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A STUDY ON INTRODUCTION OF LARCH Natural Capital Accounting with the Ecological Footprint Concept in Gonghe County as a Desertification Area, Qinghai Province THE FRUITING CHARACTERISTICS AND REPRODUCTIVE CAPACITY OFSEEDS OF ABIES YUANBAOSHANENSIS Parameters of metapopulation dynamics of wild soybean originated from different latitudes and their significance of ecological adaptation An Analysis of Genetic Parameters,Characters of Seed and Cone,and Cone Yield of Clones Grown in a Seed Orchard for Pinus massoniana