Institucions culturals
Now showing items 1-20 of 71
Several devices have been designed to prevent predation in nest boxes by mammals and birds. Although snakes are one of the most common predators in cavity–nesters, they have always been difficult to deter. Here we tested ...
This note gives fifteen localities for Triturus helveticus in the Province of Catalonia, Spain, and extends the known distribution of the species in a southerly direction.
The methods used to preserve bird skins in museums have a potentially crucial impact on the feasibility and use of these specimens as a source of biological knowledge, although this subject is rarely broached. Study skins ...
A l’antic abocador de la vall de Joan (Gavà, Barcelona) i davant la imminent restauració de la segona fase (zona de pastura) similar a la feta el 2001 (zona aforestada), es van analitzar la riquesa d’aus i valor de conservació ...
Biological invasions are the second most important cause of species extinction. Aided by processes such as transportation and urbanization, exotic species can establish and spread to new locations, causing changes in the ...
Los paisajes que se generan por actividades humanas pueden ser diversos y complejos, o extremadamente simplificados. Las aves responden rápidamente a cambios en la estructura, tamaño y conformación de los parches de hábitats ...
Dado que el comportamiento proporciona un marco útil para comprender la especialización, la personalidad animal puede ayudar a explicar la capacidad invasiva de las aves. La invasión implica la dispersión por áreas ...
Proyecto de investigación de una estancia en el Centro de Investigación de Ecosistemas de la Universidad Nacional Autónoma de México de abril a octubre del 2006. Varios estudios sugieren que producir las coloraciones ...
Bird feathers have been widely used as environmental indicators, providing key information on environmental pollution. However, there is little available information on the adsorption of natural radioactivity in bird ...
The area of the Montseny mountain whre the population of Rana temporaria lives is described. That mountain is part of the Catalonian Prelitoral System, so that it is clearly influenced by the mediterranean climate. ...
An extensive compilation of the available literature regarding marine Turtles on the spanish coasts have been completed, giving at the same time further unpublished observations. The 99 references obtained are shared between ...
Presentació: L’ornitologia és una activitat científica que, a les terres de parla catalana, es va iniciar a mitjans del segle XX i que ha tingut un paper cabdal en la generació d’un coneixement naturalista i científic de ...
In the amniote embryo, the upper jaw and nasal cavities form through coordinated outgrowth and fusion of craniofacial prominences. Adjacent to the embryonic prominences are the developing eyes, which abut the maxillary and ...
