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Mostrando ítems 1021-1030 de 1643
Myxomycete assemblage turnover across a moisture and elevation gradient in Costa Rica
(2021-07-13)
The formation of sporocarps in myxomycetes depends on environmental characteristics, among which, moisture and temperature seem to be relevant in tropical areas. Since temperature is linked to elevation, the effect of both ...
Effect of urbanization on the avifauna in a tropica metropolitan area
(2011)
The rapid and unplanned expansion of urban areas is a common pattern in neotropical developing countries. Urbanization has eliminated or drastically altered large areas of natural habitats used by the rich neotropical ...
Plants and butterflies of a small urban preserve in the Central Valley of Costa Rica
(2009)
Costa Rica’s most populated area, the Central Valley, has lost much of its natural habitat, and the little
that remains has been altered to varying degrees. Yet few studies have been conducted to assess the need for ...
Neuropsychological Test Performance in Cognitively Normal Spanish-speaking Nonagenarians with Little Education
(2016-06)
To find associations of age, sex, and education with neuropsychological test performance in cognitively normal Spanish-speaking Costa Rican nonagenarians with little education; to provide norms; and to compare their ...
Genotyping-By-Sequencing diversity analysis of international Vanilla collections uncovers hidden diversity and enables plant improvement
(2021)
Genomics-based diversity analysis of natural vanilla populations is important in order to guide conservation efforts and genetic improvement through plant breeding. Vanilla is a cultivated, undomesticated spice that ...
Highly diverse fungal communities in carbon-rich aquifers of two contrasting lakes in Northeast Germany
(2019-10)
Fungi are an important component of microbial communities and are well known for their ability to decompose refractory, highly polymeric organic matter. In soils and aquatic systems, fungi play an important role in carbon ...
Recircumscription of Pityphyllum (Orchidaceae: Maxillariinae)
(2006-03)
Based upon morphological and molecular evidence, Maxillaria huancabambae (Kraenzl.) C. Schweinf. and M. saragurensis Dodson are transferred to Pityphyllum Schltr. These and other species of Pityphyllum are illustrated with ...
Aberración de plumaje canoso progresivo en el Pinzón de la Isla del Coco (Pinaroloxias inornata) en el Parque Nacional Isla del Coco, Costa Rica.
Progressive greying plumage aberration in the Cocos Finch (Pinaroloxias inornata) in Cocos Island National Park, Costa Rica.
(2023-07)
Las aberraciones de plumaje en aves silvestres son un fenómeno común, y en Costa Rica se han documentado en varias familias, aunque la información todavía es limitada en sitios remotos como la Isla del Coco, así como en ...
Hagfishes of Mexico and Central America: Annotated catalog and identification key
(2016)
This catalogue contains revised and updated taxonomic and distributional information about hagfishes of Mexico and Central America (Pacific and Caribbean coasts). It includes all nominal species of the family Myxinidae ...
Reproducción, uso de habitat e historia natural del Capulinero negro y amarillo (Phainoptila melanoxantha), una especie endémica de las tierras altas de Costa Rica y oeste de Panamá.
REPRODUCTION, HABITAT USE, AND NATURAL HISTORY OF THE BLACK-AND-YELLOW SILKY-FLYCATCHER (PHAINOPTILA MELANOXANTHA), AN ENDEMIC BIRD OF THE WESTERN PANAMA-COSTA RICAN HIGHLANDS
(2002)
Estudiamos la abundancia relativa, distribución geográfica, dieta y reproducción del Capulinero negro y amarillo (Phainoptila melanoxantha), una especie endémica a las tierras altas de Costa Rica y oeste de Panamá. A lo ...