Thus, GIS is a important tool for monitoring change of forest landscape and protecting forest resources.
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。
Using Geographic Information System(GIS), the change of landscape pattern in Zhangjiajie National Forest Park during 1990—2000 was studied.
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。
Results showed that the area proportion of each forest landscape type was strongly influenced by comparative earnings of land exploitation and would change with fluctuation of market price.
结果表明：森林景观类型的比例与林地利用的经济效益成正比，并受市场行情波动的影响较大；
Based on the forest resources distribution map of three periods, taking GIS as a means of analysis, applying landscape ecology means, forest landscape and its type change were studied.
基于三期森林资源分布图，以GIS作为分析手段，应用景观生态学数量方法，研究了森林景观及景观类型的变化情况。
The results showed:(1) land use and landscape pattern characteristics: the type of change varies, Tended to decrease grass land, forest land, construction land and unused land tended to increase;
研究结果显示：（1）土地利用与景观格局变化特征：各类型变化程度不一，耕地草地呈减少趋势，林地、建设用地、未利用地呈增加趋势；
The results showed:(1) land use and landscape pattern characteristics: the type of change varies, Tended to decrease grass land, forest land, construction land and unused land tended to increase;
研究结果显示：（1）土地利用与景观格局变化特征：各类型变化程度不一，耕地草地呈减少趋势，林地、建设用地、未利用地呈增加趋势；
应用推荐