, 1997),它们亦被用 来预测林木对气候改变的反应,此种反应可用于评估目标树种在森林群落 (forest communities )的竞争力、分布地理范围和族群密度(Kramer and 18 Mohren,1996)。
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mixed forest communities 混交林群落
typical forest communities 典型群落
tropical forest communities 热带森林群落
Natural forest communities 自然森林群落
Subalpine forest communities 亚高山森林群落
artificial forest communities 人工林群落控制
secondary forest communities 次生林群落
complexity of forest communities 群落复杂性
forest bird communities 森林鸟类群落
There are three layers in forest communities including tree layer,shrub layer and grass layer. Most trees’ height is below 20 m,while the diameter of breast height is under 12 cm.
研究表明森林群落在群落结构上分为乔木层、灌木层和草本层3个层次,乔木层树木高度多在20 m以下,胸径在12 cm以下个体可达89.85%;灌木层个体高度一般不超过2 m,以乔木层幼苗幼树居多;草本层高度在0.5 m以下。
参考来源 - 桂西南喀斯特植被群落特征研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Fig. 1 Samples distribution of representative forest communities in China.
图1中国主要森林类型的代表性群落监测样地布局。
By definition, the forest communities consist of the poorest people in the state.
根据定义,林业社区由国家最穷的人组成。
Latin America has done more to legally recognise the tenure rights of indigenous peoples and forest communities.
拉美在法律承认土著人和森林居民对森林所有权方面做得要好一些。
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