西双版纳西南桦人工林幼林期的植物群落学特征比较  被引量:3

Coenological Characteristics of Betula alnoides Artificial Young Forest in Xishuangbanna

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作  者:王卫斌[1,2] 童清 杨德军[2] 曹建新[2] 

机构地区:[1]云南大学生命科学学院,云南昆明650091 [2]云南省林业科学院,云南昆明650204 [3]普洱市林业科学研究所,云南普洱665000

出  处:《西部林业科学》2009年第1期15-22,共8页Journal of West China Forestry Science

基  金:国家林业局中试项目-云南热带珍贵阔叶树种可持续造林技术示范(2003-09)

摘  要:通过对在西双版纳普文试验林场所营造的2种13年生西南桦人工林及与当地原生植被山地雨林的植物群落学特征比较性的研究,得出:(1)13年生(幼林期)的西南桦人工林的植物物种组成丰富,计有维管柬植物60~109种,分属于33—59科、56~92属,在山地雨林采伐迹地上经炼山整地后营造的西南桦人工林1,其植物物种丰富度最高,超过了当地地带性植被山地雨林(48科、76属、83种);(2)2种13年生西南桦人工林以高位芽植物(占75.00%~76.14%)、中型叶植物(占71.67%~74.31%)、单叶植物(占78.90%~83.33%)、全缘叶植物(占77.06%~78.33%)、中生植物为主;(3)西南桦人工林的植物物种组成和外貌特征与原生植被和次生裸地状况密切相关;(4)利用先锋树种采用近自然的人工林经营方式可加速其向地带性植被演替的进程。The coenological characteristics of two kinds of 13 years old Betula agnoides artificial forests grew in Puwen experimental forest farm of Xishuangbanna were compared and studied. The study results are as follows: 1 ) The total number of plant species in the communities is 60 - 109, representing 56 - 92 genera and 33 - 59 families, the species richness of B. alnoides artificial forest established on logging plot was the highest among three study tar- gets; 2) Phaenerophytes are dominant in the communities, accounting for 75.00 % - 76. 14 %. Conceming about the leaf characteristics, the communities is composed mainly of leaves whose characteristics are mesophylls (71.67 % - 74. 31%), single (78.90%- 83.33 %), entire (77.06% - 78.33%), mesophytearedom- inant; 3 ) Composition and characteristics of B. alnoides artificial communities are closely related to the condition of native vegetation; 4) Applying the pioneer species, and adopting the management method of near to nature can speed up the succession to zonal vegetation.

关 键 词:西双版纳 西南桦人工林 幼林期 植物群落学特征 

分 类 号:Q949.783.5[生物学—植物学]

 

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