Costa Rica., 2010)Despite their role in supporting diverse marine fish communities, tropical rocky shores and reefs have attracted less research and fewer targeted conservation efforts compared to coral reefs. We studied fish community ... -
Late dry season habitat use of common opossum, Didelphis marsupialis (Marsupialia: Didelphidae) in neotropical lower montane agricultural areas
(Universidad Nacional, Costa Rica., 1999)Three Didelphis marsupialis were radio tracked during late dry season (23 February-26 April, 1983) in agricultural area at 1500 m elevation in Central Valley, Costa Rica. All animals were nocturnally active, significantly ... -
Jaguars (Panthera onca) increase kill utilization rates and share prey in response to seasonal fluctuations in nesting green turtle (Chelonia mydas mydas) abundance in Tortuguero National Park, Costa Rica
(Universidad Nacional, Costa Rica., 2015)Jaguar (Panthera onca) predation of green turtles (Chelonia mydas mydas) is now a common occurrence in Tortuguero National Park, Costa Rica. The abundance of green turtles during nesting season ensures a constant provision ... -
Interbirth interval of a free-ranging jaguar
(Universidad Nacional, Costa Rica., 2009)The 60-kg adult female jaguar was first captured on 25 February 1996 in a box trap baited with shark meat. We monitored her for the next three and a half years, usually locating her by triangulation once or twice a week, ... -
Cetáceos de las aguas costeras del Pacífico norte y sur de Costa Rica
(Universidad Nacional, Costa Rica., 2010)Cetáceos costeros del Pacífico Norte y Sur de Costa Rica. Veintinueve especies de cetáceos ocurren en aguas costarricenses pero sólo se han realizado investigaciones extensivas para tres especies. Esto último demuestra que ... -
Impacto de la luz artificial sobre la anidación de la tortuga marina Dermochelys coriacea (Testudines: Dermochelyidae), en playa Cipara, Venezuela
(Universidad Nacional, Costa Rica., 2009)Se comparó el número de nidos de tortuga laúd y su distribución espacial entre años con y sin luz artificial, y entre segmentos de playa oscuros e iluminados, en Playa Cipara, Península de Paria, Venezuela. Se entrevistó ... -
Immobilization of free-ranging Hoffmann´s two-toed and brown-throated three-toed sloths using ketamine and medetomidine: a comparasion of physiologic parameters
(Universidad Nacional, Costa Rica., 2008)Free-ranging Hoffmann’s two-toed sloths (Choloepus hoffmanni; n526) and brown throated three-toed sloths (Bradypus variegatus; n515) were manually captured and immobilized with 2.5 mg/kg ketamine + 0.02 mg/kg medetomidine ... -
Ámbito de acción, uso del hábitat y actividad diaria de la taltuza Orthogeomys heterodus (Rodentia: Geomyidae) en una zona hortícola de Costa Rica.
(Universidad Nacional, Costa Rica., 1994)Home range, daily activity and habitat use of four Giant Pocket Gophers Orthogeomys heterodus were detennined by radiotelemetry. The study was carried out in a horticultural area of Cartago province, Costa Rica, during ... -
Home Range, Habitat Use, and Activity of Baird’s Tapir in Costa Rica
(Universidad Nacional, Costa Rica., 2002)Home range size, habitat utilization, and activity patterns of five adult Baird’s tapirs (Tapirus bairdii) were studied via radiotelemetry from June 1995 to May 1996 in Corcovado National Park, Costa Rica. Estimates of ... -
Home range and activity pattems of Conepatus semistriatus (Carnivora, Mephitidae) in Emas National Park, Brazil
(Universidad Nacional, Costa Rica., 2014)The home range, habitat use, and distance from water sources were estimated for Basiliscus plumifrons in an agricultural matrix in Costa Rica. Using radio telemetry, four females and four males were studied from July-September ... -
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. ... -
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 ... -
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 ...