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1.
本文记述在山东省危害槐树SophorajapomicaLinnaeus的三刺角蝉属Tricentrus1新种;槐树三刺角蝉Tricentrussophoraesspnov,其寄主除槐树外,还有龙爪槐S.japonicaf.pendulaLond.刺槐RobriniapseudoacaciaLinn,紫穗槐AmorphafruticosaLinn,模式标本保存于西北农业大学昆虫博物馆。  相似文献   

2.
No.1 (Jan.,2 0 0 2 )AnalysisontheCharacteristicsofUrbanVegetationandItsMappingBasedonRemoteSensingandGeographicInformationSystemGAOJ  相似文献   

3.
松嫩平原退化盐渍草地生态特性研究侯彦林(北京农业大学博士后站土地资源系,100094)EcologicalCharacteristicsofDegradedSalineGrasslandinSongnenPlain¥HouYanlin(DepartmentofLandResourceSciences,BeijingAgriculturalUniversity,100094).ChineseJournalofEcology,1993,12(1):11-14.TheresearchesshowthatthesalinegrasslandinSongnenPlainhasbeengenerallyandrapidlydegradedbyheavygrazing.Intheprocessofgrasslanddegradation,soildeteriorationissomewhatslowercom-paredwithvegetationdegradation,whichdeterminesthefactthatanimalhusbandryisthechiefwayofexploitingsoda-aline  相似文献   

4.
大连潮间带底栖海藻群落的数量特征和优势种的季节变化   总被引:5,自引:0,他引:5  
大连潮间带底栖海藻群落的数量特征和优势种的季节变化熊韶峻,王献平,郭旭光(辽宁师范大学生物系,大连116022)SeasonalVariationofQuantitativeCharactersandDominantSpeciesofBenthicSeaweedCommunitieswithinIntertidalsinDalian,China¥.XiongShaojun,WangXianping,GuoXuguang(DepartmentofBiolo-gy,LiaoningNormalUniuersity,Dalian116022).ChineseJournalofEcology,1993,12(4):27-29.Thecomposition,coverage,biornassanddorninantspeciesofbenthicseaweedcornmunltywithinintertidalinDalian,ChinaweremonthlyinvestigatedfrornMarch1990toMarch1991.Itisxhownthat1).thegen-eraltendencyofseaso  相似文献   

5.
生态场理论及生态场特性   总被引:7,自引:0,他引:7  
邹锐 《生态学杂志》1995,14(1):49-53
生态场理论及生态场特性邹锐(云南大理州环科所生态室,671000)TheoryandCharacteristicsofEcologicalField.¥ZouRui(DaliPrefecturalInstituteofEnviron-mentalSi...  相似文献   

6.
November 3- 5 ,2 0 0 2 ,ShanghaiThebiosynthesisofaurodrosopterininDrosophilamelanogaster :Purification ,cloningandcharacterizationofdi hydropterindeaminaseChiyoungAhn ,JaekwangKim ,SangickPark ,JeongbinYim (SchoolofBiologicalSciences,SeoulNationalUniversity ,Seoul 15 …  相似文献   

7.
石松生物学特性及生境特点的观察叶茂宗,叶升儒(浙江省科学院亚热带作物研究所温州325000)(温州师范学院生物系325000)BiologicalPropertiesandHabitatCharacteristicsofLycopodiaceae¥.YeMaozhong(InstituteofSubtropi-calCrops,ZhejiangAcademyofSciences,Wenzhou325000),YeShengru(WenzhouNormalCOllege,325000).ChineseJournalofEcology,1993,12(3):19-22。SiteinvestigationsshowthatthegrowthanddevelopmentofLycopodiaceaeexhibitobvioushydrotropismandgeotropism,anditsdistributionaggregatelyconcentratesonthesidesofvaIley300-1400mabovesealevelandbrookbanks.whereveritisdistributed,th  相似文献   

8.
No .1StudiesofScreeningMicroorganismsdegradingLinearSodiumAlkylbenzenesulfonate (LAS)anditsDegradingCharacteristics YINGQi Feng,XIAOChang Song,JIShu Lan ( 1)……………………………………………………………………ScreeningofSirainsProducingLipaseswithhighActivitiesandConstructionofStrain…  相似文献   

9.
RegulationCultureonCytological,BiochemicalandPhysiologicalCharacteristicsofSomaticCarrotEmbryosHUANGMei-juan;(黄美娟),HUANGShao-...  相似文献   

10.
新疆农业绿洲生态建设的探讨   总被引:1,自引:0,他引:1  
新疆农业绿洲生态建设的探讨夏爱林(新疆农业科学院土壤肥料研究所,乌鲁木齐830000)AnApproachtotheEcologicalConstructionofAgriculturalOascsinXinjiang¥XiaAilin(InstituteofSoilandFertilizers,XinjiangAcademyofAgriculturalSciences,Uromqi830000).ChineseJournalofEcolo-gy,1993,12(1):67-70。Comparedwithotheraridareasoftheworld,theagriculturaloasesinXinjiangpossessthefollowingcharacters:1.theyaredesertandirrigated,andwateristhemainfactorfortheirsubsistenceanddevel-oprnent,2.thereareabundantlight,heatandwaterresourcesandgreatpotentialforincreasingtheirprod  相似文献   

11.
低丘红壤区农林间作系统的水分生态特征及生产力   总被引:7,自引:2,他引:7  
低丘红壤区农林间作系统的水分生态特征及生产力张斌张桃林(中国科学院南京土壤研究所,210008)ydraulicEcologicalCharacteristicsofAleyCroppingSystemsandItsProductivityinLo...  相似文献   

