山东威海荣成烟墩角是世界四大天鹅越冬栖息地之一,位于山东半岛最东端的成山角。荣成特殊的气候和地理条件给大天鹅提供了得天独厚的生存条件,气候属海洋季风性气候,冬季温度一般在零下6°到零上5°左右。周边山区自然湖泊和淡水源渠众多,在近海有许多的淡水河流入海中形成的泄湖,当地人叫“两河水”,这里生长着大量丰富的海藻类生物,尤其是一种叫大叶藻的海藻是大天鹅的最爱。优越的自然生存条件还吸引了白脸琵鹭、灰鹤、斑头雁、赤麻鸭等20余种国家级野生保护鸟类来此越冬栖息。[字大显得多]
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[ 此帖被寂石在2010-01-12 11:32重新编辑 ]