6Hinsley S A,Bellamy P E,Newton I et al.Factors influencing the presence of individual bird species in woodland fragments.Journal of Avian Biology,1995,26: 94-104
7Hirano T,Endo K,Nihei K et al.The relationship between the percentage of wooded area and the occurrence of bird species in Utsunomiya,Central Japan.Strix 4,1985: 33-42
8Howe R W.Local dynamics of bird assemblages in small forest habitat islands in Australia and North America.Ecology,1984,65:1585-1601
9Imai C,Natuhara Y.Comparison of butterfly fauna among urban greeneries in and around Osaka City and an application to island biogeography theory.Jpn J Environ Entomol Zool,1996,8:28-34
10James F C,Wamer N O.Relationships between temperate forest bird communities and vegetation structure.Ecology,1982,63:159-171
