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“两山精神”壮写大美青海

2017-08-16 05:52:07   中国青年网

据新华社8月15日电 “青海好,青海好,青海的山上不长草,风吹石头跑。”站在青海省西宁市北山山腰上,脚下的这片山地,海拔2200-2800米,按照官方自然地质研究介绍,“山势高峻起伏、地形破碎、土质贫瘠,属于半干旱高原大陆性气候,年降水量仅368毫米,年蒸发量高达1763毫米”。

1989年,青海省委、省政府做出决策,“绿化西宁南北山,改善西宁生态环境”。在全省财政收入仅为6.69亿元的情况下,拿出1350万元正式启动西宁市南北山绿化工程。

青海省南北山绿化指挥部办公室副主任张奎告诉记者,过去28年间,面对严酷的自然环境,西宁南北山绿化工程作为历任青海省委领导持续接力的“一号工程”,绿化荒山31万亩,栽植各类苗木3473万株,总投资21亿元,造林保存率达86%。这其中,南北山形成森林20.97万亩,使得西宁市民人均森林面积由不足8平方米提高到112平方米。目前,西宁南北山已经初步形成了以乡土针叶林为主,乔灌木结合、针阔叶混交的森林生态系统,正在产生巨大的生态效益。

第三方独立评价《西宁市南北两山绿化工程评价报告》数据显示:1989年-2014年,两山森林每年滞尘从0.9万吨增加到7.5万吨;减少土壤流失从每年1.5万吨提高到14.8万吨;涵养水源从每年114万立方米提高到1011万立方米;释放氧气从每年0.21万吨提高到3.87万吨;累计固碳17.6万吨……

党的十八大以来,三江源二期工程、祁连山生态保护与综合治理工程林业项目扎实推进,重点生态功能区生态承载力稳步提升。加大防沙治沙力度,5个示范区、8个封禁保护区建设有序推进,“人进沙退”成效不断巩固。湟水流域等重点区域绿化规模空前,建成环西宁市、平安区百公里城市绿色景观廊道,交通干线、景观主线、生态绿线初具规模。实施玉树市、河南县等12处湿地保护与恢复项目,新增国家湿地公园4处,在全国率先建立湿地生态管护员制度。

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