Browsing Artículo Científico by Title
Now showing items 67-86 of 97
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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 ... -
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 ... -
Influence of human activities on some medium and large-sized mammals’ richness and abundance in the Lacandon Rainforest
(Journal for Nature Conservation, 2016-12)We evaluated the influence of six human activities (related variables) on the richness and abundance of large and medium-sized mammals in the southern portion of the Lacandon Rainforest, including protected and non-protected ... -
Influence of sea turtle nesting on hunting behavior and movements of jaguars in the dry forest of northwest Costa Rica
(Blackwell Publishing Ltd, 2020-11)Jaguars (Panthera onca) are opportunistic predators that prey on large profitable prey items, such as sea turtles at nesting beaches. Here, we use jaguar and sea turtle trackcount surveys, combined with satellite telemetry ... -
Integrating occupancy modeling and camera-trap data to estimate medium and large mammal detection and richness in a Central American biological corridor
(Tropical Conservation Science, 2013-12-01)Noninvasive camera-traps are commonly used to survey mammal communities in the Neotropics. This study used camera-traps to survey medium and large mammal diversity in the San Juan - La Selva Biological Corridor, Costa Rica. ... -
Inter-trophic food provisioning between sea and land: The jaguar (panthera onca) as provider of sea turtle carcasses to terrestrial scavengers
(International Journal of Conservation Science, 2017-07-10)A more complete perspective of carrion use by terrestrial vertebrates and about the role of predators in net carrion supply will improve our understanding of critical ecological processes, particularly those associated ... -
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, ... -
Investigación para la toma de decisiones de manejo en áreas marinas protegidas como la Isla del Coco, Costa Rica
(Universidad de Costa Rica, Costa Rica, 2020-03-20)Introduction. Scientific information is often needed to guide management decisions, but marine protected areas usually lack such information. Further, these protected areas face the challenge of protecting ... -
Jaguar and puma attacks on livestock in Costa Rica
(Human-Wildlife Interactions, 2013)Human-felid conflicts threaten long-term conservation of jaguars (Panthera onca) and pumas (Puma concolor). We interviewed ranchers from 50 ranches and inspected farms in northern Costa Rica that reported recent attacks ... -
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
(Mammalian Biology, 2015-03)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 ... -
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 ... -
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 ... -
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 ... -
Modelos de biomasa y carbono para árboles de Gmelina arborea en plantaciones clonales
(Universidad Nacional, Costa Rica, 2021-01-01)La evaluación de la biomasa y el desarrollo de modelos es un elemento clave para determinar el potencial de mitigación del cambio climático de los ecosistemas forestales. Los bosques plantados año tras año ... -
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, ... -
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 ... -
Olive ridley mass nesting ecology and egg harvest at ostional beach, Costa Rica
(Chelonian Conservation and Biology, 2012-06)The olive ridley sea turtle (Lepidochelys olivacea), a species listed by the International Union for Conservation of Nature as vulnerable, is characterized by its mass-nesting behavior, also known as arribada. For decades, ... -
Population status of terrestrial mammals’ in two protected areas in the west central region of Costa Rica [Estado poblacional de mamíferos terrestres en dos áreas protegidas de la región central occidental de Costa Rica]
(Revista de Biología Tropical, 2017-11-16)In the West Central Region of Costa Rica, there are plenty of forests under public and private protection; however, they are increasingly exposed to fragmentation. This is the first report about species richness and the ... -
Population status, connectivity, and conservation action for the endangered Baird's tapir
(Elsevier Ltd, 2020-05)Although many large mammals currently face significant threats that could lead to their extinction, resources for conservation are often scarce, resulting in the need to develop efficient plans to prioritize conservation ... -
Precipitous decline of white-lipped peccary populations in Mesoamerica
(Elsevier Ltd, 2020-02)Large mammalian herbivores are experiencing population reductions and range declines. However, we lack regional knowledge of population status for many herbivores, particularly in developing countries. Addressing this ...