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1.
“坡壁效应”对减轻雪柑园降雪冻害的作用张名福(福建省顺昌县农业局353200)"Slope-wallEffect"inDiminishingSnowfallFreezeInjuryofCitrussinensisvar.sekkan¥.ZhangMingfu(AgriculturalBureau,ShunchangCounty,FujianProvince).ChineseJournalofEcology,1993.12(3):57-58."Slope-walleffect"hasasignificantroleindiminishingsnowfallfreezeinjuryofCitrussinensisvar.sekkanplantedonterracedmountainousfieldswithadefinitedegreeofslope-wall.Investigationsshowthatfreezeinjurystartstobediminishedonfieldswitha53.8°ofslope-waIlandisdiminishedsignifi-cantlyonthosewitha80  相似文献   

2.
Emergy Synthesis of the Environmental Resource Basis and Economy in China   总被引:5,自引:1,他引:4  
EmergySynthesisoftheEnvironmentalResourceBasisandEconomyinChinaLanShengfang(Dept.ofBiology,SouthChinaAgric.Univ.,Guangzhou510...  相似文献   

3.
农业系统生产力(ASP)的量化及其现状分析   总被引:6,自引:0,他引:6  
农业系统生产力(ASP)的量化及其现状分析卢进登,韩纯儒(北京农业大学农学系,100094)QuantificationofAgrosystemProductivity(ASP)andAnalysisonitsCurrentSituationinCbina¥.LuJin-deng;HanChunru(BeijingAgriculturalUniversityfBeijing100094).ChineseJournalofEcology,1993,12(2):21-22.BasedonabriefanalysisontheformationprocessofASP,itsconceptisdescribedandanintegratedindi-catorforitsquantification—ASP2isputforwards.Fromthose,theASPlevelsinvariousregionsofChinaareanalyzedand8levelsaredividedbyusing.Hierarchicclusteringmethod.It’s:clarifiedthatAS-PIisamore  相似文献   

4.
生物固氮─—生态农业的一个重要启动因素陈士平(辽宁省农业科学院土壤肥料研究所,沈阳110161)BiologicalNitrogenFixation—AnImportantRunningFactorofEcologicalAgriculture¥.ChenShiping(SoilandFertilizerInstilute,LiaoningAcademyofAgriculturalSciences,Shenyang110161).ChineseJournalofEcology,1993,12(2):31—33.LeguminousgreenmanurecropssuchassweetcloverandAstragalushuangheensis,canprovidedefiniteamountofbiologicallyfixed-NtomakeN-budgetbalance,promotesoilphysicalandchemicalproper-ties,reducesoilandwatererosion,andthus,increaseperunitareayieldandtotaloutputwhe  相似文献   

5.
贵州省西北部“百里杜鹃林”的土壤生态条件   总被引:6,自引:0,他引:6  
贵州省西北部“百里杜鹃林”的土壤生态条件庞纯焘,宋铭荷,田光普(贵州教育学院,贵阳550003)(贵州农学院,贵阳550006)SoilEcologicalConditionsinthe"HundredLi(500m)AzaleaForcst"inNorthwestGuizhouProvince¥PangChuntao;SongMinghe(GuizhouEducationCollege,Guiyang550003),TianGuangpu(GuizhouAgriculturalCollege,Guiyang550006).ChineseJournalofEcology,1993,12(1):49-52。Thereisavastareaofazalea(Rhododendronspp.)forestinNorthwestGuizhouProvince,Atfloweringseasoninsummer,itbecomesaregionoftouristattraction.Thisregionissofascinatingthatpeoplecallit"HundredLi(500m)AzaleaFores  相似文献   

6.
空气污染对植物病虫害的影响吴亚,金翠霞(江苏省农科院植物保护研究所,南京210014)EffectsofAtmospbericPollutiononPlantDiseasesandPests¥WuYa;JinCuixia(InstituteofPlantPro-tection,JiangsuAcademyofAgriculturalSciences,Nanjing210014).ChineseJournalofEcology,1993,12(6):49-53.Thispapersummarizestheeffectsofmainatmosphericpollutants,suchasO_3,SO_2,fluorides,acidrainetc.onplantpathogenicmicroorganisms;theeffectsofairpollutionontheoccuranceandinfestationofphytophagusinsects,andtheinfluencesofgreenhouseeffectofCO_2ontheoutbreakofpests。Keywords:atmospheri  相似文献   

7.
浸润垄作稻田土壤生态系统的研究   总被引:7,自引:0,他引:7  
浸润垄作稻田土壤生态系统的研究魏朝富,高明,车福才,邓春(西南农业大学土化系重庆630716)AStudyonInfiltrated-RidgedPaddySoilEcosystem¥.WeiChaofu;GaoMing,CheFuchai;DengChun(SouthwestAgriculluralUniversity,).ChineseJournalofEcology,1993,12(3):26-30;Thispaperdealswichaninfiltrated-ridgedpaddysoilecosystemwhichisconstructedbyridgingandcon-tinuousfurrowinfiItratiOnirrigation,ComparingwithlevelinfiItratedpaddysoilecosystem,thisecosys-temhascoexistedgas-liquid,gas-solidandliquid-solidinterfaces,enlargessoilsurfaceby38%andincreasescuItivatedlayerby5-10cm.  相似文献   

