Theoretical basis for species conservation:from the theory of island biogeography to metapopulation dynamic theory STUDY ONTHE RELATIONSHIP BETWEEN SPECIES,AREA AND LATITUDE OF VERTEBRATES NATURE CONSERVATION THEORY AND MACARTHUR-WILSON MODEL Mathematical modelling and nature conservation Origin and essence of island biogeography and metapopulation theory Plant Diversity Distribution of Mountains in Rural Landscapes£othe Combined Influences of Topography and Land Use