Heilongjiang Province has large areas of welands. 32 species of anatidae were recorded: 5 geese (Anser sp.), 2 swans (Cygnus sp.) and 25 ducks (Anas sp.). Some millions of geese and duck bred here before the 1960s. Be...Heilongjiang Province has large areas of welands. 32 species of anatidae were recorded: 5 geese (Anser sp.), 2 swans (Cygnus sp.) and 25 ducks (Anas sp.). Some millions of geese and duck bred here before the 1960s. Because of wetland reclamation for farmland in recent years,their numbers have declined rapidly, and five species. whooper swan (Cygnus cygnus), whistling wans (Cygnus columbianus), white-fronted goose (Anser erythropus), mandarin duck (Aix galericulata), and Chinese merganser (Mergus squamatus ) are .endangered. They are now protected by the China Wildlife Protection Law promulgated in 1989. In order to protect wildife resources, 19 natural reserves were set up in Heilongjiang Province; some species can be restored and utilized reasonably.展开更多
文摘Heilongjiang Province has large areas of welands. 32 species of anatidae were recorded: 5 geese (Anser sp.), 2 swans (Cygnus sp.) and 25 ducks (Anas sp.). Some millions of geese and duck bred here before the 1960s. Because of wetland reclamation for farmland in recent years,their numbers have declined rapidly, and five species. whooper swan (Cygnus cygnus), whistling wans (Cygnus columbianus), white-fronted goose (Anser erythropus), mandarin duck (Aix galericulata), and Chinese merganser (Mergus squamatus ) are .endangered. They are now protected by the China Wildlife Protection Law promulgated in 1989. In order to protect wildife resources, 19 natural reserves were set up in Heilongjiang Province; some species can be restored and utilized reasonably.