8.
广东省主要引进牧草品种的温度适应性研究戴倩,骆世明(广西壮族自治区政府办公厅,南宁530013)(华南农业大学,广州510642)TemperatureAdaptabilityofMajorIntroducedForageSpecicsinGuangdongProvince¥DaiQian(Govern-mentalOfficeofGuangxiZhuangAutonomousRegion,530013),LuoShiming(SouthChinaAgriculturalUniversity,Guangzhou510642).ChineseJourilalofEcology,1993,12(2):76—78.GerminationexperimentswithfixedtemperatureshowthatvarietiesofStylosanthesrequireatemperaturehigherthan15℃togeminate.Thecomputersimulatedmodelcancorrectlypredictthegeminationprocessunderdifferenttemperatu  相似文献   

9.
生态农业:一种思想体系传播的实证分析   总被引:1,自引:0,他引:1  
李季 《生态学杂志》1993,12(3):63-67
生态农业:一种思想体系传播的实证分析李季(北京农业大学100094)EcologicalAgriculture:APositiveAnalysisoftheSpreadingofItsIdeology¥.LiJi(DepartmentofLandResources.BeijingAgriculturalUniversity,Beijing100094).ChineseJournalofEcology,1993,12(3):63-67.ThispaperreviewstheoverallhistoriesofecologicalagricultureinChinainthelast10years,includingitsfeatures,researchesandpractices,andgivessomediscussions,conclusionsandperspectivesofitsdevelop-mentaltrend.Keywords:ecologicalagriculture,ecosystem,eco-economics.我国的生态农业从兴起到现在已十余载,其发展之迅猛无论在理论上还是实践上,  相似文献   

10.
里骆林区常绿阔叶林和人工杉木林气候水文效应   总被引:13,自引:2,他引:11  
里骆林区常绿阔叶林和人工杉木林气候水文效应黄承标,文受春(广西农学院林学分院南宁530001)(广西龙胜县林业局541700)ClimaticandHydrologicalEffectsofEvergreenBroad-leavedandArtificialChineseFirForestsinLiluoForestedRegion¥HuangChengbiao(ForestryCollege,CuangxiAgriculturalUniversity,Nanning530001),WenShouchun(ForestryBureau,LongshengCounty,Guangxi541700);ChineseJournalofEcol-ogy,1993,12(3):1-7.Siteinvestigationsandresearchesin1980-1990showthatevergreenbroad-leavedandartificialChinesefirfOrestsinLiluoforestedregioncanreducethevariationrangeofatmosphericandsoilt  相似文献   

11.
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   

12.
集约高产过程中土壤有机质动态初探   总被引:2,自引:0,他引:2  
集约高产过程中土壤有机质动态初探崔玉亭,韩纯儒(北京农业大学,100094)DynamicsofSoilOrganicMatter(SOM)intheProcessofAgriculturalIntensification¥.CuiYuting;HanChunru(BeijingAgriculturalUniversity,100094).ChineseJournalofEcology,1993,12(2):37—38.Inthispaper,thebalanceofsoilorganicmatter(SOM)intheprocessofagriculturalintensificationinChangzhouregionisstudiedandamedium-andlong-termpredictionofitsdynamicsismade。There-sultsshowthatduringthisprocess,thebalanceofSOMisgettingbetter,andafteramediumorlongpe-riod(e.g,10—20yeats),theSOMcontentcangett  相似文献   

13.
卢欣 《生态学杂志》1993,12(4):33-35
太岳山丘陵地带中国林蛙成体的肥满度和某些器官系数的季节变化卢欣(山西省生物研究所,太原030006)SeasonalVariationsofAdult’sCorpulenceDegreeandOthcrOrgans’IndicesofCommonFrogsinTaiyucMountainIIillyLands¥.LuXin(ShanxiInstituteofBiology,Taiyuan030006).ChineseJournalofEcolo-gy,1993,12(4):33-35.InvestigationswerecarriedoutfrornFebruary1989toApril1990inTaiyuemountainofShanxiprovince.Theadult'scorpulencedegreeofcommonfrogsishigherduringhibernationaidlowestinMayandJune,andthatofmalesissignlficantlyhigherthanfemales’(exceptinAugust).DuringApril-August,thecoef-  相似文献   

