The need for year-specific correction factors (k values) when converting counts of individual common guillemots Uria aalge to breeding pairs

Harris, Mike P.; Heubeck, Martin; Newell, Mark A.; Wanless, Sarah. 2015 The need for year-specific correction factors (k values) when converting counts of individual common guillemots Uria aalge to breeding pairs. Bird Study, 62 (2). 276-279. https://doi.org/10.1080/00063657.2015.1017444

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0006365...

Abstract/Summary

Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance. Any future wide-scale census of this species needs to collect concurrent k values if counts of individual birds are to be used to determine changes in breeding populations since the previous survey.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1080/00063657.2015.1017444
UKCEH and CEH Sections/Science Areas:	UKCEH Fellows Watt
ISSN:	0006-3657
NORA Subject Terms:	Ecology and Environment
Date made live:	22 Apr 2015 15:36 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/510579

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1080/00063657.2015.1017444

UKCEH and CEH Sections/Science Areas:

UKCEH Fellows
Watt

ISSN:

0006-3657

NORA Subject Terms:

Ecology and Environment

Date made live:

22 Apr 2015 15:36 +0 (UTC)