向海湿地丹顶鹤迁徙动态及其栖息地保护研究

摘要/Abstract

摘要： 基于1997～2003年间吉林省通榆县向海湿地春季丹顶鹤数量和分布数据,分析了丹顶鹤的迁徙动态及其与栖息地生态环境变化之间的关系.结果表明,1997～2003年间,每年春季丹顶鹤的种群数量分别为32、25、64、92、72、59和14只;丹顶鹤迁达向海的最早年份为2002年(3月12日),最晚年份为2001年(3月28日),大多年份于3月中旬到达向海;其产卵时间最早的年份为2000年(4月1日),最晚年份为2003年(5月10日),大多年份于4月上旬开始产卵;在分布上,以2000年丹顶鹤分布点最多(15个),1998年和2003年分布点较少(2个).表明丹顶鹤的迁徙动态随湿地水文条件的改变而变化.据此提出了利用洪水资源保护和恢复丹顶鹤等珍稀水禽栖息地的技术与对策.

关键词: 丹顶鹤, 迁徙动态, 生态环境变化, 栖息地保护, 向海湿地

Abstract: A survey on the migratory Grus japonensis in Xianghai wetland was conducted in spring of 1997～2003,and the relationship between migratory dynamics of Grus japonensis and changes of wetland eco-environment was analyzed.The population of Grus japonensis in Xianghai was 32,25,64,92,72,59 and 14,respectively in the spring of 1997～2003.The smallest number was found in 2003,only 1 breeding pair,and the largest number was found in 2002,including 16 breeding pairs.The earliest year for Grus japonensis arrival was 2002 (March 12),and the latest year was 2001 (March 28).The earliest year for Grus japonensis laying eggs was 1998 (April 1),and the latest year was 2003 (May 10).Most cranes finished laying eggs in early April.The earliest day was 40 days earlier than the latest one.Among the seven years,the year when the distribution range of Grus japonensis was the widest was 2000,and the cranes mainly distributed in 15 sites,such as Fulaowunpao,Jiandipao,and so on.On the contrary,they distributed only in 2 sites in 1998 and 1 site in 2003.The number and the distribution range of Grus japonensis in 2000 were far larger than those in 1997,1998 and 2003.The migratory dynamics of Grus japonensis changed with the water condition of Xianghai wetland in different years.Based on the characteristics of water eco-environment of Xianghai wetland,a strategy for protecting Grus japonensis by wisely using the flood resource was suggested.

Key words: Grus japonensis, Migratory dynamics, Ecological environment change, Habitat conservation, Xianghai wetlands

中图分类号:

Q16
Q958

何春光, 盛连喜, 郎惠卿, 李连山, 邹丽芳. 向海湿地丹顶鹤迁徙动态及其栖息地保护研究[J]. 应用生态学报, 2004, (9): 1523-1526.

HE Chunguang, SHENG Lianxi, LANG Huiqing, LI Lianshan, ZOU Lifang . Migration dynamics of Grus japonensis in recent years spring and conservation of its habitat in Xianghai Nature Reserve[J]. Chinese Journal of Applied Ecology, 2004, (9): 1523-1526.

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