14.
丘陵旱作区农业产业结构优化模式的研究吴明根,张哲鸿,李宗铁,郑哲(延边农学院,133400)BreedingStructuralOptimizingModelofUplandAgricultureinMountainousRegion¥.WuMinggen;ZhangZhehong;LiZongtie;ZhengZhe(YanbianAgriculturalCollege,JilinProvince133400).ChineseJournalofEcofogy,1993,12(2):49-50.Onthebasisofrationaldistributionofforest,grasslandandfruitgardeninagroecosystem,theagroeco-logicalenvironmentofhillyuplandcroppingareaisimprovedbyreadjustinglandutilizationstructure,ex-pandingvegetativelandareaandoptimizingbreedingstructure.None—productiveoutpu  相似文献   

15.
我国南海海龟资源的调查与保护研究现状与展望王亚民(中华人民共和国农业部水产司,北京100026)AchievementandPerspectiveoftheResearchesonSoutbChinaSeaTurtleResourcesandProtectioninCbina¥WangYamin(DivisionofScienceandTechnology,DepartmentofFishery,People’sRepublicofChinaMinistryofAgriculture,Beijing100026).ChineseJournalofEcology,1993,12(6):60-61.ThispaperintroducestheresearchesinfieldofSouthChinaSeaturtleresourcesandprotectioninChina.TherearefivespeciesseaturtlesinChina,about90%ofthemliveinSouthChinasea。During1959-1988,3184.Itseaturtlewerecatched(about  相似文献   

16.
鼎湖山土壤的微生物及其对酸度的适应特征   总被引:2,自引:0,他引:2  
鼎湖山土壤的微生物及其对酸度的适应特征葛荣盛(广东省土壤研究所广州510650)SoilMicrobcsatDinghushanNaturalReserveandTheirAdaptabilitytoAcidity¥.GeRongsheng(Guang-dongInstituteofSoilSciences,Guangzhou510650).ChineseJournalofEcology,1993,12(3):11-18.ThispaperdiscussesthemicrofloraeinsoilsunderdifferentforesttypesatDinghusannaturalreserveandtheiradaptabilitytoacidity:1.Undermixedforest,ammonifyingBacteria,cellulose-decomposingbacteriaandOligonitrophilesaredominant;underbroadleavedforest,ceIlulose-decomposingfungiaremore;andlittledifferencecanb  相似文献   

17.
土壤微生物生物量周转的估算   总被引:44,自引:5,他引:39  
土壤微生物生物量周转的估算高云超,朱文珊,陈文新(北京农业大学生物学院,100094)EstimationforBiomassandTurnoverofSoilMicroorganisms¥GaoYunchao;ZhuWenshan;ChenWenxin(CollegeofBiologicalSciences,BeijingAgriculturalUniversity,Beijing100094).ChineseJour-nalofEcology,1993,12(6):6-10。Toobtainsomeinformationabouttransformationofmineralnutrientsbysoilmicroorganisms,wehavemeasuredtheamountandturnoverrateofsoilrnicrobialbiomassinno-tillage,directdrillingandplow-ingsoils.Microbialbiornassinno-tillagetopsoilis51.7%and26.0%higherthanthoseinplowinganddirec  相似文献   

18.
庐山土壤微生物类群及酶活特性   总被引:3,自引:0,他引:3  
庐山土壤微生物类群及酶活特性陆杨森,熊金莲,张明(安徽农学院,合肥230036)MicrobialGroupsandEnzymeActivityinSoilofLushanMountain¥LuYangsen;XiongJinlian;ZhangMing(AnhuiAgriculturalCollege,Hefei230036).ChineseJournalofEcology1993,12(5):25-28。ThetotalnumberofmicrobesvariesindifferentsoiltypesofLushanMountain,beingthehighest(1.2×10 ̄9numbersgdrysoil)inmountainousyellowbrownsoil.Theecologialdistributionofvariousmicrobialgroupsindifferentsoiltypesissimllar。Bacteriaismorethanactinomycesandfungi.Nonitrifyingbacte-riacanbefoundInsollsofLushanMountai  相似文献   

19.
持续农业的理论基础──农业生态系统原理   总被引:6,自引:3,他引:3  
持续农业的理论基础农业生态系统原理陈欣章熙谷李萍萍(南京农业大学农学系,210095)ABasisforSustainableAgricultureThePrincipleofAgroecosystem.ChenXin,ZhangXigu,LiPin...  相似文献   

20.
宁南山区灌溉农业立体复合种植生态系统生产力的研究   总被引:1,自引:0,他引:1  
宁南山区灌溉农业立体复合种植生态系统生产力的研究杜守宇田恩平,王占山(宁夏农业技术推广总站,银川750001)(固原县农业技术推广中心,756000)StudyonProductivityofIrrigatedStereoscopicMultiple-CroppingEcosystemsinMountainousAreaofSouthernNingxia¥DuShouyu(CelleralStationofAgriculturalTechniqueExtensionofNingxia,Yinchuan750001),TianEnping,WangZhanshan(AgriculturalTechniqueExtensionCenterofCuyuancounty,756000).ChineseJournalofEcology,1993.12(6):11-16.ThevariouscroppingecosystemsareassessedcomprehensivelyforbenefitbytheanalysisofHierarchicalprocedureandtheexpectedbeneficialva  相似文献   

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