摘要
以样地调查和树木径级数据为依据,运用静态生命表和生存分析理论,调查了小陇山山门林区锐齿栎种群的年龄结构、静态生命表、存活曲线和生存分析方法,并绘制相应的表格和曲线图。分析结果表明:锐齿栎种群年龄结构呈趋于稳定型种群,存活曲线呈Deevey-Ⅱ稳定型。锐齿栎种群动态表现为前期衰退、中期增长、后期稳定。
This paper analyzed theage structure,time-specific life table,survival curve and survival analysis of Quercus aliena var acuteseratapopulations in the mountain forest of XiaolongshanIt also drew the corresponding charts and graphs,all of that based on sample survey and tree'diameter data,and in the time-specific life table and theory of survival analysis.The result shows that theage structure of Quercus aliena var acuteseratapopulations is type;the survival curve is Deaver-Ⅱstable.and the population dynamics show recession in the early stage;growth in the middle stage;stabilization in the later stage.
作者
常文峰
焦健
Chang Wenfeng;Jiao Jian(College of Forestry,Gansu Agricultural University,Lanzhou,Gansu,730070,China)
出处
《绿色科技》
2018年第11期21-24,共4页
Journal of Green Science and Technology
关键词
锐齿栎
种群数量动态
年龄结构
静态生命表
存活曲线
小陇山
Quercus aliena var acuteserata
population size dynamics
age structure
time-specific life table
survival curve
Xiaolongshan
