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《Scientia Agricultura Sinica》 2013-06
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The Research and Control Situation of Ecology and Animal Poisoning of Locoweed in Western Natural Grassland of China

ZHOU Qi-wu,ZHAO Bao-yu,LU Hao,WANG Shan-shan,ZHANG Liang,WEN Wei-li,YANG Xiao-wen(College of Veterinary Medicine,Northwest A&F University,Yangling 712100,Shaanxi)  
Natural grassland is an important production base of grassland and animal husbandry,and it is also a very important ecological barrier in China,so it is a great strategic importance for China to maintain ecological and food security and protect survival environment of human beings and fulfill permanent utilization of grassland.For a long time,some natural and human factors lead to grassland desertification and contagious poisonous weeds in the rangeland,such as grassland drought,overgrazing,blind reclamation,shortages of fund and lagging management.Especially in the last few decades,the rapid spreading of poisonous-weeds have caused some ecological problems such as decrease of vegetation community and biodiversity,single vegetation and desertification,and it seriously affects the grassland ecological balance and the sustainable development of local animal husbandry."Locoweeds" has been a primary poisonous weed in the western natural grassland,and it brings about a billion RMB in economical losses every year.The research history,species and ecological distribution and the situation of the toxicity disaster,the toxic ingredients and mechanism of locoweeds in grassland are summarized in this paper,and the problems of locoweed research in the future are given,it is of great significance for understanding the ecological function of locoweeds and comprehensive control of the locoweed disaster in western natural grassland of China.
【Fund】: 国家自然科学基金(31072175 31201958);; 农业部“十二五”公益性行业(农业)科研专项(201203062)
【CateGory Index】: S859.87;S812.6
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