利用2008年SPOT卫星影像结合野外调查，运用3S技术对盘龙河流域的植被、土地利用和环境质量情况进行调查。
The SPOT satellite images of 2008 combining with field surveys with 3S technology are used to investigate the vegetation and land usage and environment quality situation of Panlong watershed.
土壤及土地退化对全球食物安全、 环境质量及人畜健康的负面影响日益严重。
Soil and land degeneration is giving negative influence to the global food security, environmental quality and human and livestock health. And this phenomenon is becoming serious.
不适当的土地整理方式、方法和技术措施，会对农田生态环境产生负面影响，导致环境质量下降。
Unsuitable model, method or technical measures of land arrangement will bring the negative impact to the eco-environment of the farmland, that result in the decline of the environment quality.
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