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雅砻江流域湿地景观格局变化分析
  • ISSN号:1004-8227
  • 期刊名称:《长江流域资源与环境》
  • 时间:0
  • 分类:X171.1[环境科学与工程—环境科学] P941.78[天文地球—自然地理学]
  • 作者机构:[1]State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China, [2]Institute of Geographic Sciences and Natural Resources Research, Chinese Academy o/Sciences, Beijing 100101, China, [3]Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
  • 相关基金:financially supported by National Natural Science Foundation of China(Grant No. 51179006);China National Funds for Distinguished Young Scientists (Grant No.51125035);National Science Foundation for Innovative Research Group (Grant No. 51121003);the Program for New Century Excellent Talents in University (NECT-10-0235);the Fok Ying Tung Foundation (Grant No. 132009)
中文摘要:

Zoige 高原沼泽地位于 Qinghai 西藏高原的东北角落。在 Zoige 高原和他们的开车因素的风景模式进化过程被在过去的四十年在风景修正和变换和他们高山的沼泽地的动态率分析动态变化识别。结果证明在沼泽地和非沼泽地之间的风景变换主要从 1966 ~ 1986 发生在时期期间。因为与另外的沼泽地风景相比淹没,从湖和河沼泽地变换的沼泽地沼泽地区域是更大的。同时,沼泽地沼泽地的更大的区域也多于沼泽地的另外的类型被变换成湖沼泽地。修正过程主要在开始的三个时期发生在自然沼泽地风景之中。明显的变换在沼泽地和非沼泽地风景之间被观察(即,林地,草地,和另外的风景) 在 Zoige 高原。而人工的沼泽地美化,象河,湖和沼泽地沼泽地那样的这些自然沼泽地风景在过去的四十年显示出网络损失(即,稻地和池溏沼泽地) 显示出网络减少。整个沼泽地风景的年度动态率是 0.72% ,在哪个河沼泽地的年度动态率最高,由湖沼泽地列在后面,当沼泽地沼泽地有最低的动态率时。动态率显示出的综合风景在开始的三个时期的一个减少的趋势。在沼泽地风景模式的变化被自然因素和人的活动包括地控制,特别人的活动在改变沼泽地风景模式起一个重要作用。

英文摘要:

Zoige Plateau wetlands are located in the northeastern corner of the Qinghai-Tibet Plateau.The landscape pattern evolution processes in the Zoige Plateau and their driving factors were identified by analyzing the dynamic changes in landscape modification and conversion and their dynamic rates of alpine wetlands over the past four decades.The results showed that the landscape conversion between wetlands and non-wetlands mainly occurred during the period from 1966 to 1986.The marsh wetland area converted from lake and river wetlands was larger because of swamping compared to other wetland landscapes.Meanwhile,the larger area of marsh wetlands was also converted to lake wetlands more than other types of wetlands.The modification processes mainly occurred among natural wetland landscapes in the first three periods.Obvious conversions were observed between wetland and nonwetland landscapes(i.e.,forestland,grassland,and other landscapes) in the Zoige Plateau.These natural wetland landscapes such as river,lake and marsh wetlands showed a net loss over the past four decades,whereas artificial wetland landscapes(i.e.,paddy field and reservoir and pond wetlands) showed a net decrease.The annual dynamic rate of the whole wetland landscape was 0.72%,in which the annual dynamic rate of river wetlands was the highest,followed by lake wetlands,while marsh wetlands had the lowest dynamic rate.The integrated landscape dynamic rate showed a decreasing trend in the first three periods.The changes in wetland landscape patterns were comprehensively controlled by natural factors and human activities,especially human activities play an important role in changing wetland landscape patterns.

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期刊信息
  • 《长江流域资源与环境》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国科学院资源环境科学与技术局 中国科学院武汉文献情报中心
  • 主编:许厚泽
  • 地址:武汉市武昌小洪山西区25号
  • 邮编:430071
  • 邮箱:bjb@mail.whlib.ac.cn
  • 电话:
  • 国际标准刊号:ISSN:1004-8227
  • 国内统一刊号:ISSN:42-1320/X
  • 邮发代号:38-311
  • 获奖情况:
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  • 被引量:27358