环境演变及三峡工程对洞庭湖区东方田鼠种群影响的评估

应用生态学报 ›› 2002, Vol. ›› Issue (5): 585-588.

环境演变及三峡工程对洞庭湖区东方田鼠种群影响的评估

邹邵林, 郭聪, 刘新平

中国科学院长沙农业现代化研究所, 长沙 410125

收稿日期:1999-09-03 修回日期:1999-11-29 出版日期:2002-05-15
通讯作者: 邹邵林,男,1969年生,主要从事区域环境研究与灾害分析,发表论文4篇.
基金资助:
中国科学院生物科学与技术特别支持项目(STZ113);中国科学院“九五”重大项目(KZ951B11062);“九五”国家攻关资助项目(96A230604)

Evaluation on the impacts of environmental changes and Three-Gorge Engineering on the population of Yangtze voles (Microtus forits) in the Dongting Lake region

ZOU Shaolin, GUO Cong, LIU Xinping

Changsha Institute of Agricultural Modernization, Chinese Academy of Sciences, Changsha 410125

Received:1999-09-03 Revised:1999-11-29 Online:2002-05-15

摘要/Abstract

摘要： 根据历史资料,分析了洞庭湖洲滩演变与东方田鼠种群变动之间的关系.再根据三峡工程建成后下泄流量调度方案,分析了三峡工程对洞庭湖湖水水位及洲滩环境的影响,进而评估三峡工程对东方田鼠种群波动的影响.结果表明,洲滩出露面积的不断增大和冬、春季洲滩连续出露天数的增加,使东方田鼠的栖息地扩大,并使其种群增长期延长,从而使其种群膨胀.三峡工程建成后初期,10～11月洲滩出露天数和出露面积将比建坝前同期有较大增长,建坝后中长期,洲滩出露天数和出露面积逐渐增大,东方田鼠种群亦将随之继续增长.因此,汛期洲滩被淹后将有更多的东方田鼠迁入到垸内,对农田的危害将进一步加重.

关键词: 东方田鼠, 种群, 三峡工程, 洞庭湖

Abstract: The relationships between the populaton of Yangtze voles ( Microtus fortis ) and the evolvement of the Dongting Lake beaches were analyzed based on historical data,and the impacts of the Three Gorge Engineering on beach environment and water level of the lake were assessed according to the regulation scheme on downward discharge flux of the Three Gorge dam.The results indicated that the population of the voles has been increasing since 1950's,owing to the continuous enlargement of the lake beach and prolonging successional emergence of the beach.The emergence date of the beach in Autumn would be earlier,its emergence area would be going up,the population of the voles would be also expanded at the initial post construction stage,which would still increase with the continuous expansion of beach area in a middle and long period after the establishment of the dam.More voles would thus move to the farmland,and heavily harm crops.

Key words: Microtus fortis, Population, Three Gorge Engineering, Dongting Lake

中图分类号:

Q958.12

邹邵林, 郭聪, 刘新平. 环境演变及三峡工程对洞庭湖区东方田鼠种群影响的评估[J]. 应用生态学报, 2002, (5): 585-588.

ZOU Shaolin, GUO Cong, LIU Xinping . Evaluation on the impacts of environmental changes and Three-Gorge Engineering on the population of Yangtze voles (Microtus forits) in the Dongting Lake region[J]. Chinese Journal of Applied Ecology, 2002, (5): 585-588.

参考文献

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