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小陇山国家级自然保护区油松种群更新及生存()

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《山地学报》[ISSN:1008-2186/CN:51-1516]

Title:: The Regeneration and Survival of Pinus tabulaeformis Carr. Population in Xiaolongshan Nature Reserve

作者:: 巨天珍;米彩燕;师贺雄;宋小伟;张彦文;张宋智;; 1. 西北师范大学,甘肃兰州 730070；
2.甘肃省生物电化学与环境分析重点实验室,甘肃兰州 730070；
3.天水小陇山林科所，甘肃天水 741022

Author(s):: JU Tianzhen; MI Caiyan; SHI Hexiong; SONG Xiaowei; ZHANG Yanwen; ZHANG Songzhi; 1. Northwest Normal University，Lanzhou 730070，China；
2.Gansu Province Biological Electrochemistry and Environmental Analysis Laboratory，Lanzhou 730070，China；
3.Forestry Research Institute of Xiaolong Mountains Forestry Experimental Bureau，Tianshui 741020，China

Keywords:: Pinus tabulaeformis Carr; population life table; age structure; regeneration

摘要:: 以种群生命表及生存分析理论为基础,以林木径级结构代表年龄结构,采用分段匀滑技术,编制小陇山自然保护区油松种群特定时间生命表,绘制死亡率曲线、消失率曲线、存活曲线、生存函数曲线,分析种群数量动态特征,并对其年龄跟胸径进行线性回归。结果表明:1.油松种群年龄结构表现为稳定型。2.油松种群死亡率和消失率曲线变化趋势基本一致,存活曲线趋于Deevey-Ⅱ型。4个生存函数曲线表明,油松种群具有前期稳定、中后期锐减和末期衰退的特点。3.油松年龄与其胸径线性相关。

Abstract:: The static life table of Pinus tabulaeformis Carr. populations in the Xiaolongshan Nature Reserve in Gansu was compiled based on the population life table and theory of survival analysis using the age class structure represented by DBH class and smoothing out technique. The survival rate curve，the mortality rate curve，vanishing rate curve and survival function curve were determined，Analysis of population dynamics. And DBH and its age，with linear regression analysis. The results showed：1. Pinus tabulaeformis Carr. population Age structure were stable；2. Pine mortality and disappearance rates of population trends are basically the same curve. and the survival curve of the populations was Deevey type Ⅱ，Four survival functional curves showed that the Pinus tabulaeformis Carr. populations grew stably at young stage，decreased very quickly at mature stage and declined at old stage；3.The age and DHB of Pinus tabulaeformis Carr. are linear regression.

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备注/Memo:: 收稿日期(Received date)：2011-09-06；改回日期(Accepted) : 2011-12-08。
基金项目（Foundation item）：国家自然科学
基金项目（41161080）和甘肃省科技计划项目(2010GS05134) 。\[The National Natural Science Foundation of China（41161080）and the Science and Technology Projects of Gansu Province(2010GS05134).\]
作者简介（Biography）：巨天珍,(1965-)，女，教授，环境科学与工程系主任，实验室主任，硕士，研究方向为城市生态学。 \[Ju Tianzhen, (1965-)，female，professor of North West Normal University，mainly engaged in city ecology.\]E-mail:jujutz@126.com
通讯作者（Author for Correspondence) ：米彩燕，(1987-)，女，硕士研究生，主要从事城市生态学方向的研究。\[Mi Caiyan，(1987-)，female，master degree candidate，mainly engaged in city ecology.\] E-mail：micaiyan_3344@126.com

更新日期/Last Update: 1900-01-01