Results 11 to 20 of about 157 (112)
Hypopigmentation in mantled howler monkeys Alouatta palliata (gray 1849): First documented cases of whole-body leucism in South America. [PDF]
Hypopigmentation in vertebrates is the result of genetic impoverishment and it is associated with isolated populations and environmental stressors. In mantled howler monkeys Alouatta palliata (Gray 1849) there are records of hypopigmentation in Mexico and Costa Rica but this is the first documented record of whole‐body leucism in South America in a ...
Barros-Diaz C +6 more
europepmc +2 more sources
Tamaño poblacional, uso del hábitat y relaciones interespecíficas de agalychnis spurrelli (anura: hylidae) en un bosque húmedo tropical remanente del noroccidente de Ecuador [PDF]
Entre los años 2006 y 2007, en un pequeño humedal de la localidad de San Francisco del Cabo al noroccidente de Ecuador, monitoreamos mensualmente una población de la rana arborícola Agalychnis spurrelli. Nuestros objetivos fueron: (1) determinar el tamaño poblacional y las fluctuaciones anuales de la población, (2) evaluar la distribución espacial el ...
Ortega-Andrade, H. Mauricio +2 more
openaire +6 more sources
Los bosques secos del sur del Ecuador son ecosistemas que albergan alta diversidad de flora y fauna, pero a la vez muy frágiles y presionados por las actividades antrópicas que alteran su estructura, diversidad y dinámica. Con el propósito de generar información sobre un remanente de bosque seco de la Estación Experimental Zapotepamba se evaluó la ...
Aguirre Mendoza, Zhofre Huberto +3 more
openaire +2 more sources
Este artículo evalúa la composición, diversidad taxonómica y diversidad funcional de comunidades de macroinvertebrados acuáticos en cuerpos de agua de la Ecoreserva La Tribuna, un remanente de bosque seco tropical impactado por la expansión de la frontera agropecuaria y la contaminación por hidrocarburos.
Jose Alejandro Cuéllar-Cardozo
openaire +3 more sources
In a megadiverse country like Ecuador, botanical photography stands out as a successful tool for multidisciplinary work between artists and scientists. The objective of this research was to establish procedures and photographic databases of Ecuadorian flora for free artistic expression through digital botanical illustrations. A production of 110 images
Jaime Naranjo-Moran +3 more
openaire +2 more sources
Basic diversity studies of small non-volant mammals are scarce in western Ecuador, evidencing a knowledge gap regarding the mammalian fauna in the region. These organisms play key roles in important ecological processes and may be affected by several anthropogenic factors.
Ronald Bravo-Salinas +3 more
openaire +1 more source
Lepidópteros de la “Quebrada El Sauce”, Chimbarongo (Colchagua), Chile. Parte II: Oecophoridae.
Se entrega una lista de especies de la familia Oecophoridae recolectadas entre 2011 y 2023, en un remanente de bosque esclerófilo ubicado en la comuna de Chimbarongo, Provincia de Colchagua, Región del Libertador General Bernardo O’Higgins, Chile.
Guillermo Valenzuela +1 more
doaj +1 more source
Siendo Colombia un país mega-diverso, sus especies nativas han sido poco exploradas, como fuente alterna de compuestos bioactivos, que ayuden a mitigar problemáticas causadas por productos sintéticos.
Juan José ORTIZ LOPEZ +1 more
openaire +1 more source
Cavity‐nesting birds are limited by nesting habitat in Neotropical agricultural landscapes
Although cavity‐nesting bird diversity is highest in the tropics, little is known about how tropical birds use cavities, how agriculture affects their reproductive biology, and how effective nest boxes could be as a conservation strategy in tropical agriculture.
Alison Ke +6 more
wiley +1 more source
Native palms and trees mediate drought impacts on dry neotropical pastures
Abstract Dry forests are the most threatened biome across the global tropics. Despite their massive conversion into agricultural landscapes, local farmers often retain disperse trees and palms within grazing pastures. Understanding how on‐farm tree cover in the dry neotropics impacts the environmental and productive functions of pastures is key for ...
Ivan Raniero Hernández‐Salmerón +4 more
wiley +1 more source

