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shan dong sheng shan qu jian she de sheng tai xue dui ce
Author(s): 
Pages: 34-37
Year: Issue:  3
Journal: Rural Eco-Environment

Keyword:  生态学对策山区建设生态系统理论森林覆被率砂石山鲁中南水土流失青石山泰山胶东半岛;
Abstract: <正> 山东地处黄河下游,位于北纬34°20′—35°30′,东经114°45′—122°45′之间,属温带季风气候区,年平均气温11—14℃,极端最低气温为-18℃—-24℃,极端最高气温为34—42℃,≥10℃的积温一般在3,800—4,600℃;年降水量在600—800mm左右,多集中在6、7、8三个月,约占全年降雨量62%;相对湿度在60%以上;干燥度一般1.0—1.5左右。山地丘陵55,900km~2,占全省土地总面积的35%,按地质构造与岩石组成,分为砂石山(岩浆岩)与青石山(沉积岩)两大类,砂石山占山丘面积的73%,青石山约占山丘面积的27%。 山东的山区主要集中在鲁中南山区与胶东半岛两个地区。鲁中南山区包括泰山、沂山、
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