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<ul class="nav nav-tabs">
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<li class="active"><a data-toggle="tab" href="#home">评估结果</a></li>
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<li><a data-toggle="tab" href="#menu1">技术规范</a></li>
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<li><a data-toggle="tab" href="#menu2">数据源</a></li>
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</ul>
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<div class="tab-content">
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<div id="home" class="tab-pane fade in active">
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</div>
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<div id="menu1" class="tab-pane fade">
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<div class="text_cell_render rendered_html" tabindex="-1">
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<h2 class="text-center">表1 草地退化遥感解译分类系统和分级指标</h2>
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<table border="1">
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<tbody>
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<tr>
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<td colspan="2">
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一级类型
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</td>
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<td colspan="3">二级类型</td>
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</tr>
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<tr>
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<td>编号</td>
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<td>名称</td>
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<td>编号</td>
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<td>名称</td>
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<td>含义</td>
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</tr>
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<tr>
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<td>3000</td>
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<td>无退化动态草地</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>3010</td>
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<td>破碎化退化草地</td>
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<td>-</td>
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<td>-</td>
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<td>通过两期图像比较,根据草地破碎化斑块数量或破碎化指数((斑块数量×面积)/总面积)的相对百分数的增加幅度判定。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3011</td>
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<td>轻度破碎化退化草地</td>
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<td>两期图像相比,草地破碎化斑块数量或破碎化指数((斑块数量×面积)/总面积)的相对百分数增加10-20%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3012</td>
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<td>中度破碎化退化草地</td>
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<td>两期图像相比,草地破碎化斑块数量或破碎化指数((斑块数量×面积)/总面积)的相对百分数增加20-50%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3013</td>
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<td>重度破碎化退化草地</td>
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<td>两期图像相比,草地破碎化斑块数量或破碎化指数((斑块数量×面积)/总面积)的相对百分数增加50%以上。</td>
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</tr>
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<tr>
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<td>3020</td>
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<td>覆盖度下降退化草地</td>
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<td>-</td>
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<td>-</td>
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<td>两期图像相比,草地总覆盖度相对百分比减少。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3021</td>
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<td>覆盖度轻度下降草地</td>
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<td>两期图像相比,总覆盖度相对百分比减少率为10-20%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3022</td>
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<td>覆盖度中度下降草地</td>
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<td>两期图像相比,总覆盖度相对百分比减少率为20-30%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3023</td>
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<td>覆盖度重度下降草地</td>
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<td>两期图像相比,总覆盖度相对百分比减少率为30%以上。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>破 碎 化/覆盖度下降退化草地</td>
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<td>-</td>
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<td>-</td>
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<td>属于破碎化和覆盖度下降两个退化过程同时发生的类型。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30111</td>
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<td>轻度破碎化、轻度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30112</td>
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<td>轻度破碎化、中度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30113</td>
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<td>轻度破碎化、重度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30121</td>
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<td>中度破碎化、轻度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30122</td>
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<td>中度破碎化、中度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30123</td>
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<td>中度破碎化、重度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30131</td>
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<td>重度破碎化、轻度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30132</td>
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<td>重度破碎化、中度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>30133</td>
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<td>重度破碎化、重度覆盖度下降退化草地</td>
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<td>-</td>
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</tr>
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<tr>
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<td>3040</td>
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<td>沼泽化草甸趋干化</td>
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<td>-</td>
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<td>-</td>
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<td>两期图像相比,图像上反映出的沼泽化草甸湿度降低幅度、或沼泽化草甸因干化而面积减少的幅度判断。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3041</td>
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<td>轻度沼泽化草甸趋干化</td>
