摘要
简要分析了嘉陵江流域中段即南充地区近50年来森林资源的演变及现状,即区内林业用地面积、有林地面积及其时空格局动态,林木种质资源现状,森林资源利用潜力,森林植被及森林覆盖率动态,森林蓄积及森林动物资源的演变等.得出区内森林资源相对匾乏,分布不均,亟待保护和发展.
The Evolution and current condition of forest resources in the middle reaches of the Jialing River(Nanchong region)ddring the last 50 years are analyzed, including the dynamics Of the forested land aeras and their distribution patterns, the current condition Of forest tree germ plasm resources, the utilizable POtentiality of forest resources, foe dynamics Of forest cover - plants and forest cover percent, the evolution of forest store and forest wildlife. It is shown that the region is short of forest resources.
出处
《四川师范学院学报(自然科学版)》
1999年第2期172-177,共6页
Journal of Sichuan Teachers College(Natural Science)
关键词
森林资源
嘉陵江流域
演变
南充市
保护
forestry resources, dynamics, Jialing Rive basin, Nanchong City.