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In systems with strong seasonal difference in vegetation structure and appearance, multi-temporal imagery can be particularly useful for community- and species-level discrimination. And, since the availability of past data for one source of time series images may be limited, so we need to develop multi-temporal and multi-source method for wetland ecosystem monitoring. To perform this type of analysis,...
At present, LUCC research becomes a hot problem. The research in our country focuses on the hot spots, fragile ecological environment and typical areas. In this paper, two remote sensing image respectively in 2000 and 2005 are used to analyze and assess the LUCC of the industrial zone by using the 3S technique means. The result is taken to support the data for the EIA and EM.
Land degradation and, its extremes, desertification continue to be the most significant environmental issues in arid and semi-arid area of China, especially in transition regions where the vegetation is more sensitive to climate change and human activities. Desertification is mainly resulted from climatic variations and human activities. Vegetation coverage and its changes are easy to be interpreted...
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