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<td>草地湿度降低幅度、或沼泽化草甸因干化而面积减少的幅度10-20%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3042</td>
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<td>中度沼泽化草甸趋干化</td>
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<td>草地湿度降低幅度、或沼泽化草甸因干化而面积减少的幅度20-40%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3043</td>
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<td>重度沼泽化草甸趋干化</td>
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<td>草地湿度降低幅度、或沼泽化草甸因干化而面积减少的幅度40%以上。</td>
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</tr>
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<tr>
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<td>3050</td>
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<td>沙化/盐化退化</td>
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<td>-</td>
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<td>-</td>
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<td>两期图像相比,裸沙或盐碱化面积占草地面积的百分比增加。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3051</td>
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<td>轻度沙化/盐化退化</td>
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<td>两期图像相比,裸沙或盐碱化面积占草地面积的百分比增加10-15%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3052</td>
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<td>中度沙化/盐化退化</td>
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<td>两期图像相比,裸沙或盐碱化面积占草地面积的百分比增加15-40%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>3053</td>
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<td>重度沙化/盐化退化</td>
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<td>两期图像相比,裸沙或盐碱化面积占草地面积的百分比增加40%以上。</td>
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</tr>
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<tr>
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<td>3090</td>
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<td>草地覆盖度增加、破碎化指数降低</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>6410</td>
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<td>沼泽变干</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>6411</td>
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<td>沼泽轻度变干</td>
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<td>沼泽面积或沼泽干旱化程度(影像上反映的湿度饱和程度)减少10-20%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>6412</td>
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<td>沼泽中度变干</td>
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<td>沼泽面积或沼泽干旱化程度(影像上反映的湿度饱和程度)减少20-50%。</td>
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</tr>
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<tr>
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<td>-</td>
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<td>-</td>
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<td>6413</td>
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<td>沼泽重度变干</td>
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<td>沼泽面积或沼泽干旱化程度(影像上反映的湿度饱和程度)减少50%以上。</td>
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</tr>
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<tr>
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<td>6420</td>
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<td>沼泽变好</td>
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<td>-</td>
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<td>-</td>
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<td>沼泽面积或沼泽化程度(影像上反映的湿度饱和程度)增加。</td>
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</tr>
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</tbody>
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</table>
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<h2 class="text-center">表2 退化草地变化态势分类体系</h2>
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<table border="1">
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<tbody>
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<tr>
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<td>编号</td>
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<td>名称</td>
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<td>含义</td>
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</tr>
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<tr>
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<td>1</td>
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<td>退化发生</td>
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<td>原健康草地发生新的退化,退化类型包括本底评估报告中草地退化分类系统中的任何一种,如草地退化、覆盖度下降、破碎化/覆盖度下降双重退化、沼泽化草甸趋干化、沙化/盐化退化、沼泽变干。</td>
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</tr>
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<tr>
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<td>2</td>
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<td>退化加剧</td>
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<td>原退化草地进一步发生退化,退化类型包括本底评估报告中草地退化分类系统中的任何一种,如草地退化、覆盖度下降、破碎化/覆盖度下降双重退化、沼泽化草甸趋干化、沙化/盐化退化、沼泽变干。</td>
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</tr>
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<tr>
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<td>3</td>
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<td>退化状态不变</td>
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<td>原退化草地没有发生新的退化,草地状况维持原状。</td>
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</tr>
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<tr>
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<td>4</td>
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<td>轻微好转</td>
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<td>原退化草地没有发生新的退化,草地状况有所好转,表现为覆盖度有所增加、破碎化减轻或沼泽化草甸变湿。</td>
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</tr>
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<tr>
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<td>5</td>
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<td>明显好转</td>
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<td>原退化草地没有发生新的退化,草地状况明显好转,表现为草地覆盖度明显增高、破碎化明显减轻或沼泽化草甸明显变湿。</td>
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</tr>
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<tr>
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<td>6</td>
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<td>沼泽好转</td>
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<td>沼泽没有发生新的退化,沼泽状况明显好转,表现为沼泽水分条件好转,植被覆盖度明显增高、破碎化减轻等。</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<h4>数据源</h4>
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