01141nam a2200193Ia 4500 CTU_13505 210402s9999 xx 000 0 und d 574.5 H249/Vol.92 Hansen, Andrew J Ecological studies: Lanscape boundaries: Consequencce for biotic diversity and ecological flows Andrew J Hansen, Francesco di Castri New York Springer-Verlag 1992 This volume examines the effect of ecotone patterning on comminity diversity and landscape functioning. Ecotones (transition zones between ecosystems) define ecosystem boundaries and may control the flow of energy, material and organisms between ecosystems. This book explores the role of ecotones in controlling these flow thereby influencing landscape functioning. It synthesizes existing theory, evaluates central hypotheses relative to empirical and simulation data, and puts forth new hypotheses biological diversity,ecotones,lanscape ecology,vegetation boundaries Minh, 961205 Trung tâm Học liệu Trường Đại học Cần Thơ