摘要
采用样方因子测定法对三江国家级自然保护区丹顶鹤春季觅食生境进行调查研究的结果表明:丹顶鹤春季主要在以苔草、小叶章为主的沼泽湿地中觅食;觅食地植被高度小于40 cm,植被密度低于400株/m2,植被盖度为0～25%,觅食地水深多为5～15 cm,人类干扰距离大于1 500 m;人为活动严重影响着丹顶鹤的觅食;春季丹顶鹤有在火烧地中觅食的现象。
Using quadrat factor assay method,the investigate about the foraging habitat of Grus japonensis in Sanjiang nature reserve shows that Grus japonensis mainly foraging in the wetlans which have Carex spp.,Calamagrostis angustifolia.The hight of these plants was less than 40cm,the density was lower than 400 plants per square meter,vegetation cover was mainly between 0 and 25%,and the depth of the foraging place water was 5~15cm,the distance of human disturbance was greater than 1500m.Human activity greatly affects Grus japonensis foraging.In spring,Grus japonensis sometimes foraging in the burns down.
出处
《林业科技》
2011年第2期55-58,共4页
Forestry Science & Technology
基金
国家自然科学基金"小三江平原50年湿地景观变化过程对典型水禽及境要素的影响"资助
关键词
丹顶鹤
觅食生境
三江保护区
湿地
Grus japonensis
Foraging habitat
Sanjiang nature reserve
Wetlands
