grassland indicator 中文意思是什麼
grassland indicator
解釋
草原指標植物-
The east transect was classified thirty five vegetation types using ndvi data from 1995 - 1996 by gis technique. the paper concludes that the ndvi from meteorological satellite is sensitive indicator of vegetation growing condition, times series curves of ndvi can truly curve vegetation growing principle by drawing the seasonal change curve of ndvi data by three groups. the paper also concludes that the forest ' s ndvi curve is commonly single apex, while farmland ' s or shrub ' s curve is mostly double apex, the peak value of forest ' s ndvi is commonly higher than grassland, farmland and some other vegetation types
應用地理信息系統技術處理1995 - 1996年1kmndvi數據，將南方樣帶劃分為35類，分三組繪制35類植被的ndvi季節變化曲線，得出氣象衛星ndvi是反映植被生長狀況的敏感指示器， ndvi時間序列曲線真實地刻畫出植被的生長規律；經分析得知森林ndvi曲線一般為單峰曲線，而農田灌叢多為雙峰曲線；森林ndvi峰值一般高於草原、農田等其它類型。 -
There is much correlation between the mining land and severe grassland desertification area, and the mining land area can be served as an important indicator for coalfield eco - environment assessment and prediction
礦業建設用地面積與重度荒漠化面積相關關系顯著，可將其作為評價、預測該區煤炭開發對生態環境影響的重要依據之一。
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