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首页> 外文会议>2010 International Conference on Multimedia Technology >Wetland Landscape Changes of Daqing River Downstream in the Last 15 Years
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Wetland Landscape Changes of Daqing River Downstream in the Last 15 Years

机译：近15年大庆河下游湿地景观变化。

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摘要

Based on two sets of TM data and CBERS data ( acquired in 1993 and 2008, respectively ), and by means of the techniques of remote sensing (RS), geographical information system (GIS), and landscape ecology, this paper studied the dynamic development of wetland landscape patterns from 1993 to 2008 in Daqing River downstream. The results showed that as the intensity of human activities gradually strengthened in the past fifteen years, the integral structure of wetland types in this district had been varied greatly. The area and the patches number of the natural wetland decreased dramatically, while that of constructed wetland area increased incredibly. It was evident that the wetland landscape had transformed from natural to artificial. The change of each landscape index demonstrated that in the guidance of feedback information of hydrology and water resources availability and use risk, human economic activities not only directly changed the wetlands area but also changed the wetlands spatial pattern by the economic utilization of the wetlands in the past 15 years. The fragmentation degree aggravated and the wetlands went into a state of relatively uneven distribution, which further explained the spatial pattern that the area and the proportion of the natural wetlands reduced and the constructed wetlands tended to be dominant in Daqing River downstream.
机译：基于两套TM数据和CBERS数据（分别于1993年和2008年收购），并通过遥感（RS），地理信息系统（GIS）和景观生态的技术，研究了动态发展1993年至2008年在大庆河下游湿地景观模式。结果表明，随着过去十五年的人类活动强度逐渐加强，该地区湿地类型的整体结构已经变化了很大。天然湿地的地区和补丁数量急剧下降，而构造的湿地面积的湿度令人难以置信。很明显，湿地景观从自然转变为人工。每个景观指数的变化表明，在水文和水资源可用性和使用风险的反馈信息的指导中，人类经济活动不仅直接改变了湿地区域，而且还通过湿地的经济利用改变了湿地空间模式过去15年。加重和湿地的碎片程度进入了相对不均匀的分布状态，进一步解释了该地区和天然湿地的比例降低的空间模式，并且构造的湿地往往在大庆河下游占据占主导地位。

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