12.
福建中亚热带村级农业生态经济类型的成因与发展机制研究林文雄,吴志强,林群慧,郑世庆,王松良,梁义元(福建农学院,福州350002)ContributingFactorandDevelopmentMecbanismofRuralAgro-ecolomicTypesinMid-subtropicalRegionofFuJianProvince¥.LinWenxiong;WuZhiqiang;LinQunhui;ZhengShiqing;WangSongliang;LiangYiyuan(FujianAgriculturalCollege,Fuzhou350002).ChineseJournalofEcology,1993,12(2):66-68.Usingsystematicanalysismethodtheauthorsstudiedthestatuecharacteristicsandtheirvariationpat-ternsofruralagro-ecolomictypeinmid-subtropicalregionofFujianprovince.11tapesofsystemstructurean  相似文献   

13.
内蒙古白音敖包自然保护区沙地云杉林的基本特征、存在问题与解决途径徐文铎(中国科学院沈阳应用生态研究所,110015)BasicCharacteristics,ExistingProblemsandTheirSolutlonsforSpruceForestonSandlandofBaiyi-naobaoNaturalReserve,InneerMongolia¥XuWenduo(InstituteofAppliedEcology,AcademiaSinica,Shenyang1100l5)(ChineseJournalofEcology,1993,12(5):39-44.Spruceforestonsandlandisaspecialtypeofterrestrialforestecosystem,whichonlyexistsattheedgeoftheXiaotengelideserthInnerMongolia,Mongoliafloraisthedominantspeciesintheforest,whichalsoincludesXinganandNorthChinaflora,Thecomposi  相似文献   

14.
Xishuangbanna,theregionwhereremainsthevastvirgintropicalforestsinChina,receivesgreatattentionsfromhomeandabroad.Studiesfrom1930’sto1990’sindicatedthatXishuangbannaischaracterizedbyitstransitionalpositionfromtropicstosubtropics.Itsspecialeco-environmentandb…  相似文献   

15.
云南吊石苣苔属一新种   总被引:1,自引:0,他引:1  
保山吊石苣苔   新种  图 1LysionotussulphureoidesH W LietY X Lu ,sp nov Fig 1(Sed Lysionotus ,Ser HeterophylliW T Wang)IncharacteribuscalycishaecspeciesL sulphureiHand Mazz .similis,sedcauleglabro ,foliismajoribus ,ob longo ellipticis ,ad 2 0cmlongiset 6cmlatis ,marginesupra 1/ 3ba…  相似文献   

16.
持续农业与中国的生态农业   总被引:6,自引:0,他引:6  
持续农业与中国的生态农业李萍萍,章熙谷(南京农业大学农学系,210014)SustainableAgricultureandChina’sEcologicalAgriculture¥.LiPingping;ZhangXigu(NanjingAgricul-turalUniversity,210014).ChineseJournaJofEcolegy,1993,12(2):16-18.Thebackground,conceptandcharacteristicsofsustainableagriculturearediscussed,anditssimilaritiesanddifferencestoChina’secologicalagriculturearedescribed.It’sconsideredthatChina’secologicalagri-cultureisaconcretereflectionofsustainableagricultureandasuccessfulmodelforagriculturaldevelop-ment.Keywords:sustainableagricult  相似文献   

17.
河西走廊农户生态系统农田能流和物流数量特征的研究   总被引:6,自引:0,他引:6  
河西走廊农户生态系统农田能流和物流数量特征的研究李发弟(甘肃农业大学畜牧系,兰州730070)QuantintiveCharacteristicsofEnergyFlowandNutrientCyclingofFarmlandinaFarmEcosysteminHexiCorridor¥LiFadi(DepartmentofAnimalHusbandry,GansuAgriculturalUnitversity).ChineseJour-nalofEcology,1993,12(6):37-40.Quantitativecharacteristicsofenergyflowandnutrientcyclingoffarmlandsubsysteminafarmecosys-teminHexiCorridorwerestudied.Theresultsshowedthatthedeflreeofopening,inputandoutputwerehigh,theratioofoutputtoinputofsubsidyenergy,nitrogenandphosphorusofthefarmlandsubsy  相似文献   

18.
流行性出血热病毒M基因片段的结构与特性董关木,俞永新(中国药品生物制品检定所,北京100050)TheStructureandCharacterizationofMGenomeSegmentofHFRSVirusbongGuanmu;YuYongxi...  相似文献   

19.
生态学的发展阶段及其特点   总被引:3,自引:0,他引:3  
生态学的发展阶段及其特点吴兆录(云南大学生态学与地植物学研究所,昆明650091)Developmentstagesofecologyandtheircharacteristics.¥WuZhaolu(InstituteofEcologyandGeo...  相似文献   

20.
DNA分子标记在柑桔中的应用   总被引:3,自引:1,他引:2  
黄卫  罗玉萍 《生物技术》2002,12(1):34-36
DNA分子标记是最为理想的遗传标记 ,依其多态性检出所用的分子生物学技术 ,大致可分为Southem杂交技术为核心的分子标记和PCR技术为核心的分子标记。前者的代表性技术有RELP(restrictionfragmentlengthpolymorphism)和DNA指纹技术 (DNAfingerprintingtechniques)。后者的代表性技术有RAPD(randomamplifiedpolymorphicDNA)、SCAR(sequencecharac teristicamplifiedregion)…  相似文献   

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