Ecology
institutions
http://www.moew.government.bg/
http://chm.moew.government.bg/iaos/index.cfm
http://www.appd-bg.org/site/page.php?2
http://www.rusenskilom.iag.bg/
international organizations
NGO - BG
Natura - 2000
http://natura2000.moew.government.bg/
RIM-ROUSSE
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