先锋林场立地生态类型的划分

ECOLOGICAL SITE CLASSIFICATION OF XIANFENG FOREST FARM

本文应用Hills提出的方法,对先锋林场进行了立地生态分类。地形是林场土地要素分异的主导因素,通过研究各要素与地型的相互关系来揭示各土地要素的分异规律,此法在地形起伏大的地区很有效。通过研究,在林场境内划出七个地形—土壤单元。最后在林场范围内以特征有效性级别与标准,概括出13个立地生态类型。在此基础上,根据林场的立地生态类型特点,在人地共生思想指导下,对林场生态经济建设提出了原则性建议。

In this paper, the site ecological classification is made for the territory of Xianfeng Forest Farm, by using the method of Hills. Owing to the outstanding diffeerentiating action of landform on the other components of land in the tree farm, the regional differentiating laws of the components are revealed conveniently through the studies of the interrelations between the landform and each of the components. It is effective that each land components are studied by the use of the interrelations in the rolling greatly area. Followed by the relationships between topography and soilsin the tree farm, seven soil-topography units are defined. At last, thirteen ecological site types are summarized, taking the effective classes as the criteria. On the basis of the analysis, some principal proposals about eco-economic construction of the tree farm are put forward under the idea of Symbiosis between man and natural environment.