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Competition, predation and migration: Individual choice patterns of Serengeti migrants captured by hierarchical models
(Ecological Society Of America, 2014-06)
Large-herbivore migrations occur across gradients of food quality or food abundance that are generally determined by underlying geographic patterns in rainfall, elevation, or latitude, in turn causing variation in the ...
Del Oasis de Tierra Caliente hasta The Golden State: prácticas de socialización de los niños y niñas migrantes transnacionales de La Huacana, Michoacán, y del Estado de California, Estados Unidos (1982-2015)
(Universidad Michoacana de San Nicolás de Hidalgo, 2018-01)
Migrant children with transnational experiences in La Huacana, Michoacán and the United States are a sector of the population that registers by seasons in both schools, being these, after the family, spaces of socialization ...
Breeding latitude predicts timing but not rate of spring migration in a widespread migratory bird in South America
(Wiley, 2019-04)
Identifying the processes that determine avian migratory strategies in different environmental contexts is imperative to understanding the constraints to survival and reproduction faced by migratory birds across the planet. ...
Shorebird Seasonal Abundance and Habitat-Use Patterns in Punta Rasa, Samborombón Bay, Argentina
(Waterbird Society, 2015-05)
Shorebird assemblage composition and habitat-use patterns were characterized at Punta Rasa during the austral summer, autumn and winter. Compared to other sites within the region, this area showed high species richness, ...
Year-round presence of Slaty Thrush (Turdus nigriceps nigriceps) in mountains of central Argentina
(Sociedade Brasileira de Ornitologia, 2016-12)
The migration patterns of passerine species in the Neotropical region present several gaps of knowledge. The migratory behavior of the Slaty Thrush (Turdus nigriceps nigriceps) has been well characterized in their central ...
Abundance and diversity of small-bird assemblages in the Monte desert, Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2005-12)
Assemblages of small bird species (o90 gbody mass) from the Monte desert in Argentinawere studied to analyze spatial and temporal variation in abundance and species richness.Mean species richness was higher during breeding ...
Distribution, composition and seasonality of aquatic birds in the Nhecolandia sub-region of South Pantanal, Brazil
(Int Inst Ecology, 2014-11-01)
Despite remarkable significance of Pantanal for the conservation of aquatic birds, the status of their populations, the spatiotemporal patterns of distribution and habitat use and structure of communities are little known. ...
Los trabajadores agropecuarios transitorios en algunas regiones extrapampeanas de Argentina. ¿Mercados de trabajo migrantes o locales?
(Universidad de Buenos Aires. Facultad de Ciencias Sociales. Instituto de Investigaciones "Gino Germani", 2013-03)
El objetivo general de este trabajo es analizar distintos mercados de trabajo agropecuarios argentinos respecto a la oferta y demanda de mano de obra transitoria. Se busca analizar los procesos sociales que dan origen y ...