摘要
徐州九里山和新沂窑湾的鹭鸟种群自建群以来,种群规模逐年扩大.但2006年,两地鹭鸟种群发生了明显的变化.作者分析了该状况的成因,并提出保护鹭鸟的几点建议.
Since the colonization of the heron reproductive population at Jiuli Hill in Xuzhou City and Yaowan in Xinyi City, the group size had expanded year by year. However the heron populations had obviously changed at the two places in 2006. In this paper, the reason to cause the changes is analyzed, and some advices for protecting heron are given.
出处
《徐州师范大学学报（自然科学版）》
CAS
2006年第3期67-71,共5页
Journal of Xuzhou Normal University(Natural Science Edition)
基金
徐州师范大学成人教育科研基金资助项目(CKYB05011CKYB05009)
关键词
鹭鸟
建群
迁出
徐州
九里山
新沂
窑湾镇
heron
colonization
emigration
Xuzhou
Jiuli Hill
Xinyi
Yaowan Town
