因此，GIS在监测森林景观变化和保护森林资源方面是一个十分有用的工具。
Thus, GIS is a important tool for monitoring change of forest landscape and protecting forest resources.
利用地理信息系统（GIS）技术，研究1990—2000年张家界国家森林公园景观格局的变化。
Using Geographic Information System(GIS), the change of landscape pattern in Zhangjiajie National Forest Park during 1990—2000 was studied.
森林风景随着时间变化而相应的产生季相变化，尤其以秋季植物景观最为壮观。
Along with the changes in time, forest landscape produced corresponding seasonal change, especially plant landscape in autumn.
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