贵州花溪大学城破碎化林地蝴蝶多样性与嵌套分布格局  

Butterfly Diversity and Nestedness on Fragmented Woodlots in the Huaxi University Town,Guizhou

作　　者：伍素 李义 杨开慧 李琳 曾维波 蔡明飞 刘宇 张凯 徐雨[1] WU Su;LI Yi;YANG Kaihui;LI Lin;ZENG Weibo;CAI Mingfei;LIU Yu;ZHANG Kai;XU Yu(School of Life Sciences,Guizhou Normal University,Guiyang 550025,China)

机构地区：[1]贵州师范大学生命科学学院,贵阳550025

出　　处：《四川动物》2023年第5期579-585,共7页Sichuan Journal of Zoology

基　　金：国家自然科学基金委员会-贵州省人民政府喀斯特科学研究中心项目(U1812401);国家自然科学基金项目(32270540);贵州省科技计划项目(黔科合基础-ZK[2021]一般098)。

摘　　要：为揭示城镇化进程中生境破碎化对蝴蝶多样性及分布格局的影响,本研究于2017—2022年每年的5—8月对贵州省花溪大学城26个残存自然林地中的蝴蝶多样性进行调查,共记录蝴蝶5科51属81种。不同斑块中的蝴蝶物种数为2~53种,平均每个斑块10.2种±9.7种。线性回归分析表明:蝴蝶物种丰富度与斑块面积呈边缘显著正相关,符合岛屿生物地理学理论提出的“面积效应”;物种丰富度与距最大斑块距离呈显著负相关,表明存在隔离效应;进一步分析揭示不同斑块间的蝴蝶群落不存在嵌套格局或呈现反嵌套格局,具体形成机制有待进一步研究。基于研究结果,建议在城镇规划建设中应注重维持栖息地的完整性,对不同面积的林地斑块均加以保护。To examine the impact of habitat fragmentation on the diversity and distribution pattern of butterflies during the process of urbanization,the diversity of butterfly in 26 fragmented woodlots in the Huaxi University Town(Guizhou Province)was investigated.Through six-round surveys,81 species of butterflies belonging to 51 genera,5 families were recorded.The number of butterfly species in different woodlots ranged from 2 to 53,with an average of 10.2±9.7 species per woodlot.The result of linear regression analysis showed that the species richness of butterflies was positively correlated with the area of woodlots,and this was accordant to the“area effect”proposed by the island biogeography theory.On the other hand,the correlation of species richness with the distance to the largest woodlot was significantly negative,indicative of an isolation effect.Furthermore,butterfly assemblages among woodlots were not significantly nested or even anti-nested.Based on the results of the current study,it is recommended that habitat integrity should be maintained in urban planning and construction,and woodlots with different sizes should be protected.

关 键 词：生境破碎化 蝴蝶 面积 隔离度 嵌套格局 城市化 

分 类 号：Q958.1[生物学—动物学]