河北塞罕坝国家森林公园林业有害生物与树种配置关系分析

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1、StudiesonRelationsbetweenTreeSpeciesSelectionandForestPestsinHebeiSaihanbaNafionalForestParkMasterCandidate：PengJinyou(Landscapearchitecture)SuPervisor：．Prof．ZhangYanguangAbstractHebeiSaihanbaNationalForestPark，AAAAtouristattraction，islocatedinBashangplateau，thenorther

2、nmostendofHebeiprovince．Itisthelargestpad【amongparksinBeijing，TianjinandHebeiprovince．Ithasperfectnaturalenvironmentwith71thousandhrn。offorest(78％offorestcoverage)．Themainsceneryofparkisforestwhichcovers94thousandInn2．However,itisseriouslythreatenedbyfrequentforestpest

3、ssincetheforestisbasedonplantationwithfewkindoftreesandlackofbiodiversity．nefrequentforestpestsnotonlyaffecttheforestgrowth．butalsodestroyedthelandscapeinBashangplateau．Toprotectforest，controllingtheforestpestisveryimportant．Basedonstudyofmainforestpests，distribution，h

4、azardratingandmaintreespeciesinHebeiSaihanbaNationalForestPark，thispaperproddescomprehensivemeasuresforforestpesttreatment．ScientificprotectionmeasuresofHebeiSaihanbaNationalForestParkarealsosuggested．BasedonfieldsurVey，151kindsofforestpestsarefound，including15specieso

5、fdiseases，belon西ngto6orders，9families，11lspeciesofpestinsects，belongingto6orders，33families，17speciesofpestplants，8speciesofmiceandrabbits．Noinvasivepestfromabroadisfound．51speciesofforestpestscomefromotherareasinChina．4speciesofpeststhatharmnurseryarefound．2typesofpes

6、tsdoharmwood．Larixprincipis，Betulaplatylla，Pinussylvestris，Qaercasmongolica，Piceaasperata，Populusdavidiana，Pmnussibirica，Prunussibirica．SalissspandUlmusssparemainspeciesinHebeiSaihanbaNationalForestPark．Therearethreetypesofmixedplantationinthepark，mixedconiferousandbro

7、ad-leavedplantation，mixedconiferous1cavedplantation．mixedbroad．1eavedplantation．45kindsofforestpestsarefoundinLarixprincipis，2speciesofpestmicrobes，23speciesofpestinsects，12speciesofpestplantsand8speciesofpestmiceorpestrabbits．Thereare12speciesofpestinsectsinBetulaplat

8、ylla．18speciesofforestpests，including2spiesofmicrobes，6speciesofpestinsects，8speciesofpestplantsand2speciesofpestmice