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时间:2019-05-16
《封育对典型草原植被结构及光谱特征的影响》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、!"#$%&(ChineseJournalofAgrometeorology)2010,31(4):528-532doi:10.3969/j.issn.1000-6362.2010.04.008{
2、a}-~&'K>%1,1211!+,-./,01,%23,456(1xnyL"û%Ø¢&z,xnyL026000;2K{%&'/1,ìyL010051)45:N2008á7â-2009á5â,bxn
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4、!c~l,jk~*;A¤{;ìÅop¨LÆNoAõ@½2prç,4lop¤JKúòÅp!c,´·AÒ8¬phi。678:}F~;ìÅ;úòÅ;À¨;op¤JImpactofEnclosureontheVegetationStructureandSpectralReflectanceCharacteristicsintheTypicalSteppe11211WANGYingshun,SHIGuihua,HOUQiong,GUOZhenjie,HEXusheng(1XilinhotNationalClimat
5、eObservingStation,Xilinhot026000,InnerMongolia,China;2MeteorologicalInstituteofInnerMongolia,Huhhot010051)Abstract:FromJuly2008toMay2009,takingtheXilinguoletypicalsteppeasexperimentalareaoftheobservation,thespectralreflectance,abovegroundbiomassoftheprotected
6、grasslandandthefreegrasslandweremeasuredandanalyzed.Itwasshowedthatenclosureimprovedgrasslandplantpopulationstructuresignificantly,increasedthebiomassofforagegrasses.Duringvigorousgrowthperiod(July),enclosurehadsignificantadvantageinspectralreflectancecharac
7、teristics,andcouldgreatlyimprovethefourvegetationindexes.Thedeadripeperiodandthegreenupperiodhadnoobviouseffectsonspectralreflectancecharacteristics.Keywords:Typicalsteppe;Protectedgrassland;Freegrassland;Spectralreflectance;Vegetationindex~*¨h£,~*¨ÀL]s~*à}F~
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