Life table and spectral analysis of endangered plant Taxus chinensis var.mairei population

Abstract

Abstract: Based on the investigation in Longxi Mountain National Nature Reserve and the theory of survival analysis,a static life table of Taxus chinensis var. mairei population was worked out,the curves of its survival rate,mortality rate and killing power were drawn,and the population dynamics was analyzed by spectral analysis.The results showed that the survival curve of the population appeared to be a type of Deevey-Ⅲ,and the high mortality of seeding was one of the important reasons which caused Taxus chinensis var. mairei to be endangered.The spectral analysis of the population showed that there was a marked periodic regularity in the process of natural regeneration of Taxus chinensis var. mairei.

Key words: Taxus chinensis var. mairei, Life table, Survival curve, Spectral analysis

CLC Number:

S718.5

HONG Wei, WANG Xingong, WU Chengzhen, HE Dongjin, LIAO Chengzhang, CHENG Yu, FENG Lei. Life table and spectral analysis of endangered plant Taxus chinensis var.mairei population[J]. Chinese Journal of Applied Ecology, 2004, (6): 1109-1112.

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