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LIU Xiaoying Senior Engineer IRTCES Technical Manager FAO-FARM Programme OFFICE P.O. Box Beijing China 《国际泥沙研究》1997,(3)
I.FEATURESOFSOILEROSIONINGRANITICREGIONS1.1IntroductionGuangdongProvinceislocatedinsubtropicalzoneandthenorthernborderofthetropicalzone.ThelatitudestCtchesfrom20'07'to25'31'N,thelongitudefrom108'33'tO117'20'E.Subtropicalclimateprevailsinmostoftheprovince.Theannualaveragerainfallis1500-1800mm,withstrongintensityandun-evendistribution.Thedeifyrainfallduringwnhoonstormsmayreach200-300mm:Thetotallandareaisabout178,100sq.km,inwhich25,100sq.kmarecultivated.12,000sq.km,6.7%oftotalP… 相似文献
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