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1.
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   

2.
李季 《生态学杂志》1993,12(2):23-24
农业生态系统的人类生态学分析模式探讨李季(北京农业大学农业生态环境科学系,100094)AnAnalyticalModelofAgroecosystemfromHumanEcologyPerspective¥.LiJi(DepartmentofEcologyandEnvironmentalSciences,BeijingAgriculturalUniversity100094).ChineseJournalofEcology,1993,12(2):23-24.Basedontheanalysisofourcurrentagro-ecologicalrcsearch,anewanalyticalmodelofagro-ecosystemkestablishedandthecontentsofitsresearcharerestructured.Theaimoftheseistoprovideamodelforthedevelopmentofregionalagriculture,whichcannotonlyexpandthecurrentrelatedtheoriesandmethodologies,but  相似文献   

3.
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   

4.
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   

5.
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   

6.
重庆地区“双千田”组合模式及效益分析郑钦玉,朱自均,胡声荣,袁可(西南农业大学,重庆630716)雷炎,李登国,程世宇,温永学,刘官堂(四川省巴县农业局)CombinationModelsof"TonGrainYieldingField"inChongqingAreaandTkeirBenefitAnalysis¥.ZhengQinyu;ZhuZhijun;HuShengrong;YuanKe(SouthwestAgriculturalUniversity,Chongqing630716),LeiYan,LiDengguo,ChengShiyu,WenYongxue,LiuGuantang(BaxianBureauofAgriculture,SichuanProvince).ChineseJoumalofEcolegy,1993,12(2):34—36.Inthelightoftheeffectsandproblemsofdevelopingwinter-croppingpaddyfieldsinChongqingareaandinordertosearchaftertheoptimummodelofref  相似文献   

7.
曲周县饲料资源及其利用率的分析   总被引:2,自引:1,他引:1  
曲周县饲料资源及其利用率的分析曹志平(北京农业大学生物学院,100094)FodderResourcesandTheirUtilizationEfficiencyInQuzhouCounty¥CaoZhipins(collegeofBiology,BeijingAgriculturatUniversity,Beijing100094)。ChineseJoumalEcofogy,1993,12(2):57-58.ThispaperanalyzesthecompositionstructureandnutrientcontentoffodderresourcesinQuzhoucountyandtheirconsumptionamountandutilizationratebyvariouskindsoflivestocks.Therelationshipbe-tweenfodderresourceandlivestockspopulationstructureisalsodiscussed.Keywords:fodderresource,livestockstructure,Quzhoucounty.1引言我  相似文献   

8.
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   

9.
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   

10.
鲁西北平原高产夏玉米生育模式董振国,鲁全国(中国科学院地理研究所,北京100101)DevelopmentMOdelofHighYieldingSummerCornonNortbwestSkandongPlain¥DongZhenguo;LuQuanguo(InstituteofGeography,ChineseAcademyofSciences,Beijing100101),ChineseJournalofE-colegy,1993,12(2):69-72.Erectandplanevarietiesofcornhavealeafinclinationof65°and50°andtheiroptimumplantingdensitiesare75000-82000and52500-60000stems·ha ̄(-1).Theleafareaindexatearsproutingstageandleafareaday(LAD)fortheformerarerespectively5.5-6.0and360-400,whilethoseforthelatterare3.5-4.0and260-300.TheL  相似文献   

11.
持续农业是生态农业的继续与发展   总被引:10,自引:2,他引:8  
持续农业是生态农业的继续与发展袁从,赵强基(江苏省农业科学院,南京210014)SustainableAgriculture—TheContinuationandDevelopmentofEcologicalAgriculture.¥YuanCongyi;ZhaoQiangji(JiangsuAcadenzyofAgriculturalSciences,Nanjing210014).ChineseJoumalofEcology,1993,12(2):13-15.Inlightoftheconditionofourcountry,thispaperintroducestheconceptsandcontentsofsustainablea-gricultureanditsquantitativeevaluationindices──sustainability,stability,equalityandharmonity(di-versity).Simplifiedsysteminput—outputequilibriumisusedtoestimatethedynamicsofsoilfertility.P  相似文献   

