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[1]LU Jie,PAN Gang,LUO Da-qing,et al.Analysis to the Life Table of Endangered Population Abies Georgei[J].Research of Soil and Water Conservation,2010,17(05):212-216,221.

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Analysis to the Life Table of Endangered Population Abies Georgei

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 05 Page number: 212-216,221 Column: Public date: 2010-10-20

Title:: Analysis to the Life Table of Endangered Population Abies Georgei

Author(s):: LU Jie^1,2, PAN Gang^1,2, LUO Da-qing^1,2, ZHENG Wei-lie^1,2, GUO Qi-qiang^1,2, QIN Yuan-li³; 1. Research Institute of Plateau Ecology, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet 860000, China;
2. National Forest Ecosystem Research Station in the Sejila Mountain of Tibet, Linzhi, Tibet 860000, China;
3. Research Institute of Forest in Guangxi, Nanning 530001, China

Keywords:: population; life table; survival curve; Abies georgei

CLC:: S718.542;S791.14

DOI:: -

Abstract:: Abies georgei var. smithⅡ is second-class protected species and in approximately endangered states in our country. After a comprehensive investigation on A. georgei population that distributes in Sejila mountain of Tibet, the life table was worked out, life characteristics and population dynamics were analyzed. The results showed that the individual number of A. georgei were decreased straightly with age class increasing, the habitat affected on the population structure and dynamics of A. georgei, seedling mortality rate of A. georgei that distributes in shady slope was more than that of sunny slope, adult mortality rate was opposite, the survival curve of the sunny slope population trend to the B₃ subtype of Deevey-Ⅱ, the survival curve of the shady slope and total population trend to the type of Deevey-Ⅲ. The functions used in three life tables could well explain the structure and dynamics of A. georgei population. The research results provided the theoretical basis for management and sustainable utilization of A. georgei.

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