共查询到20条相似文献,搜索用时 15 毫秒
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 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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《中国生物化学与分子生物学报》1999,15(4):537-537
Atthe18thInternationalCongressofBiochemistryandMolecularBiology,Birmingham,EnglandTheInternationalUnionofBiochemistryandMolecularBiology(IUBMB),theFederationofEuropeanBiochemicalSocieties(FEBS),andtheBiochemicalSocietyannouncethesponsorshipofaSympos… 相似文献
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四川省都江堰龙池地区苔藓植物染色体的研究 总被引:1,自引:0,他引:1
报道了四川省都江堰市龙池地区6种苔藓植物配子体的以体研究结果,5种材料均取其生长点或茎尖,观察和计数了细胞有丝分裂中期的染色体数,1.中华扁萼苔(Radullachinensis Steph.var.roptudistipa)n=8;2.蛇苔(Conocephalum conicum(L.)Dun.)=9;3.长齿匍灯藓(Plagiomnium drummondii (Bruch.& Schimp 相似文献
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洞庭湖滩血吸虫易感地带保水生态灭螺的试验研究张元培,朱南屏(湖南省水产科学研究所沅江413100)(湖南省华容县血防站414200)EcologicalEIiminationofSnail(Oncomelania)byRctainingWaterinBloodFluke(Schistosoma)Suscepti-bleRegionsAroundDongtingLake¥.ZhangYuanpei(InstituteofFisheriesResearchofHunanProvince,Yuanjiang413100),ZhuNanbing(StationofSnailFeverControlofHuarongCounty,HunanProvince,414200).ChineseJournalofEcology,1993,12(3):23-25.Inbloodfluke(Schistosoma)susceptibleregionsofthelakebeach,experimentsofwaterinundatedelimi-natingsnail(Oncomelania)arecarriedoutbybuil 相似文献
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沈阳市东陵区景观生态潜力研究 总被引:6,自引:1,他引:5
沈阳市东陵区景观生态潜力研究赵羿,吴彦明(中国科学院沈阳应用生态研究所,110015)邓百祥(辽宁省水利水电勘测设计研究院,沈阳110006)EcologicalPotentialofLaudscapeinDonglingDistrictofShenyang¥ZhaoYi;WuYanming(InstituteofAppliedEcology,AcademiaSinica,Shenyang110015),DengBaixiang(LiaoningAcademyofWaterCon-servancyandWaterPowerSureeyingandDesigning,Shenyang110006).ChineseJournalofEcology,1993,12(5):1-8。Ecologicalpotentialoflaudscapeconsistsofitsproductivepotential,ecologicalpotentialandpricelesspo-tential.Throughcalculatingdifferentproductivepotentials(photosyntheticpot 相似文献
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西藏林芝真蚋亚属三新种(双翅目:蚋科) 总被引:3,自引:0,他引:3
本文记述西藏林芝真蚋亚属Eusimulium三种:凸端真蚋Simulium(Eusimulium)concavustylumsp.nov.、林芝真蚋Simulium(Eusimulium)lingziensesp.nov.、裂缘真蚋Simulium(Eusimulium)schizolomunsp.nov 。 相似文献
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峨眉山艾纳香属一新种 总被引:2,自引:0,他引:2
峨眉山艾纳香属一新种祝正银(四川省中药学校,四川峨眉山614201)ANEWSPECIESOFBLUMEAFROMEMEISHANZhuZhengyin(SichuangcholofChineseMateriaMedica,Emeishan,Sich... 相似文献
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油松林带对径流的调节作用 总被引:2,自引:0,他引:2
油松林带对径流的调节作用王维华,朱劲伟(中国科学院沈阳应用生态研究所,110015)TheEffectofPinustabulaeformisSkelterbeltinRunoffRegulation¥WangWeihua;ZhuJinwei(InstituteofAppliedEcology,AcademiaSinica,Shmyang110015).ChineseJoumalofEcology,1993,12(6):17-20.TheroleofPinustabulaeformisshelterbeltinredistributionofatmosphereprecipitationisdemonstratedbyfieldmeasurementsonawaterbalancetrialfield.38.3%ofprecipitationwasinterceptedbythecanopy,Dominantfactorsinfluencingcanopyinterceptionarerainfallamountandrainfallintensity,Thesloperunoffgeneratedwas1 相似文献
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黄土高原的土壤水分利用与生态环境的关系 总被引:12,自引:0,他引:12
黄土高原的土壤水分利用与生态环境的关系韩仕峰,黄旭(中国科学院西北水土保持研究所,陕西杨陵712100)(水利部西北水土保持研究所,陕西杨陵712100)RelationshipBetweenSoilWaterUtilizationandEcologicalEnvironmentintheLoessPlateau¥HanShifeng;HuangXu(NorthwesternInstituteofSoilandWaterConsereation,AcademiaSinica,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(1):25-28。It'sconsideredbytheauthorsthattherearethreekindsofproblemsinutilizationofsoilwaterresourcesintheLoessPlateau:1.formationofadefinitethicknessofdrysoillayerduetointensivewaterabsorp-tionandconsumption 相似文献
