全部 标题 作者
关键词 摘要

El hornero  2009 

Censos de aves acuáticas en sus colonias reproductivas en lagunas del sudeste de la provincia de Buenos Aires

Keywords: egrets, gulls, habitat selection, herons, ibises, reproduction, wetlands.

Full-Text   Cite this paper   Add to My Lib

Abstract:

buenos aires province is one of the most disturbed regions of argentina due to human activities, yet has continental lagoons representing complex habitats which host abundant and diverse waterbirds, especially during the breeding season. our primary objective was to identify and survey breeding colonies of waterbirds in three continental lagoons of southeastearn buenos aires province, determining abundance, breeding phenology, and habitat selection of waterbirds. we identified four breeding colonies: one monospecific colony of cattle egret (bubulcus ibis), and three mixed-species colonies of brown-hooded gull (larus maculipennis) and grey-headed gull (larus cirrocephalus), cattle egret and white-faced ibis (plegadis chihi), and cocoi heron (ardea cocoi) and great white egret (egretta alba). los padres lagoon had the greatest species richness and most of the breeding colonies. colonies in different lagoons differed in their phenology of breeding activities, such as nest building, egg laying and chick rearing.

Full-Text

comments powered by Disqus