By using Julian Date methods,this paper studied the changes of forest fire occurring date during 1980～2006 in Inner Mongolia Daxing’anling forest region,as well as discussed the changes of fire season and forest fir...
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By using Julian Date methods,this paper studied the changes of forest fire occurring date during 1980～2006 in Inner Mongolia Daxing’anling forest region,as well as discussed the changes of fire season and forest fire regime under global *** results indicated that Julian Date of fires changed obviously,*** fires Julian Date in spring extended into summer markedly,and at the same time summer fires were mostly caused by lightning *** Julian Date of human-caused fires did not evidently *** recent some years,the forest fires occurred in summer actually exceeded the sum of fires occurred in spring and ***,the fire seasons are not only in spring and autumn,so long as the litter has not been covered by snow,forest fires possibly take *** the future,under a warmer climate,the authors’ suggestion for forest fire management departments is to adequately understand these forest fire regime changes and make adaptive policies,in order to reduce the damage induced by forest fires.
The soil environment quality of woodland with different parent materials(limestone,dolomite limestone,limestone shale,dolomite,limestone sand inclusion shale) in Kasta mountain area was assessed with Analytic Hierarch...
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The soil environment quality of woodland with different parent materials(limestone,dolomite limestone,limestone shale,dolomite,limestone sand inclusion shale) in Kasta mountain area was assessed with Analytic Hierarchy Process and Principal Component Analysis *** results indicated that the soil fertility quality of the soil developed from limestone shale was the best,and the soil developed from dolomite limestone was the *** soil developed from limestone shale showed the best heavy metals quality,and the soil developed from dolomite was the *** soil developed from limestone shale had the best stand condition quality,and the soil developed from limestone sand inclusion shale was the *** results also showed that the order of the soil environment quality was: limestone shale>limestone>dolomite limestone>dolomite>limestone sand inclusion shale.
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