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1.
黄土高原粮食生产与水土流失和水土保持的相关分析 总被引:3,自引:3,他引:0
黄土高原粮食生产与水土流失和水土保持的相关分析黄占斌,张锡梅(中国科学院水利部西北水土保持研究所陕西杨陵71200)CorrelationAnalysisonGrainProduction,SoilErosionandSoilandWatreConservationinLoessPlateau¥.HuangZanbin;ZhangXimei(NorthwesternInstituteofSoilandWaterConservation,AcademiaSinicaandMinistryofWaterCoservalion,Yangling,Shaanxi,712100):ChineseJOurnalofEcology,1993,12(3):47-52.ThispaperanalysesthemutualinfluencebetweengrainproductionandsoilerosionintheloessPlateau.Itisfoundthatgrainproductivityisnegativelycorrelatedwiththepercentageofsoilerosionareaintota 相似文献
2.
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
3.
道路农田防护林系统水分关系研究 总被引:4,自引:0,他引:4
道路农田防护林系统水分关系研究任勇,王佑民(北京林业大学,100083)(西北林学院,陕西杨陵712100)WatcrRelationsinFarmlandShelterbeltSystembytheRoads.RenYong¥(BeijinigForeslryUziuersity,100083),WangYoumin(NorthwesternCollegeofForestry,Yangling,Shaanxi,712100).ChineseJournalofEcology,1993,12(4):l-6.IntheregionfromloessplateautoNorthWeiRiver,20-100cmsoillaveristhemainlaverfromwhichtherootsystemofP.×dakuanensisHsuabsorbswater,and0-0.1HistherangeinwhichP.×dakua-nensisbytheroadsstronglyaffdctsbytheroadsstronglyaffectsmoistureconditionoffarmland.Theannual 相似文献
4.
非致病微生物在植物—病原菌协同进化中的作用 总被引:2,自引:0,他引:2
非致病微生物在植物-病原菌协同进化中的作用单卫星(西北农业大学植保系,陕西杨陵712100)TheRoleofNon-pathogenicMicroorganismsinPlant-pathogenCoevolution¥ShanWeixing(Depart-mentofPlantProtection,NorthwesternAgriculturalUniversity,Yangling,Shaanxi712100).ChineseJournalofEcology,1993,12(6),54-59.Inviewofpresentproblemsassociatedwithplantdiseasecontrol,coupledwithrecentadvancesinbiolog-icalcontrolofplantdiseasesandplant-pathogeninteractions,theauthorpointedouttheimportanceofnon-pathogenicmicroorganismsinhabitingplantsurfacesinregulationofplant-pathoge 相似文献
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6.
棉花苗蚜尖角突变模型及其分析 总被引:1,自引:0,他引:1
棉花苗蚜尖角突变模型及其分析赵惠燕,汪世泽,岳妙云(西北农业大学植保系,陕西杨陵712100)CuspMutationModelofCottonSeedlingAphidsandItsAnalysis¥ZhaoHuiyan;WangShize;YueMiaoyun(DepartmentofPlantProtection,NorthwesternAgriculturalUniversity,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(1):62-66。Thedynamicsystemofcottonseedlingaphids,itsnaturalenemiesandclimateisstudied.Adefinitemodelofcuspmutationissetupandmutationregionsaredetermined.Thecontrolandstatevariablesofthesystemvarywithtime,andtheboundaryvaluesdeterminedbycontrolvariables 相似文献
7.
生态系统稳定性研究的历史与现状 总被引:27,自引:2,他引:25
生态系统稳定性研究的历史与现状刘增文李雅素(西北林学院,陕西杨陵712100)HistoryandStatusofResearchofEcosystemStability.LiuZengwen,LiYasu(NorthwesternColegeofF... 相似文献
8.
黄土高原适生树种苗木的耗水特性 总被引:40,自引:3,他引:37
黄土高原适生树种苗木的耗水特性韩蕊莲,梁宗锁,侯庆春,邹厚远(中国科学院西北水土保持研究所,杨陵712100)WaterconsumptionpropertiesofadaptablenurserystocksonLoessplateau¥HanRu... 相似文献
9.
