黑龙江省中部山区山杨阔叶混交林林分特征分析  

Characteristics of Stands of Populus davidii Broad-leaved Mixed Forest in Central Heilongjiang Province

作　　者：杜宏志[1] 高梓深[1] 戴玉伟[1] Du Hongzhi;Gao Zishen;Dai Yuwei(Academy of Forest and Environment of Heilongjiang Province,Qiqihar 161005,China)

机构地区：[1]黑龙江省森林与环境科学研究院,黑龙江齐齐哈尔161005

出　　处：《防护林科技》2018年第10期45-47,共3页Protection Forest Science and Technology

摘　　要：在黑龙江省中部山区山杨阔叶混交林内设立样地2个,经调查对林分的树种组成和直径分布进行了分析研究,结果表明:山杨阔叶混交林组成树种为13～14种,山杨占有绝对的优势,为主要树种,其次是榆树、椴树、核桃楸和色木槭。林分直径分布呈多峰山状分布或呈近似的反"J"形分布。Two survey plots were established in the mixed forest of Populus euphratica in central Heilongjiang Province.The tree species composition&diameter distribution of the stand were analyzed.Result shows that the number of tree species in the mixed forest of Populus euphratica are 13-14 species.Populus davidii has an absolute advantage,mainly composed of tree species,followed by Ulmus pumila,Tilia tuan,Juglans regia&Acer mono,which are associated tree species.The diameter distribution of the stand is multi-peak mountain-like distribution or has an approximate anti-J shape.

关 键 词：天然次生林 阔叶混交林 直径分布 空间结构特征 

分 类 号：S792.114[农业科学—林木遗传育种]