To study the variation of aero-anion concentration in forest recreational areas, the concentrations of aero-ion were measured under different vegetation types in Guilin National forest Park.
在桂林国家森林公园选择不同的植被群落类型进行空气离子浓度监测，研究森林游憩区空气负离子浓度水平变化。
This paper, from the point of vegetation geography view, analysis and investigate the geography environment of the forest envolving law, features of district and groupe, types of plants etc.
本文以植被地理的角度，分析和研究了该森林的地理环境、演变规律、区系特征和植被类型。
Forest vegetation was classified into 3 vegetation type groups, 9 vegetation types, 41 association.
森林植被可划分为3个植被型组，9个植被型，41个群系。
The environment factors were classified into 4 types such as topography variables, vegetation variables, human disturbance factors and forest harvest variables.
根据研究地区现状，将研究地区生境因素划分为森林采伐、植被、地形、人为干扰4类。
Quercus aliena var. acuteserrata forest is one of the most important vegetation types of Qinling mountain.
锐齿栎林是秦岭植被中最重要的类型之一。
Quercus aliena var. acuteserrata forest is one of the most important vegetation types of Qinling mountain.
锐齿栎林是秦岭植被中最重要的类型之一。
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