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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 总被引:9,自引:1,他引:8
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
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温度对麦长管蚜的影响 总被引:6,自引:0,他引:6
温度对麦长管蚜的影响汪世泽,郝树广(西北农业大学陕西杨陵712100)EffectsofTemperatureonEnglishGrainAphid¥.WangShize;HaoShuguang(NorthwesternAgriculturalUniversity,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(3):53-56.InanexperimentalpopulationofEnglishgrainaphid,thedevelopmentrateV(t)ofalataeislowerthanthatofapterae,andtheV(t)of4thinstarofalataeistheIowest.Thealataeappearstobeabletotoler-ateawiderrangeoftemperature,butthesurvivalcurveisaffectedevidentlybyit.Atlowtemperature,thecurvedeclinesslowly,butathightemperature 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
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不同生态条件下苹果叶面附生物种群演替的初步研究 总被引:2,自引:0,他引:2
不同生态条件下苹果叶面附生物种群演替的初步研究陈功友,郑铁民,任国兰,时向阳(河南农业大学,郑州450002)郭艳春,宋爱仙(河南省植保总站,郑州450002)(郑州市园艺场,450002)SuccessionofEpiphyticMicrofloraPopulationsonApplePhylloplaneunderDiffcrentEcologicalCondi-tions¥.ChenGongyou,ZhengTiemin,RenGuolan,ShiXiangyang(Henan,AgriculturalUniuersity,Zhengzhou450002),GuoYanchun(HenanGeneralStationofplantprotection,Zhengzhou450002),SongAixian(HorliculturalFarmofZhengzhouMunicipality,Zhengzhou450002).(ChineseJournalofEcology,1993,12(4):7-13.Seasonalvariationsofepiphyticmicrofloraonapplephyll 相似文献
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人类生产活动对土壤生态系统的影响 总被引:2,自引:0,他引:2
人类生产活动对土壤生态系统的影响武志杰(中国科学院沈阳应用生态研究所,110015)InfluenceofHumanActivityonSoilEcosystem¥.WuZhijie(InslituteofAppliedEcology,AcademiaSini-ca,Shenyang110015).ChineseJournalofEcology,1993,12(4):47-51.Therelationshipbetweenhurnanactivityandsoilecosytemisanalysed.Soilecologicalstructureanditsfunctionaregreatlyinfluencedbyhumanactivities,suchasfarming,fertilization,irrigationandpollution.Soilecosystemurgentlyneedstobeprotected.Keywords:soilecology,humanactivity,soilecosystem.1总论土壤生态系统是一种人工干预最多的生态系统。对于土壤生态系统,人类首要的企图是维持 相似文献
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浅谈沙区资源开发利用的生态观 总被引:6,自引:0,他引:6
浅谈沙区资源开发利用的生态观姜凤歧,朱教君(中国科学院沈阳应用生态研究所110015)DeveloplnentandUtilizationofSandlandfromEcologicalVicw¥.JiangFengqi.ZhuJiaojun(InstituteofAppliedEcology,AcademiaSinica,Shenyang,110015).ChingesJournalofEcology,1993,12(3):44-46.Withthenaturalresourcedeficientandpopulationincrement,itisimperativetodevelopandutilizesand.1andresource.However,sandlandisthefrailestlinkinthewholeterrestrialecosystem.Inthispaper,thedesertificationcontrolmodelandthenecexsityandpossibilityofsandlandresourcesareexpoundedfromecoloflicalview 相似文献
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诌议土壤盐渍化的生态防治 总被引:24,自引:1,他引:24
诌议土壤盐渍化的生态防治王春裕(中国科学院沈阳应用生态研究所,110015)DiscusiononEcologicalControlofSoilSalinization.WangChunyu(InstituteofAppliedEcology,Aca... 相似文献
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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
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最大概率原理在农田生态系统中的应用 总被引:6,自引:0,他引:6
最大概率原理在农田生态系统中的应用姚建民(山西省农科院农业资源综合考察研究所,太原030006)马蓉丽(山西省农科院蔬菜研究所,太原030006)ApplicationofMaximumProbabilityPrincipleinFarmlandEcosystem¥.YaoJianmin(InsliluteforCom-prehensiveSurveyofAgriculturalResources,ShanxiAcademyofAgriculturalSciences,Taiyuan030006),MaRongli(InslituteofVegetableResearcgh,ShanxiAcademyofagriculturalSciences,Taiyuan(030006).Chinese,JpurnalofEcology,1993,12(4):58-60.Inordertostrengthenthepracticabilityofmaximumprobabilityprinciple,thispapergivesoutsomees-sentialconditionsneededforapplyingth 相似文献