Common Murre

Changes in murre populations since 1975 by region and ‘decade’ (as defined by regime shifts in the Pacific Decadal Oscillation). Green indicates positive population trends, yellow indicates stable populations, and red indicates negative population trends.

Conservation of Arctic Flora and Fauna (CAFF)
www.caff.is 

The data can be downloaded freely.

Users are requested to reference it source.

i.e. Arctic Biodiversity Trends 2010.

Annual rates of population change of individual murre colonies during 12 years after the 1977 climatic regime shift in the North Pacific and during 9 years after the 1989 shift, in relation to changes in sea surface temperatures around the colonies from one decadal regime to the next. Population data are from 32 U. aalge and 21 U. lomvia colonies, encompassing the entire circumpolar region. Ten sites supported both species, so 43 different study areas were represented.

ZIP file includes 2 files:

1. Excel file

2. Image file

Conservation of Arctic Flora and Fauna (CAFF)
www.caff.is 

The data can be downloaded freely.

Users are requested to reference it source.

i.e. Arctic Biodiversity Trends 2010.

The distribution of thick-billed and common murre colonies in the North.

ZIP file includes 3 datasets:

1. Shapefile of Common Murre distribution

2. Shapefile of Thickbilled Murre distribution

3. Image file of Murres distribution

Conservation of Arctic Flora and Fauna (CAFF)

www.caff.is 

The data can be downloaded freely.

Users are requested to reference it source.

i.e. Arctic Biodiversity Trends 2010.

Graphics: Hugo Ahlenius