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Introduced Non-native Waterbirds - Status within the African-Eurasian Flyways
… J. (2001). An audit of alien species in Scotland. Scottish Natural Heritage Review No 139, SNH Publications, Battleby. BTO … an accurate assessment of any environmental effects on the natural population. Feral populations of both Greylag Geese …
AEWA Conservation Guidelines No. 10 - Guidelines on Avoidance of Introductions of Non-native Waterbird Species (TS No. 12)
… Convention on the Conservation of European Wildlife and Natural Habitats (the Bern Convention, Bern 1979). … with closely related native species. Grazing of natural vegetation, competition with native species and … by the Directorate of Culture and Cultural and Natural Heritage as a contribution to the 6 th Meeting of the …