我国森林分布在哪里?

2025-04-07 03:54:00
推荐回答(1个)
回答1:

根据我国第六次(2005年)全国森林资源调查的结果,目前我国森林总面积1.75×108公顷,森林覆盖率18.21%,仅相当于世界平均水平的61.52%,居世界第130位,人均森林面积0.132公顷,不到世界平均水平的1/4,居世界第134位。人均森林蓄积9.421立方米,不到世界平均水平的1/6,居世界第122位,人工林保存面积0.53×108平方米,蓄积15.05×108立方米,人工林面积居世界首位。

可见,就世界范围而言,我国森林的面积并不大。但是我国的森林群落类型却十分丰富,基本上囊括了世界上所有的森林群落类型。我国森林分布不均,集中分布于东部和西南部地区,东部地区森林覆盖率为34.27%,中部地区为27.12%,西部地区只有12.54%,而占国土面积32.19%的西北5省区森林覆盖率只有5.86%。

由于我国从南到北地跨热带、亚热带、暖温带、温带和寒温带五个主要气候带,相应形成了热带季雨林带、亚热带常绿阔叶林带、暖温带落叶阔叶林带、温带针叶阔叶混交林带以及寒温带针叶林带等多种主要的森林地带。同时,由于受复杂的地形地貌的影响,各森林地带内常可见各种不同的森林类型。

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