Biological Criteria to Qualify as a Network Site

Criteria 1:	it regularly supports >20,000 migratory Anatidae populations.
Criteria 2:	it regularly supports >1% of the individuals in a population of one species or subspecies migratory in the family Anatidae (refer to the 1% threshold in the Table 1).
Criteria 3:	it supports appreciable numbers of a migratory Anatidae population identified in the list of Anatidae populations with unfavourable conservation status (Table 2).

Table 2. Anatidae populations with unfavourable conservation status for Criteria 3, populations in Rank A in Table 1).

Species or subspecies Population Cygnus olor Eastern Asia Anser cygnoides Eastern Asia Anser fabalis subsp. middendorffii Eastern Taiga (breeding) subsp. serrirostris Eastern Tundra (breeding) Anser erythropus Eastern Asia Anser caerulescens subsp. caerulescens Eastern Asia Branta bernicla subsp. nigricans Eastern Asia

Species or subspecies Population Tadorna cristata Eastern Asia Sarkidiornis melanotos subsp. melanotos Southern & Southeastern Asia Aix galericulata China (non-breeding) Aix galericulata Korea (non-breeding) Anas falcata Eastern Asia Anas formosa Eastern Asia Aythya baeri Eastern & Southeastern Asia Mergus squamatus Eastern Asia

[ Top ] [ Back ]