3[1]BASKIN Y.Winners and losers in a changing world. Bioscience,1999,48:788-792.
4[4]COWIE R H.Evolution and extinction of Partulidae,endemic Pacific islan d land snails[J]. Pailosophical Transactions of the Royal Society of London Bi ology,1992,15:167-191.
5[5]CROWDER L B.Character displacement and habit shift in a native cisco in southeastern lake Michigan:evidence fir competition?[J].Copeia,1984:878-88 3.
6[6]BUSH D E,SMITH S D.Mechanism associated with decline if woody species in aparian ecosystems of the southwestern US[J].Ecological Monographs,1995,6 5:347-370.
7[7]BROWN L R,MOYLE P B.Changes in habitat and microhabitat partitioning w ith an assemblage of stream fishes in response to predation by Sacramento squawf ish(Ptychocheilus grandis)[J].Canadian J Fisheries and Aquation Sci ences,1991,48:849-856.
8[8]POWER M E.Habitat beterogeneity and the functional significance if fi sh in river food webs[J]. Ecology,1992,73:1675-1688.
9[9]BURDON J J.GROVES R H.CULLEN J M.The impact of biological control on the distribution and abundance of Chondrilla juncea in Southeastern Australia[ J].J Applied Ecology,1981,18:957-966.
10[10]ADALSTEINSON S.Possible changes in the frequency of human ABO blood grou ps in Iceland due to smallbox epidemic selection[J].Annals of Human Genetics,1 985,49:275-281.