12.
生长素的极性运输   总被引:2,自引:0,他引:2  
生长素的极性运输李春俭(北京农业大学生物学院,北京100094)POLARAUXINTRANSPORTLinChun-jian(ColegeofBiology,BeijingAgriculturalUniversity,Beijing100094)...  相似文献   

13.
生态农业与乡村经济持续发展   总被引:1,自引:0,他引:1  
生态农业与乡村经济持续发展张壬午,计文瑛,孙鸿良(天津农业部环境保护研究所,300191)(中国农科院,北京100081)EcologicalAgricultureandSustainableDevelopmentofRuralEconomy¥.ZhangRenwu;JiWenying(Agro-environmentProteclionInstitute,Tianjin300191),SunHongliang(ChineseAcademyofAgriculturalScienccs,Beijing100081).ChineseJournalofEcology,1993,12(2):19—20.ThispaperbrieflypresentsthecurrentdevelopmentofecologicalagricultureinChinaandcompareswiththe''sustainableagricultureandruraldevelopment''(SARD)putforwardbyFAO,China’ssustainablea-gricultureisnotonlyaningenious  相似文献   

14.
辽西走廊农业生态系统区位优势分析梁文举(中国科学院沈阳应用生态研究所,110015)LocationalSuperiorityAnalysisofAgroecosystemsinWestLiaoningCorridor¥LiangWenju(InstituteofAppliedEcology,AcademiaSinica,Shenyang110015).ChineseJournalofEcology,1993,12(2):59-60.Basedontherelativeaggregationdegreesamonghierarchiesofdifferentagroecosystems,theauthorpro-posedthatlocationalquotientmodelcouldbeusedtomeasurethelocationalsuperiorityofagroecosystem.Themainpurposeofthispaperistoprovideascientificbasisforchoosingagriculturalmarketablebasesandestablishingahig  相似文献   

15.
用全息观点看农业生态经济系统   总被引:3,自引:0,他引:3  
用全息观点看农业生态经济系统曹志平(北京农业大学生物学院,100094)AnalysisofAgro-EcolomicSystemFromtheViewpointsofHolograpby.¥CaoZhiping(CollegeofBiology,B...  相似文献   

16.
曲周县畜牧业规模效益分析   总被引:1,自引:0,他引:1  
曲周县畜牧业规模效益分析曹志平(北京农业大学生物学院100094)BenefitAnalysisonAnimalHusbandryScalesinQuzhouCounty¥.CaoZhiping(CollegeofBiology,BeijingAgr...  相似文献   

17.
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   

18.
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   

19.
90年代农村发展与农业生态研究彭廷柏(中国科学院长沙农业现代化研究所,410125)RuralDevelopmentandAgro-ecologicalResearchin1990s¥.PengTingbai(ChangshaInstituteofAgri-culturalModernization,AcademiaSinica,410125).ChineseJournalofEcolegy,1993,12(2):2-3.InordertoapproachtherelatedproblemsofChina’sagro-ecologicalresearchin1990s,thispaperana-lyzedthenewtrendsofstructuralchangesinruraleconomyandagro-ecology.underconditionofsocialistmarketeconomyexpoundedsomeviewpointsonthecoordinativedevelopmentofagro-ecologyandagro-economy,thestrengtheningofabsorbi  相似文献   

20.
柞蚕林生物生产力和干物质转化研究   总被引:5,自引:0,他引:5  
柞蚕林生物生产力和干物质转化研究温达志,杨思河(中国科学院华南植物研究所,广州510650)(中国科学院沈阳应用生态研究所,110015)姜波(辽宁省蚕业科学研究所,凤城118101)BioproductivityandDryMatterTransferofTussah-FeedingOakForest¥WenDazhi(SouthChinaInsti-tuteofBotany,AcademiaSinica,Guangzhou510650),YangSihe(InstituteofAppliedEcology,A-cademiaSinica,Shenyang110015),JiangBo(InstituteofSericulturalScience,Fengcheng,LiaoningProvince113100).ChineseJournalofEcology,1993,12(1):5-10.ThepresentstudydealswiththebioproductivityanddrymattertransferofChineseTussah-feedingoakforestinhillyareaofe  相似文献   

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