Chrome Extension
WeChat Mini Program
Use on ChatGLM

吉林露水河林区灯台树种质资源初步研究

Journal of Jilin Forestry Science and Technology(2017)

Cited 0|Views10
No score
Abstract
以吉林省露水河林区灯台树野生群体为材料,采用样地调查法对其种质资源进行初步调查与分析,结果表明:在3个样地中,以下坡位3号样地生长的植株最多,密度可达349株·hm-2,其中以胸径5~10 cm植株占优势,密度为207株·hm-2,并生长有胸径30 cm、树高16.7 m高大个体.中坡位2号样地密度也较大,为277株·hm-2,而且天然更新极好,幼苗幼树密度为214株·hm-2.在上坡位1号样地中,单位面积密度亦达到149株·hm-2.该林区林地坡度较大地段针阔混交林或杨树纯林是野生种群最为适宜的立地生境.野生植株生长发育正常,无林业有害生物与冻害危害.
More
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined