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A comparison of fruit removal in Ficus colubrinae between birds and Ectophylla alba (Chiroptera: Phyllostomidae) in a Costa Rican rain forest
(Taylor and Francis Ltd., 2021-02-02)Ectophylla alba almost exclusively feeds on the fruits of Ficus colubrinae therefore significantly contributing to dispersal of its seeds. The objective of this research was to quantify the fruit removal of F. colubrinae ... -
A new nesting record for the jabiru in Costa Rica
(Universidad Nacional, Costa Rica, 1988)I document the first nesting record of the jabiru (Jabiru mycteria) in "Los Guatuzos" forest floodplain, Alajuela province, Costa Rica. The active nest was located in March 1995 at 10°49'23.70"N and 84°47'23.2"W. The nest ... -
A Sensitivity Analysis of the Application of Integrated Species Distribution Models to Mobile Species: A Case Study with the Endangered Baird's Tapir
(Cambridge University Press, 2019-04-21)Species distribution models (SDMs) are statistical tools used to develop continuous predictions of species occurrence. 'Integrated SDMs' (ISDMs) are an elaboration of this approach with potential advantages that allow for ... -
Abundance, size and population structure of whitetip reef sharks, Triaenodon obesus (Carcharhiniformes: Carcharhinidae), in Bahia Chatham, Parque Nacional Isla del Coco, Costa Rica.
(Universidad Nacional, Costa Rica, 2012)Approximately 12 species of shark inhabit at Coco Island National Park (PNIC); some are migratory, such as the hammerhead shark (Sphyrna lewini) and whale shark (Rincodon typus), and others are resident, like the whitetip ... -
Abundancia del jaguar (Panthera onca), otros felinos y sus presas potenciales en el Parque Nacional Santa Rosa, Costa Rica / Abundance of jaguars (Panthera onca), other felids and their potential prey in Santa Rosa National Park, Costa Rica
(Universidad Nacional, Costa Rica, 2015)Abundance of jaguars (Panthera onca), other felids and their potential prey in Santa Rosa National Park, Costa Rica. Santa Rosa National Park, Guanacaste Province, protects one of the largest rem-nants of ... -
Adaptación de indicadores de turismo sostenible: implementación en Chiapas, México
(Universidad de Costa Rica, Costa Rica, 2020-09-25)Este estudio adapta y propone una serie de indicadores de turismo sostenible, así como un índice de sostenibilidad turística. Se aplicaron indicadores cuantitativos y cualitativos en un centro turístico de Chiapas, ... -
Agentes infecciosos en el zorro cangrejero (cerdocyon thous) en las áreas protegidas urbanas del Valle de Aburrá, Colombia
(Universidad Nacional, Costa Rica, 2021)La detección de agentes infecciosos en animales de fauna silvestre en entornos urbanos es fundamental para su conservación y manejo. Dependiendo del tipo de agente infeccioso que los afecte, las implicaciones son relevantes ... -
Agroforestry systems conserve species-rich but modified assemblages of tropical birds and bats
(Universidad Nacional, Costa Rica, 2007-05-31)Although an increasing number of studies have shown that diverse, multi-strata agroforestry systems can contribute to the conservation of tropical biodiversity, there is still debate about how the biodiversity within ... -
Ambito de hogar y utilización de hábitat de dos grupos de venados Cola Blanca Odocoileus virginianus (Artiodactyla: Cervidae) reubicados en un ambiente tropical
(Universidad Nacional, Costa Rica, 1998)Eight white-tailed deer were released in La Emilia farm, Guanacaste, Costa Rica, during November 1987 and March 1988. Four females were from an insular population (San Lucas Island, ISL) and had been raised in captivity ... -
Analysis of the Interactions Between Humans and Crocodiles in Costa Rica
(Sociedade Brasileira de Herpetologia, 2020)The habitat of crocodiles (Crocodylus acutus) and caimans (Caiman crocodilus) has been subjected to pressure due to human expansion. Habitat reduction, coupled with the simultaneous growth of the crocodile population, ... -
Attitudes and interactions of indigenous and non-indigenous people with wildlife in the northern Talamanca mountains of Costa Rica
(University of Massachusetts Amherst, 2021-09)In this study I investigated wildlife and human use of landscapes in the northern Talamanca Mountains of Costa Rica (Pacuare-Barbilla sector), including three contiguous protected areas (a national park, a forest reserve, ... -
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 ... -
Bush Dogs in Central America: Recent Range Expansion, Cryptic Distribution, or Both?
(SAGE Publications Inc., 2019-05-01)Bush dogs (Speothos venaticus) are a small, wide-ranging neotropical pack-hunting canid whose ecology is relatively poorly known. Here, we document new, repeated observations of bush dog groups in east-central (Barbilla ... -
Camera trapping ocelots: An evaluation of felid attractants
(Hystrix, 2014)Ocelots (Leopardus pardalis) and other wild cats are often surveyed using camera traps to identify individuals for density estimation via capture-recapture analyses or estimate occupancy via detection/non-detection analyses. ... -
Camera trapping ocelots: An evaluation of felid attractants
(Universidad Nacional, Costa Rica, 2014)Ocelots (Leopardus pardalis) and other wild cats are often surveyed using camera traps to identify individuals for density estimation via capture-recapture analyses or estimate occupancy via detection/non-detection ... -
El cerdo cimarrón (Sus scrofa, Suidae) en la Isla del Coco, Costa Rica: Composición de su dieta, estado reproductivo y genética
(Universidad Nacional, Costa Rica., 2001)Feral pigs (Sus scrofa) cause different kinds of damage specially on oceanic islands. Pigs were introduced at Cocos Island, Costa Rica, during 1793 and bred successfully. I analised feral pigs diet, reproductive state, ... -
El cerdo cimarrón (Sus scrofa, Suidae) en la Isla del Coco, Costa Rica: Escarbaduras, alteraciones al suelo y erosión
(Universidad Nacional, Costa Rica., 2001)Feral pigs (Sus scrofa) are of the most damaging exotic vertebrates, specially on oceanic island nativecommunities. Feral pigs inhabit Cocos Island since 1793 and there are around 400-500 individuals. In order toquantify ... -
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 ... -
Composition and diversity of butterflies (Lepidoptera, Papilionoidea) along an atmospheric pollution gradient in the Monterrey Metropolitan Area, Mexico
(Pensoft Publishers, 2021)This study compares the variation of richness, abundance and diversity of butterfly species along an atmospheric pollution gradient and during different seasons in the Monterrey Metropolitan Area, Mexico. Likewise, we ... -
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 ...