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当前位置: 首页 > 文章 > 滇西南旱冬瓜天然林的林分特征研究 西部林业科学 2012,41 (5) 63-67
Position: Home > Articles > Study on Stand Characteristics of Alnus nepalensisNatural Forest in Southwest Yunnan Journal of West China Forestry Science 2012,41 (5) 63-67

滇西南旱冬瓜天然林的林分特征研究

作  者：
陈伟;陈宏伟;杨斌;史富强;陈绍安;李江;孟梦;冯弦;刘际梅
单  位：
普洱市林业科学研究所;云南省林业科学院;国家林业局重点开放性实验室云南珍稀濒特森林植物保护和繁育实验室
关键词：
旱冬瓜;天然林;生长特性;群落特征
摘  要：
为探讨速生乡土树种旱冬瓜生长特性,对滇西南864株旱冬瓜优良植株生长情况进行调查及统计分析,并选择宁洱县松山自然保护区旱冬瓜天然林开展群落调查。结果表明,旱冬瓜优良资源主要分布于阴坡及半阴、半阳坡,其生活习性偏向于阴性,25°以下的平缓坡面适宜旱冬瓜植株的自然生长;旱冬瓜占优势的自然群落具有乔木层、灌木层、草本层和层间附生植物,群落植物种类丰富,区系成分复杂,主要以热带和温带成分组成为主,其中热带分布属占绝对优势,并呈现出一定的过渡性特征。
译  名：
Study on Stand Characteristics of Alnus nepalensisNatural Forest in Southwest Yunnan
作  者：
CHEN Wei1,2,CHEN Hong-wei2,YANG Bin2,SHI Fu-qiang3,CHEN Shao-an2,LI Jiang2, MENG Meng2,FENG Xian2,LIU Ji-mei2(1.Yunnan Laboratory for Conservation of Rare,Endangered & Endemic Forest Plants,Public Key Laboratory of the State Forestry Administration; Yunnan Provincial Key Laboratory of Cultivation and Exploitation of Forest Plants,Kunming Yunnan 650201,P.R.China; 2.Yunnan Academy of Forestry,Kunming Yunnan 650201,P.R.China;3.Pu'er Institute of Forestry,Pu'er Yunnan 665000,P.R.China)
关键词：
Alnus nepalensis;natural forest;growth characteristics;community structure
摘  要：
In order to find out the growth and stand characteristics of Alnus nepalensis,a fast-growing indigenous species of Yunnan,based on the investigation data of 864 individuals during earlier stage superior tree selection work,the natural Alnus nepalensis communities located at Songshan Nature Reserve of Ning'er county were surveyed.The results indicated that the excellent resources of Alnus nepalensis were mainly distributed at shady slopes and semi-shady slopes,with the life habit of prefer shade,gentle slope under 25° was suitable for the natural growth of Alnus nepalensis.As far as the Alnus nepalensis natural community was concerned,the structure could be divided into tree layer,shrub layer,herbaceous layer and epiphytes between layers,the species composition was quite rich,and the floristic components were complicated,with the tropical and temperate especially the tropical elements as the dominant part,showed the transitional characteristics to some extend.

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