大鸨的巢位选择研究

应用生态学报 ›› 2002, Vol. ›› Issue (11): 1445-1448.

大鸨的巢位选择研究

万冬梅^1,2, 高玮¹, 赵匠^1,3, 王海涛¹, 程瑾瑞¹

1. 东北师范大学生命科学学院, 长春, 130024;
2. 辽宁大学生命科学系, 沈阳, 110036;;
3. 吉林师范大学生物系, 四平, 136000

收稿日期:2002-01-07 修回日期:2002-04-20
通讯作者: 万冬梅,女,1969年11月生,博士,副教授.主要从事动物生态学研究,已发表论文8篇,参编著作3部.联系电话:(024)25825465万冬梅现联系地址:辽宁大学生命科学系,沈阳,110036.
基金资助:
国家自然科学基金资助项目(30170141).

WAN Dongmei^1,2, GAO Wei¹, ZHAO Jiang^1,3, WANG Haitao¹, CHENG Jinrui ¹

1. College of Life Science, Northeast Normal University, Changchun 130024;
2. Department of Life Science, Liaoning University, Shenyang 110036;
3. Department of Biology, Jilin Normal University, Siping 136000

Received:2002-01-07 Revised:2002-04-20

摘要/Abstract

摘要： 2000年和2001年的4～7月连续两年,在内蒙古自治区科尔沁右翼前旗东南部草原上采用野外直接观测和样方法对繁殖期大鸨(Otis tarda)的巢位选择进行了研究.结果表明,大鸨是一种营地面松散型群巢的大型鸟类,最近巢间距为9m.大鸨在繁殖期对巢位具有明显的选择性:首先表现在景观尺度上的选择,大鸨巢多筑在海拔190～230m的草原岗坡的坡腰上,以偏南向的朝阳缓坡的坡腰上为多,最大坡度不超过8°,而且巢均筑在距车道不远的地方;其次表现在植被结构上的选择,大鸨倾向于选择枯草较厚、植被密度较高且多数植物高度在15～35cm的地方营巢,但植被密度过高处却并不选择.

关键词: 大鸨, 巢位选择, 草原, 模拟干旱, 温度敏感性, 土壤呼吸, 凋落物量, 土壤碳排放

Abstract: During April to July in 2000 and 2001,the nest site selection of Otis tarda was studied by direct observation and sampling method in the southeast grassland of Keyouqianqi in Inner Mongolia.The results showed that Otis tarda was one kind of big sized bird built nests on the ground in sparse cluster, and the smallest distance between nests was 9m. Otis tarda had a significant tendency in nest site selection.Firstly,this tendency was represented under the scale of landscape.Most nests of Otis tarda were built on the mid hill of grassland,the elevation range was from 190m to 230m,most nests built on the slopes faced to sun, and the biggest gradient was not more than8 degree.Moreover,the nests were near to roads.Secondly, Otis tarda selected its nest site according to vegetation structure.It tended to select nest site with thick hay,high vegetation density and grass height from 15cm to 35cm,but would not select the place with over high vegetation density no nest.

Key words: soil respiration, litterfall amount, temperature sensitivity, soil carbon emission, simulated drought

中图分类号:

Q958.11

万冬梅, 高玮, 赵匠, 王海涛, 程瑾瑞. 大鸨的巢位选择研究[J]. 应用生态学报, 2002, (11): 1445-1448.

WAN Dongmei, GAO Wei, ZHAO Jiang, WANG Haitao, CHENG Jinrui . [J]. Chinese Journal of Applied Ecology, 2002, (11): 1445-1448.

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