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Participants

Map 1: Survey plots included in the data analysis for the period 2005-2013 visited more than 3 times

karta_1_plots_2005_2013_web.jpg

 

Graph: Number of surveyed plots per year.

ploshtadki_2005-2013.jpg

http://www.ebcc.info/
http://www.birdlife.org/
http://pudoos.bg/
http://www.rspb.org.uk/
http://www.BG03.moew.government.bg