陕西省黄河湿地水禽迁徙规律初步研究

Migration of waterfowls at yellowriver wetland in Shaanxi

1998— 2 0 0 3年冬季 ,作者相继在关中平原东部的黄河湿地、陕北榆林淡水湖泊区以及汉江流域对水禽迁徙状况进行了研究 .结果表明 ,迁来黄河湿地越冬的水禽有 3 7种 ,其中辟鸟目 2种 ,鹈形目 1种 ,鹳形目 7种 ,雁形目 18种 ,鹤形目 4种 ,鸥形目 4种 .10月下旬以后各种水禽陆续到达 ,11月下旬以后水禽种类稳步上升 ,12月下旬水禽种类基本稳定 ,2月中旬之后各种鸟类分批离开 ,4月中旬区内基本无越冬个体停留 .

Researches on migration of waterfowls were carried at Yellowriver wetland, freshwater lake areas in Yulin city and Hanjiang river in winter from 1998 to 2003. The results indicated that there are 37 species(Table1) of waterfowls including Podicipedidae(2species),Phalacrocoracidae(1species),Ardeidae(5species),Ciconiidea(1species),Threskiornithidae(1species),Anatidae(18species),Gruidae(2species),Otididae(1species),Laridae(4species) migrate to the study district.The process of migration can be divided into three stages :arrival ,wintering and departure period.