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一、鄱阳湖水系范围内的植被、土壤及水土流失概况鄱阳湖水系集水面积162,225平方公里,流域内具有代表性的植被类型是亚热带常绿阔叶林。竹林针阔叶混交林、常绿与落叶阔叶混交林、落叶阔叶林和山顶矮林。全省森林覆盖率达33.1％,高于全国平均水平。除森林外自然植被尚有荒山灌丛草坡,沙地植被及草甸植被,后两种类型主要分布于鄱阳湖滨湖地区。江西全省的土壤主要可分为:地带性土壤,非地带性土壤和水稻土三大类。在中亚热带生物气候条件的作用下,江西地带性土
I. Overview of Vegetation, Soil and Soil Erosion in the Poyang Lake Basin Poyang Lake has a catchment area of 162,225 square kilometers. The typical vegetation type in the basin is subtropical evergreen broad-leaved forest. Bamboo and broad-leaved mixed forest, evergreen and deciduous broad-leaved mixed forest, deciduous broad-leaved forest and mountain top forest. The province’s forest coverage rate reached 33.1%, higher than the national average. In addition to the natural vegetation outside the forest there are still scrub mountain slope grassland, sandy vegetation and meadow vegetation, the latter two types are mainly distributed in Poyang Lake area. Soil in Jiangxi province can be divided into three major types: zonal soil, non-zonal soil and paddy soil. Under the influence of the tropical bioclimatic conditions in Central Asia, the zonal soil in Jiangxi Province