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地球学报  2009 

岩溶峰丛山地脆弱生态系统重建技术研究

DOI: 10.3975/cagsb.2009.02.03

Keywords: 岩溶峰丛山地,石漠化,综合治理,生态重建

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Abstract:

2008年,在广西平果果化、马山弄拉、环江古周等典型峰丛山地示范区,实施了土地整理,开发表层岩溶泉5个,兴建调蓄水资源水柜3000多方。采用生物覆盖技术延长了土壤保水期。通过育苗20余万株、采种直播200kg,人工诱导使育林面积达400hm2,引进20种牧草种植面积200多亩。构建了果-草-养殖-沼、粮-草-养殖-沼、林-草-养殖、林-粮-养殖等复合模式。形成了火龙果、金银花、苦丁茶、木豆、黄皮、种草养牛等新生态产业,完善了不同环境峰丛洼地的生态重建模式与配套技术。农民年收入增加20%以上,石漠化得到了有效治理。加强了生态环境监测,在岩溶环境与土壤质量变化、水土流失过程、生态系统水分运移与利用、岩溶生态系统脆弱性评价与生态重建服务功能评价等方面取得显著进展,发表论文30多篇,培养研究生12人。

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