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Now showing items 81-90 of 133
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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. ...