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Now showing items 1091-1100 of 1103
Attempts to culture the parasitic stage of Dermatobia hominis (L. Jr.) in vitro (Diptera: Cuterebridae)
(Universidad Nacional, Costa Rica, 2002)
A nationwide survey in Costa Rica, using Kellert's conceptual framework (Kellert, S.R. 1996. The Value of Life. Washington D.C., Island Press), revealed at least five attitude dimensions toward animals. Overall, Costa Rican ...
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 ...
Highly diversified coronaviruses in neotropical bats
(Journal of General Virology, 2013-09-01)
Bats host a broad diversity of coronaviruses (CoVs), including close relatives of human pathogens. There is only limited data on neotropical bat CoVs. We analysed faecal, blood and intestine specimens from 1562 bats sampled ...
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 ...
A new ring nematode, Xenocriconemella costaricense sp. nov., (Nematoda: Criconematidae) from Costa Rica
(Universidad Nacional, Costa Rica, 2024-04-20)
During nematode surveys of natural vegetation in forests of La Cima de Copey de Dota, San José,
San José province, Costa Rica, a Xenocriconemella species closely resembling X. macrodora and
related species was found. ...
Geología de la parte nororiental de Bahía Ballena (Golfo de Nicoya) -Pochote- Cantón de Paquera- Provincia de Puntarenas Costa Rica
(Universidad Nacional, Costa Rica, 1983)
El área de estudio representa el núcleo de un homoclinical de carácter regional, con eje rumbi W-NW. En dicho núcleo aflora el Complejo de Nicoya, en el cual se han diferenciado siete subunidades informales. Las subunidades ...
Red sismográfica y el programa de reducción de riesgos en Costa Rica
(Universidad Nacional, Costa Rica, 1984)
Estudios realizados en 1981 indicaban un alto riesgo para la ocurrencia de eventos sísmicos importantes en Costa Rica. Durante 1983 ocurrieron dos terremotos de importante magnitud que ayudaron a corroborar la necesidad ...
Efecto de tres bacterias promotoras del crecimiento vegetal sobre el nematodo agallador (Meloidogyne sp.) y variables agronómicas en el cultivo de chile (Capsicum annum L.) con fertilización convencional y orgánico en condiciones de invernadero en Barva, Heredia
(Universidad Nacional, Costa Rica, 2023-07)
El objetivo de este estudio fue evaluar el efecto de tres bacterias promotoras del crecimiento vegetal; Bacillus amyloliquefaciens, Pseudomonas fluorescens y Streptomyces griseoviridis y dos tipos de fertilización; química ...