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中国沙漠  2012 

羊啃食动力学模拟与内蒙古西部气候变化适应

Keywords: 动物啃食,气候变化,影响与适应,草地退化,政策评估

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Abstract:

将定性分析、民主参与式评估和定量数值模拟方法结合起来,对阿拉善气候变化适应问题进行了简要评估并重点分析了土地退化、放牧和草原管理策略之间的关系。阿拉善主要的适应政策是禁牧和生态移民。禁牧后荒漠草原植被得到恢复,但移民增加了绿洲压力,过度开垦又造成周边土地沙化;过度抽取地下水致使水位下降并伴随咸水入侵和地表盐碱化。禁牧的另一个副作用是造成草原鼠害加重及火灾风险增加,生物多样性也呈现先升后降趋势。一些灌木因缺乏啃食出现退化迹象等,说明一定程度的啃食有利于维持草原生态平衡。因此,动物是草原生态系统不可或缺的成员之一。我们用一个包含动物啃食等的森林生态动力模式模拟了啃食动力学,结果表明,有限的放牧有利于草场更新并能充分利用草原资源;过度放牧导致草场退化并伴随羊群死亡。因此,需要将圈养和限制性放牧结合起来,制定可持续性适应政策。

References

[1]  Kramer K,Baveco H,Bijlsma R J,et al.Landscape forming processes and diversity of forested landscapes-description and application of the model FORSPACE[R].Wageningen,Alterra,Green World Research.Alterra Report 216,2001:168.
[2]  Kramer,K,Groen T A,van Wieren S E.The interacting effects of ungulates and fire on forest dynamics:an analysis using the model FORSPACE[J].Forest Ecology and Management,2003,181:205-222.
[3]  Kramer K,Groot Bruinderink G W T A,Prins H H T.Spatial interactions between ungulate herbivory and forest management[J].Forest Ecology and Management,2006,226(1-3):238-247.
[4]  Wieren S E V.Do large herbivores select a diet that maximizes short-term energy intake rate?[J].Forest Ecology and Management,1996,88:149-156.
[5]  Dai X G,Wang P,Zhang P Q,et al.Rainfall spectrum change in north China and its possible mechanism[J].Progress in Natural Science,14(7):598-604.
[6]  阿拉善年鉴编写组.阿拉善盟左旗年鉴[M].呼和浩特:内蒙古教育出版社,2000:272-273.
[7]  Werners S,Tabara J D,Dai X G,et al.Final Results of the Regional Case Studies[R].ADAM Project Final Report,D-P3D.4(M39),2009:60-63.
[8]  朱宗元,梁存柱,王炜,等.阿拉善荒漠区的景观生态分区[J].干旱区资源与环境,2000,14(4):37-48.
[9]  中国农业科学院草原研究所.中国饲用植物化学成分及营养价值表[M].北京:农业出版社,1988:1-217.
[10]  国家地图集编篆委员会.中华人民共和国国家自然地图集[M].北京:中国地图出版社,1999:122-123.
[11]  孙睿,朱启疆.中国陆地植被净第一性生产力及季节变化研究[J].地理学报,2000,55(1):36-45.
[12]  李贵华,韩书润.阿拉善盟草场保护与生态牧业管理[M].北京:中国农业科学技术出版社,2009:44-46.
[13]  阿拉善盟地方志编篆委员会.阿拉善盟志[M].北京:地方志出版社,1998:307-321.
[14]  Bai Y F.Question to‘Grassland conservation and building ecological barrier through breading camel’[J].Acta Phytoecologica Sinica,2002,26(6):748-749.
[15]  Solomon S,DH Qin,M Manning,et al.Climate Change 2007:The Physical Science Basis.Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change[M].Cambridge and New York:Cambridge University Press,2007:1-996.
[16]  《气候变化国家评估报告》编写委员会.气候变化国家评估报告[M].北京:科学出版社,2007:1-422.
[17]  Hulme M,Neufeldt H.Making Climate Change Work for Us:European Perspectives on Adaptation and Mitigation Strategies[M].Cambridge:Cambridge University Press,2009:137-164.
[18]  Tao S,and Chen L X.A review of recent research on the east Asian summer monsoon in China[M]//Chang C P,Krishnamurti T N.Monsoon Meteorology.New York:Oxford University Press,1987:60-92.
[19]  王涛,颜长珍,宋翔.近30 a内蒙古阿拉善盟不同生态系统土地利用动态遥感监测[J].中国沙漠,2008,28(6):1001-1004. 浏览
[20]  张钛仁,张玉峰,柴秀梅,等.人类活动对我国西北地区沙质荒漠化影响与对策研究[J].中国沙漠,2010,30(2):228-234. 浏览
[21]  张凯,司建华,王润元,等.气候变化对阿拉善荒漠植被的影响研究[J].中国沙漠,2008,28(5):879-885. 浏览
[22]  安成邦,陈发虎.中东亚干旱区全新世气候变化的西风模式——以湖泊研究为例[J].湖泊科学,2009,21(3):329-334.
[23]  李晋昌,董治宝,王训明.中国北方东部地区春季降尘量及其环境意义[J].中国沙漠,2008,28(2):195-201. 浏览
[24]  冯鑫媛,王式功,程一帆,等.中国北方中西部沙尘暴气候特征[J].中国沙漠,2010,30(2):394-399. 浏览
[25]  Ma Z G,Fu C B.Evidences of drying trend in the global during the later half of 20th century and their relationship with large-scale climate background[J].Science in China(Series D),2007,50(5):776-788.
[26]  傅华,陈亚明,周志宇,等.阿拉善荒漠草地恢复初期植被与土壤环境的变化[J].中国沙漠,2003,23(6):661-664.
[27]  Hopkins A,Wainwright J.Changes in botanical composition and agricultural management of enclosed grassland in upland areas of England and Wales,1970-1986,and some conservation implications[J].Biological Conservation,1989,47(3):219-235.
[28]  周志宇,付华,陈亚明,等.阿拉善荒漠草地恢复演替过程中物种多样性与生产力的变化[J].草业学报,2003,12(1):34-40.

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