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
10.
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
11.
有机体之间化学相互作用的研究及其应用 总被引:3,自引:0,他引:3
有机体之间化学相互作用的研究及其应用宋启示(中国科学院昆明生态研究所,650223)ChemicalInteractionAmongOrganismsandTheirApplication¥SongQishi(KunmingInstituteofEcolo-gy,AcademiaSinica650223).ChineseJournalofEcology,1993,12(1):45-48。Thispaperreviewsthemostactiveresearchfieldsonchemicalinteractionamongorganisms:(1)allelopa-thyamongplants,whichiswidelyappliedinagricultureandhorticulture,(2)biochemicalinteractionbe-tweenplantsandinsects,(3)biochemicalinteractionamonginsectsand(4)biochemicalinteractionamongmammalsandbetweenmammalsandplants.Inaddit 相似文献
12.
黄土丘陵区柠条林地养分状况及其循环规律 总被引:16,自引:1,他引:15
黄土丘陵区柠条林地养分状况及其循环规律刘增文李雅素(西北林学院,陕西省杨陵712100)FertilityandElementsBio-CyclingsoftheCaraganaMicrophylaL.ForestlandintheRolingLoe... 相似文献
13.
祁连山植被水文效应的多层次Fuzzy综合评判 总被引:8,自引:0,他引:8
祁连山植被水文效应的多层次Fuzzy综合评判车克钧,傅辉恩(甘肃省张掖祁连山水源林研究所734000)Multiple-LevelFuzzyComprehensiveEvaluationonHydrologicalFunctionsofVegetationsontheQilianMountains¥.CheKejun;FuHuien(QilianMountainsInstituteofForestforWaterSourceConservation,Zhangye,GansuProvince734000).ChineseJournalofEcology,1993,12(3):31-35.BymeansofmuItiple-levelfuzzycomprehensiveevaluation,thehydrologicalfunctionsoffourvegetationtypesareanalyzed.PiceacrassifoliaforestisshowntobethebesttypeforwaterconservationonQilianmountains,Sabinaprzewlskiiforesta 相似文献
14.
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
15.
沈阳水资源保护与水质管理李秀鸿(沈阳环境科学研究所,110005)WaterResourceConscrvancyandWaterQualityControlinShenyang¥LiXiouhong(ShenyangInstituteofEnvironmentalscieilce,110005).(ChineseJournalofEcology,1993,12(5):45-48。Theoverallandlongtermimpactsofwaterresourceshortageandwaterpollutiononeconomicdevelop-ment,humanlifeandecologicalenvironmentinShenyangarediscussedinthispaper.Itispointedoutthatinordertosolvetheseproblems,areasonablecontrolpolicyandcorrespondingtechnologymustbeadoptedincombiningwiththedevelopmentandConservancyofexistin 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.
检测大麦抗BYDV的蚜虫获毒的酶联免疫吸附法 总被引:1,自引:0,他引:1
检测大麦抗BYDV的蚜虫获毒的酶联免疫吸附法刘常宏(陕西省植物保护研究所,陕西杨陵712100)S.Haber(AgricultureCanada,WinnipegResearchStation,Canada)关键词酶联免疫吸附法,大麦,大麦黄矮病毒... 相似文献
18.
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
19.
生态学的精神价值 总被引:1,自引:0,他引:1
生态学的精神价值陈清硕(江苏农学院扬州225001)SpiritualValueofEcology¥.ChenQingshuo(JiangsuAgriculturalCollege,Yangzhou225001):ChineseJournalofEcology,1993,12(3):68-72.Thispaperdescribesthefunctionsofecologyintheprogressofsocialideologyandcivilization.Ecologyhelpsbringintobeingtheconstructionofascientificworldoutlookandincreasetheecologicalconscious-nessofmankind.Italsosuppliesatotaldevelopmentalpointofviewforthesocietyandprovidesagreataestheticvalue.Thespiritualvalueofecologyshouldneverbeneglected.Keywords:socialecology,ecol 相似文献
20.
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