24389.內(nèi)蒙古伏沙地植被特征分析研究——以錫林郭勒盟為例

1、分類號S812學(xué)校代碼10129UDC630學(xué)號08203027內(nèi)蒙古伏沙地植被特征分析研究——以錫林郭勒盟為例AnAnalysisoftheacteristicsofSinkingSyLVegetationinInnerMongolia——ACaseofXilingol申請人：陳秀蘭學(xué)科門類：農(nóng)學(xué)學(xué)科專業(yè)：森林經(jīng)理學(xué)研究方向：“3S”技術(shù)應(yīng)用與資源監(jiān)測評價指導(dǎo)教師：張韜教授安慧君教授論文提交日期：二〇一一年五月AnAnalysisof

2、theacteristicsofSinkingSyLVegetationinInnerMongoliaACaseofXilingolAbstractTheacteristicsofvegetation，soilspectruminthesinkingsylinXilinguoleofInnerMongoliawerestudiedbythemethodoffieldsurvey.Tounraveltheidentifyacteristi

3、csofthesinkingsylweanalyzedtheacteristicsofcommunitycomparedthedifferencebetweenthetypicalsteppethesygrassl.Theresultswereasfollows.1.Thevegetationinthetypicalsinkingsylaremainlythetypesoftypicalsteppe.Thereareindicative

4、sspeciesinthecommunitysuchasArtemisiaintramongolicaCaraganamicrophylia.Thewoodlsinkinglaredominatedbythevegetationoftheelmsparsegrasslwiththeshrubthetypicalsteppecommunitiesbeingunderthetrees.Thevegetationofthewetlsinkin

5、glaremainlywetspecies.2.TheimptantvalueofAlliumramosumAlliumbidentatumisbiggerinthesinkingsylcommunity.TheStipakrylovilCleistogenessquarrosaisconstructivespeciesofcommunitythereareothercommonspeciesinthetypicalsteppe.The

6、imptantvalueofArtemisiaintramongolica，ChenopodiumglaucumSalsolacollinaisbiggerinthesygrassl.Thecoveragedensitybiomassofcommunityinthesinkingsylishigherthanthesygrassllowerthanthetypicalsteppe.3.Thescontentofthesinkingsyl

7、ishigherthanthetypicalsteppelowerthanthesygrassl.Stickygraincontentofsinkingsylsoilishigherthansygrasslislowerthanthetypicalsteppe.Thenutrientsubstanceofthesinkingsylishigherthansygrasslislowerthanthetypicalsteppe.4.Thes

8、pectrumcurvesofthetypicalsteppethesinkingsylthesygrasslwerecompared.Thespectrumcurvesofthetypicalsteppethesinkingsylhadhigherslopecomparedwiththecurveofthesygrassl.SpectrumreflectivityatRedlightbNearinfraredwavelengthsof