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秦巴山区的历史变迁与生态重建 被引量:4

Historical Changes and Eco-reestablishing Strategy for Qinba Mountain Region
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摘要 秦巴山区历史上森林覆盖面积较大 ,野生珍稀动植物较多。但自 1 8世纪中叶以来 ,随着人口的大量迁入和增殖 ,乱垦滥伐 ,森林植被遭到严重破坏 ,生态环境逐渐恶化。秦巴山区生态重建 ,恢复植被是前提 ,重点是生物区系地理成分的恢复 ;保护生物的多样性是基础 ,应当高度重视和充分发挥天然生物种质“基因库”的作用 ;山川兼治是重要途径 ,山川结合 ,综合治理 ;生态效益和经济效益并重是生态重建的有力保证。秦巴山区综合治理模式研究课题组通过多年的试验示范 ,分别提出了“林 -草 -牧”、“粮 -果 -牧”和高效农业型模式及相应的配套技术 ,并且在试验区取得成功 ,同时辐射和带动了所在县及周边地区农业生产和经济的稳定增长 ,产生了良好的经济。 Before 18th Century , the region of Qinba mountain was covered by forest and had many wild valuable animals and plants.From mid 18th century,with the population migrating and increasing,over cultivation has damaged vegetation,deteriorated the eco environment of the region.The prerequisite of reestablishing the region is to recover vegetation,the focal point is to recovering the biological area with geograhical ingredients.The basis is to protect the diversity of organisms.Meanwhile,the action of natural organism's 'gene bank'should be attached with great importance and used.The best scheme is the integrated management,in other words,mountain aeras and plains must be managed together.The ecological and economic results are of the same importance,which can ensure the success of management.The task group posed some models and techs of 'forest-grass-animal husbandry', 'grain fruit animal husbandry'by trailling and demonstrating.The trail and demonstrating program were successful in the experimental area,meanwhile,it promoted the agriculture production and economic increase of locality and surrounding regions,produced good economic,social and eco results.
出处 《西北农林科技大学学报(社会科学版)》 2002年第2期12-16,共5页 Journal of Northwest A&F University(Social Science Edition)
基金 农业部陕西丹凤县旱作农业示范区建设 (农计函 1999- 118) 陕西省科技厅秦巴山区综合治理模式的研究项目
关键词 秦巴山区 历史变迁 生态建设 模式 the region of Qinba mountain historical change eco-reestablishing model
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