| This paper attempted to analyze characteristics of the climate resources in Xilingol grassland, making climate regionalization under hydrothermal conditions,analyzed the trend of climate resources changes, divided protected regionalization as the basis of hydrothermal conditions, explained the characteristics of the regionalization and the relevant protection measures. The main conclusions are as follows:(1)Climatic resources allocation in Xilingol grassland is obvious disharmony. In the light and heat resource-rich areas, relative water resources are poor. The areas which light and heat resources are poor, while are rich in water resources. Five zones are divided in this study: Drought warm desert steppe climate zone, with annual precipitation≦ 200 mm and≧1 0℃temperature≧ 23℃; Drought warmth typical steppe climate zone, with 200mm |
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