d grassland model 三维草地模型
3D grassland model 三维草地模型
3 d grassland model 三维草地模型
grassland climatic production model 草地气候生产力模型
Finally, a model of grassland degradation assessment is built based on NDVI and grassland degradation index, which provides a new method for grassland degradation assessment with remote sensing.
最后根据NDVI与草地综合评价指数建立草地退化评价模型，为草地退化的遥感宏观评价提供了一种新方法。
The grazing behavior in early and intermediate stage of grassland contract was analyzed by employing the model of growth and consumption in pasture system, into which the discount rate was introduced.
利用牧草生长-消费模型，引入贴现影响，分析了牧民接手草地后的承包前期和中期放牧行为。
But it is unsuitable to predict the regions where the terrain is complicated and the grassland type changes largely because the predicted stability of the model becomes not very well.
但在地形复杂、草地类型变化较大的地区，模型稳定性变差，不适合于草地产量的预报。
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