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Evaluación del crecimiento y mortalidad de almácigo de café producido en tubetes en tres diferentes sustratos en Sabanilla de Alajuela
(Universidad Nacional, Costa Rica, 2016)
En Costa Rica la producción de almácigo de café tradicionalmente se realiza en bolsas de polietileno o bien bajo el sistema de siembra directa al suelo y su posterior poda de raíz. El alto costo y la caida de los precios ...
Distribution, diet, and vocalizations of the engangered colombian toad Osornophryne Percrssa (Anura, Bufonidae)
(Universidad Nacional, Costa Rica., 2015)
Herein, we describe the distribution, call, diet, and niche model of Osornophryne percrassa. This species has
been recorded at 23 locations of Colombia, 14 of which are reported in this work. In addition, we reported the ...
Abundance, habitat and body measurements of the rare Long-clawed Mouse (Pearsonomys annectens) in the coastal temperate rainforest of southern Chile
(Studies on Neotropical Fauna and Environment, 2012)
Based on rodent trappings in eight localities from 1998 to 2005 (14,984 trap-nights), we provide detailed information on abundance, habitat and additional body measurements of the Long-clawed Mouse (Pearsonomys annectens), ...
Temporal and spatial resource use by female three-toed sloths and their young in an agricultural landscape in Costa Rica
(Revista de Biologia Tropical, 2011-12)
The information on ecological behavior of wild sloths is very scarce. In this study we determined the
home ranges and resources used by three adult female three-toed sloths (Bradypus variegatus) and their four
young in ...
Costa Rica y el sistema del Tratado Antártico
(Universidad Nacional, Costa Rica, 2018)
En este trabajo se presentan los antecedentes históricos, geográficos, científicos y políticos que llevaron a la firma del Tratado Antártico (TA), en diciembre de 1959 y de las posteriores convenciones internacionales y ...
Comparación de la Metodología Mora-Vahrson y el Método Morfométrico para Determinar Áreas Susceptibles a Deslizamientos en la Microcuenca del Río Macho, Costa Rica
(Universidad Nacional, Costa Rica, 2018)
Se analizan las metodologías Mora-Vahrson (1994) y el método morfométrico para estudiar sus fortalezas y debilidades en la determinación de zonas susceptibles a deslizamientos. Se explican las metodologías, y posteriormente, ...
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, ...
Consensus on Criteria for Potential Areas for Wolf Reintroduction in Mexico
(Conservation Biology, 2012-07-19)
Given the conflict with human interests that in many cases results in the extirpation of large carnivores, acceptance of their reintroduction is a considerable challenge. By the 1980s Mexican wolves (Canis lupus) were ...
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 ...
Detecting river otter Lontra canadensis latrines near bridges: Does habitat and season influence survey success?
(Wildlife Biology, 2012-09)
During 2006, we conducted riparian surveys to detect river otter Lontra canadensis latrines at 15 bridge-suites along riverine habitats in southwestern Pennsylvania and western Maryland, USA. We defined a bridge-suite as ...