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《Acta Geoscientica Sinica》 2009-02
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Study of Fragile Ecosystem Reconstruction Technology in the Karst Peak-cluster Mountain

JIANG Zhong-cheng1),LI Xian-kun2),ZENG Fu-ping3),QIU Si-jie4),DENG Yan1),LUO Wei-qun1),QIN Xiao-qun1),XIE Yun-qiu1),LAN Fu-ning1) 1) Institute of Karst Geology,CAGS,Guilin,Guangxi 541004,China;2) Guangxi Institute of Botany,Chinese Academy of Sciences,Guilin,Guangxi 541006,China;3) Institute of Subtropical Agriculture Ecology,Chinese Academy of Sciences,Changsha,Hunan 410125,China;4) Guangxi Technical Center of Integrates Exploitation of Mountains,Nanning,Guangxi 530012,China  
The land arrangement of over 1500 hm2 karst peak-cluster demonstration area in Guohua of Pingguo,Nongla of Mashan and Guzhou of Huanjiang,Guangxi,was completed.Lots of techniques and methods were studied and put into practice in 2008,such as land consolidation,exploitation of five epikarst springs,construction of more than 3000 m3 water tanks and utilization of biological mulching technology to extend the soil water re-taining phase.Meanwhile,more than 400 hm2 forests were cultivated on the basis of collection and direct sowing of 200 kg seeds and artificial induction,and a plant area of more than 200 mu was cultivated by introducing 20 kinds of forage species.With these techniques and methods,some good results were achieved.A new ecological industry was formed,many economic crops like Hyloceseus,Lonicera japonica,Ilex Latifolia Thunb,piqeon pea,Clausena lansium and grass were planted for breeding cattle.As a result,the ecological rehabilitation model and matching technology have been perfected in peak-cluster depressions under different conditions,the annual mean income of local people has increased by 20%,rocky desertification has been controlled and ecoenvironmental monitoring has been strengthened.Significant progress has been made in quite a few research aspects,such as the change of karst environment and soil quality,the process of soil and water loss,the utilization and movement of water in the ecosystem,and the vulnerability and ecological service function evaluation of the karst ecosystem.In addition,more than 30 papers have been published and 12 postgraduates have been trained.
【Fund】: 国家科技支撑计划课题“喀斯特峰丛山地脆弱生态系统重建技术研究”(编号:2006BAC01A10)资助
【CateGory Index】: X171
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【Citations】
Chinese Journal Full-text Database 10 Hits
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10 Zhang Wei1,2,Chen Hongsong1,2,Wang Kelin1,2,Zhang Jiguang3,Hou Ya1,2(1.Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 410125,China;2.Huanjiang Experimental Station of Karst Ecosystem,Chinese Academy of Sciences,Huanjiang 547100,China;3.Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008,China);Spatial variability of soil nutrients on hillslope in typical karst peak-cluster depression areas[J];Transactions of the Chinese Society of Agricultural Engineering;2008-01
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 WU Hua-ying et al (School of Environmental Studies,China University of Geosciences,Wuhan,Hubei 430074);Research on Vertical Distribution of Chemical Composition in Lime Soil Profile in Huixian,Guilin[J];Journal of Anhui Agricultural Sciences;2009-20
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5 LIU Xi-jun,WU Ze-min,HUANG Qing-feng (School of Forestry and Landscape Architecture,Anhui Agricultural University,Hefei 230036);Spatial pattern analysis of forest landscape of Xiaokeng small basin in Laoshan Natural Conservation Area in Anhui Province[J];Journal of Anhui Agricultural University;2009-04
6 ZHANG Xin-bao1,2,WANG Ke-lin3(1.Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu 610041,PR China;2.State Key Laboratory of Environmental Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550002,PR China;3.Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 41012,PR China);Ponderation on the Shortage of Mineral Nutrients in the Soil-Vegetation Ecosystem in Carbonate Rock-distributed Mountain Regions in Southwest China[J];Earth and Environment;2009-04
7 ZHANG Xiao-nan1,2,3,WANG Ke-lin1,2,ZHANG Ming-yang1,2,3,ZHANG Wei1,2,FAN Fei-de1,2,3(1.Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 410125,China;2.Huanjiang Observation and Research Station of Karst Ecosystem,Chinese Academy of Sciences,Huanjiang 547100,China;3.Graduate University of Chinese Academy of Sciences,Beijing 100049,China);GRADIENT ANALYSIS OF LANDSCAPE PATTERN IN KARST AREA UNDER EFFECTS OF ANTHROPOGENIC ACTIVITIES[J];Resources and Environment in the Yangtze Basin;2009-12
8 YAN Jing-cai1,2,CHEN Jin-long2(1.Turfgrass Research Institute,Beijing Forestry University,Beijing 100083,China;2.Animal Nutrition Institute,Hunan Agricultural University,Changsha 410128,China);Effects of N,P,K and their combinations on yield and benefit of hybrid Pennisetum purpureum cv. Guimu No.1 grown in field bund[J];Pratacultural Science;2009-12
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