Colony attendance in a Black Guillemot colony in West

Developing reliable census methods has a high priority for the conservation of seabird species. Counting populations of Black Guillemots Cep-phus grylle is particularly difficult because the

Bibliographic Details
Main Authors:	Anne-mette H. Andersen, Katrine Rahe, Signe Sveegaard, Mads C. Forchhammer
Other Authors:	The Pennsylvania State University CiteSeerX Archives
Format:	Text
Language:	English
Subjects:	Black guillemot
Online Access:	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.554.2667 http://www.dof.dk/sider/images/stories/publikationer/doft/dokumenter/DOFT2009/nr1/black_guillemot.pdf

Description
Summary:	Developing reliable census methods has a high priority for the conservation of seabird species. Counting populations of Black Guillemots Cep-phus grylle is particularly difficult because the