1) Pinus bungeana population
白皮松种群
2) Pinus bungeana Zucc. et Endl community
白皮松群落
1.
In this paper ,the valley of the Yongning River and Maiji mountain are two big sampling landses where we selected to study ecology feature of Pinus bungeana Zucc.
本文选取徽县永宁河流域的白皮松林及天水麦积区麦积山的白皮松林为两大取样地,研究白皮松群落的生态学特征。
3) Glyptostrobus pensilis population
水松种群
4) Pinus tabulaeformis population
油松种群
1.
Dynamic characteristics of hillsides-closed afforested Pinus tabulaeformis population in Huanglongshan forest zone;
黄龙山林区封育油松种群动态研究
2.
Spatial distribution pattern of Pinus tabulaeformis population in Taiyue Mountain,Shanxi Province
山西太岳山油松种群的空间分布格局
3.
With the method of spatial sere substituting for time sere,by trunk size structure in place of age structure,using life table and survival analysis,the structure and dynamics of Pinus tabulaeformis population at different elevation on the Southern slope of Houqiao were studied.
以种群径级结构代替年龄结构,采用静态生命表和生存分析方法,研究了平陆县后其凹山南坡不同海拔油松种群结构和动态规律。
5) Pinus densiflora population
赤松种群
1.
By using the probability distributions and aggregation intensity indxes, the types of spatial patterns and intensity of Pinus densiflora population in Shandong Province were preliminarily studied.
利用分布类型和聚集强度指数对山东主产区赤松种群的空间分布型及强度进行了初步研究 。
6) Juniperus rigida population
杜松种群
1.
In order to characterize the age structure and dynamics of the Juniperus rigida population so as to better conserve its resources,the static life table,the curves of survivorship,mortality rate of the population were drawn.
结果表明:杜松种群数量少,幼苗更新不良,属于衰退型种群。
补充资料:白皮松
白皮松 Pinus bungeana 松科常绿乔木。又称白松。树高可达30米。树皮片状脱落,露出白色内皮。球果圆锥状卵形,种子有短翅。分布于山西、河北等广大地区。喜光、喜湿润山坡。木材纹理直,轻软,加工后有光泽和花纹,供细木工用。其树姿优美,树皮奇特,可供观赏。
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