Apparent survival rate in a bluethroat Luscinia svecica azuricollis population in Spain

Doi: http://dx.doi.org/10.13157/arla.60.2.2013.371

Authors: Juan ARIZAGA and Javier GARCÍA

E-mail: jarizaga@aranzadi-zientziak.org

Published: Volume 60(2), December 2013. Pages 371-376.

Language: English

Summary:

Survival estimation is fundamental to understanding population dynamics and has great value from a conservation standpoint. We calculated the apparent survival rate and its variation between age classes and years for a bluethroat Luscinia svecica azuricollis breeding population in spain. Cormack-Jolly-Seber models were used on capture-recapture data obtained during the breeding season from 1998 to 2005. Bluethroats first captured as adults exhibited higher apparent annual survival (0.52) than those first captured as first-year birds (0.31). We discuss these results within a larger geographic context and compare them with other similar species.

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