雁鸭类

辽宁常见雁鸭类

Common Anseriformes Birds in Liaoning Province

为保护好兰州市区越冬雁鸭类，本文对改善城市环境结构提出了几点建议。

In order to protect the Anseriformes in Lanzhou , suggestions for the improvement of the urban environmental structures are given here .

唐海湿地迁徙水鸟的四大重要类群（鴴鹬鸟类群落、鸥类群落、雁鸭类群落及鹭科鸟类群落）迁徙高峰期均出现在春秋季节，夏季次之，冬季为最低谷。

The migration peaks mainly occurred in spring or fall for the four species of waterfowls .

兰州市区黄河段雁鸭类迁徙动态及环境结构对其的影响

The migrating tendency of Anseriformes and the effects of the environmental structures on them in urban and suburban areas of lanzhou , China

结果表明，哈素海雁鸭类共计8属20种，其中旅鸟17种，夏候鸟3种；

According to the results of investigation , there are 20 species of the wild goose and duck which belongs to eight genera .

2006年3~5月记录到雁鸭类3属8种，优势种为绿翅鸭、白眉鸭（A.querquedula）和斑嘴鸭。

While , we indicated 8 species ( 3 genera ) during March and May , Common Teal and Garganey ( A. querquedula ) were the dominant species .

保护区冬季由于人为投毒大量的雁鸭类水鸟被杀死，急需执法保护。

Many geese and ducks were killed by human with poisonous drugs in winter in 2009 , so they were in instant need of protection by wild animal protection law .