先锋林场的土壤生态类型及其合理开发利用  

SOIL ECOTYPES AND THEIR RATIONAL EXPLOITATION AND UTILIZAION IN XIANFENG TREE FARM

作　　者：许林书[1] 

机构地区：[1]东北师范大学

出　　处：《东北林业大学学报》1990年第S3期148-153,共6页Journal of Northeast Forestry University

摘　　要：土壤生态类型能够全面反映区域土壤资源及其生态因子的综合特性,规定和制约着区域土壤的生产潜力和利用方向。土壤生态类型的划分,对山区自然资源的立体开发,进行山区生态经济建设,具有重要意义。 依兰县先锋林场土壤生态系统,由于地形的垂直分化作用,分化为不同的土壤生态类型,有河谷平地草甸土生态类型;低山丘陵暗棕壤生态类型;河谷洼地沼泽土生态类型。这些不同的土壤生态类型在以林为主的低山丘陵区的生态经济建设中,其利用方向和建设措施不同。 景观生态学异质共生理论,对山区各种土壤生态类型的合理开发建设具有普遍指导意义。Soil ecotype may reflects synthetic characteristics of regional soil resources and their ecological factors, and controls productive potency and utilizing direction of regional soil. Division of soil eeotype has a important significance to exploiting natural resources and developing ecological economy in mountain areas. To the soil eco-system in Xianfeng Tree Farm, Yilan county, vertical differentiation of topography causes differentiation of soil ecotypes: valley flat-meadow soil ecotype; valley depression-bog soil ecotype; hills and low mountains-dark brown forest soil ecotype. These ecotypes have different utilizing direction and constructing measures in ecological economy regarded forest as main objects in hills and low mountains areas. The theory of heterogreous symbiosis in landscape ecology is of universal directed significance for how to exploit and construct these ecotypes in mountain areas.

关 键 词：土壤生态系统 土壤生态类型 异质共生 

分 类 号：S7[农业科学—林学]