Buscar
Mostrando ítems 521-530 de 792
Variación mensual y anual de la riqueza y abundancia de aves en un mosaico agrícola periurbano tropical
Annual and monthly variation on bird species richness and abundance inside a tropical semiurban agricultural landscape
(2019)
Species richness inside agricultural landscape has been studied intensively and according to the type of landscape structure. However, the species phenology inside the mostly agricultural landscape is poorly understood. ...
Urbanization has opposite effects on the territory size of two passerine birds
(2020-04-28)
Background: Urban expansion has been identified as one of the leading drivers of biodiversity change or loss. For birds, urbanization is specifically related to survival, breeding success, and territory size. Understanding ...
En busca de Karl Hoffmann
(2006)
Se comenta y analiza el libro biográfico escrito por Luko Hilje "Karl Hoffmann: naturalista, médico y héroe nacional" (Heredia, Costa Rica: INBio, 2006).
Algunos Detalles Ultraestructurales de la Morfología Externa del Adulto y la Deutoninfa de Allonothrus neotropicus1 en Costa Rica
Some Ultrastructural Details of the External Morphology of the Adult and Deutonymph of Allonothrus neotropicus1 in Costa Rica
(2017-09)
Se analiza la ultraestructura de Allonothrus neotropicus con ejemplares
recolectados en hojarasca de suelo de la región Caribe de Costa Rica. Los
caracteres que definen esta especies son: 1) seta e1 el doble de larga que ...
Nest design and parental care of Striped Woodhaunter Automolus subulatus
(2020)
The western and trans-Andean populations of Striped Woodhaunter Automolus subulatus are sometimes considered separate species. We discuss previously published data on the nesting of Striped Woodhaunter and present novel ...
Fungal communities in feces of the frugivorous bat Ectophylla alba and its highly specialized Ficus colubrinae diet
(2022)
Background: Bats are important long-distance dispersers of many tropical plants, yet, by consuming fruits, they may
disperse not only the plant’s seeds, but also the mycobiota within those fruits. We characterized the ...
Dual Function of Chip Calls Depending on Changing Call Rate Related to Risk Level in Territorial Pairs of White-Eared Ground-Sparrows
(2017-03)
Different mechanisms have been proposed for encoding information into vocalizations: variation of frequency or temporal characteristics, variation in the rate of vocalization production, and use of different vocalization ...
Three new species of Monstera (Araceae: Monsteroideae: Monstereae) from the Cordillera de Talamanca in Costa Rica, threatened by the expansion of coffee plantations
(2020)
Monstera alfaroi Croat & M. Cedeño, M. tarrazuensis Croat & M. Cedeño and M. wilsoniensis M. Cedeño & Grayum, all apparently endemic to central and southern Costa Rica at middle elevations on the Pacific slope, are described ...