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  • , implying that the vegetation growth within a year is more sensitive to the combined effects of water and heat rather than either single climate factor.
  • proportion of 79%. And the frequency of AMD increased significantly with climate change. Specifically, the main disasters occurred more frequently in the reproductive period than in the vegetative period. Besides, the spatial changes in the AMD frequency were
  • , there are significant correlations between grass coverage with both temperature and precipitation, indicating that the grass coverage is more affected by seasonal fluctuations of hydrothermal conditions. The AA. find the climatic restrictive factors for each grassland
  • that more attention should be paid to metal pollution of agricultural soil.