8Kruess A, Tschamtke T. Species richness and parasitism in a fragmented landscape: experiments and field studies with insects on Vieia sepium[ J]. Oecologia, 2000, 122( 1): 129 -137.
9Kruess A. Effects of landscape structure and habitat type on a plant - herbivore - parasitoid community [ J ]. Ecography, 2003, 26(3) :283 -290.
10Fabrig L. Effects of habitat fragmentation on biodiversity [ J ]. Annual Review of Ecology, Evolution and Systematies, 2003, 34 : 487 - 515.