Habitat selection by territorial males of Little Bustard Tetrax tetrax in a NW Iberian population

Authors: Francisco ARCOS and Rafael SALVADORES

Published: Volume 52(1), June 2005. Pages 151-157.

Language: Spanish

Original Title: Selección de hÁbitats de machos territoriales de Sisón Tetrax tetrax en una población del NW Ibérico

Summary:

The galician population of Little Bustard Tetrax tetrax occupies a marginal area within the Iberian distribution range of the species, and up to the present day it has received little attention. The general pattern of habitat selection of territorial males in the A Limia region (Galicia, NW Spain) between the years 2003 and 2004 has been studied, through the development of generalised linear models, which analised the characteristics of circular surfaces delimited by radii of 100 and 250 metres around the places with (n = 18) and without (n = 36) Little Bustards. In the central surfaces of the territories there is less potato crop and greater surfaces of semipermanent crops, whereas in the circles with a 250 metres radius there is also greater surfaces of semipermanent crops. The species avoids the presence of roads and agricultural tracks.

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