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1.
江苏宝华山栎林生态系统凋落物及其元素动态 总被引:2,自引:0,他引:2
江苏宝华山栎林生态系统凋落物及其元素动态梁珍海(江苏省林业科学研究所,南京211153)LitterfallanditsElementsDvnamicsinQuerousvariabilisEcosysteminBaohuashanofJiangsuProvince¥LiangZhenhai(ForestryResearchInstituteofJiangsuProvince,Nanjing211153).ChineseJournalofE-coloLry,1993,12(5):17-20。ThispaperpresentssomeaspectsofthecomprehensiveresearchonaQ,variabilisecosysteminBao-huashanNaturalReserveinJiangsuProvince,Theannuallitterfallamountis5359.5kg.ha ̄1inthise-cosvstemfrom1989to1990.withtwopeaksappearinginMayandNovernber.Thecontantsoffiveele-ments(N,P 相似文献
2.
勐腊锡叶藤 新种 图1TetraceraxuiH-ZhuetH-Wang,sp-nov-pl-AffinisT-scandenti(Linn-)Merr-sedinflorescentiisminoribus,paucifloris,sepalismajoribus1-5cmlongisinstatufructuextusdensevillosis,staminibus1cmlongis,capsulismajoribushirsutis,1-5~2cmlongis,1-2~1-5cmlati… 相似文献
3.
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
4.
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
5.
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
6.
改变林分结构提高松林对松毛虫的自控能力 总被引:1,自引:0,他引:1
改变林分结构提高松林对松毛虫的自控能力周石涓,彭建文(湖南省林业科学研究所,长沙410004)ForestStructuralModificationinImprovingSelf-regulatingCapabilityofPineForestAgainstDen-drolimusPuncts¥ZhouShijuan;PengJianwen(HunanInstituteofforestryscience,Changsa410004).Chi-neseJournalofEcoloLyy,1993,12(5):9-12。Thispaperdescribesthesignificantchangesofforestbiologicalstructcure,succeedingfromsparsepurepineforesttopine-shrubmixedforestandtomulti-layerpine-broadleavedmixedforestcommunityduringthreedecadesofclosingmountainsandrearingforests。TheNaturalparasiti 相似文献
7.
8.
新疆吐哈盆地大南湖煤田早、中侏罗世孢粉组合及其地层意义 总被引:6,自引:0,他引:6
描述了孢粉化石9新种、1未定种。根据孢粉属种及其含量变化自下而上建立3个孢粉组合:1)Osmundacidites-Dictyophyllicites-Cycadopites组合;2)Cyathidites-Neoraistrickia-Quadraeculina组合;3)Cyathidites-Concavissimisporites-Quadraeculina组合。第一组合产自ZK203孔煤窑沟组第一岩性段,时代暂定为早侏罗世;第二组合产自ZK203孔煤窑沟组第二岩性段至第四岩性段,时代定为中侏罗世早期;第三组合产自ZK282孔煤窑沟组第五岩性段和ZK42孔三间房组,其时代定为中侏罗世晚期。 相似文献
9.
洞庭湖滨湖湿地平原农村生态工程初步研究严斧,游有林,刘劲凡,卢源德,周为民(中国科学院生态环境研究中心系统生态室沅江课题组,大庸市416600)RuralEcologicalEngineeringonWetlandPlainofDongtingLakeside¥.YanFu;YouYoulin;LiuJinfan;LuYuande;ZhouWeimin(YuanjiangResearchGroup,ResearchCenterforEco-environmentalScience,A-cademiaSinica,Dayong416600).ChineseJournalofEcology,1993,12(2):45—48.AccordingtothemaintypesofresourcecombinationsonwetlandplainofDongtinglakeside,severaleco-logicalengineeringsincludinglakesidereed-forest,lowlandrice-fish-ramie,rnanure-forage-fuel,fish-pig-duckandf 相似文献
10.
西藏生态农业探讨刘明允,王德亭(西藏农牧学院,八一850400)EcologicalAgricultureinTibet¥.LiuMingyun;Wangbeting(TibeiCollegeofAgricldturalandAnimalHusbondry,850400).ChineseJournalofEcology,1993,12(3):73-75.Inthispaper,fourbasicprinciplesconcerningtheconservationofecologicalagricuItureinTibetareputforwardandsomecharacteristicsandoperatedagrotechniquesofTibe'secologicalagricuIturearesumma-rized.Basedonthese,agro-ecosystemsinTibetareclassifiedintotwogroups,i.e.,temperate-humidforestry-agriculture·animalhusbandrycombinedecosystemandarid- 相似文献
11.
Zhang Chunzhi Jin Fengxie Hisao Ohtake ** Kiyoshi TodaInstitute of Applied Microbiology of the University of Tokyo Department of Food Science Biotechnology Dalian College of Light Industry Baoding-Jie No. Zhongshan-Qu Dalian P. 《中国微生态学杂志》1999,(6)
Celluloseisthemostabundantnaturalbiopolymer.Howtoutilizeorhydrolyseitisaveryimportantprob-leminthefieldofbiotechnology.Sixstrains(JT)ofthermophilicanaerobicandcellulyticbacteriawereiso-latedfromcamelfeces,compost,soilandhotspringwa-terinJapan.Thesest… 相似文献
12.
河南开封淀粉厂生态经济示范工程结构模型与投入产出模型的研究 总被引:1,自引:0,他引:1
河南开封淀粉厂生态经济示范工程结构模型与投入产出模型的研究刘玉萃,赵伟(河南农业大学,郑州450002)StructuralModelandInput-OutputModelofEcolomicalDemonstrationProjectinKaifengStarchFac-toryofHenanProvince¥.LiuYucui;ZhaoWei(HenanAgriculturalUniwrsity,Zhengzhou450002).Chi-neseJourualofEcology,1993,12(2):61-65.Basedontheintegrityofsystemandrelationshipbetweenvarioussubsystemsandemployingtransitionalstructuralmodel,themultilevelgradientstructuresofsystemarefoundfromtemporalandspatialdimen-sions.Accordingtothedissipateandreproductivefeaturesofecosystemandus 相似文献
13.
部分裸子植物叶片总蛋白分析 总被引:1,自引:0,他引:1
采用SDS- PAGE 技术, 分析了红豆杉科(Taxaceae) 植物南方红豆杉( Taxus chinensisvar- mairei (Lemee et Levl-) Cheng et L-K-Fu) 、穗花杉( Amentotaxus argotaenia (Hance) Pil ger) 、云南穗花杉( A- yunnanensis Li) 、白豆杉( Pseudotaxuschienii(Cheng) Cheng) 以及三尖杉科(Cephalotaxaceae) 、植物三尖杉( Cephalotaxus fortunei Hook-f-) 、粗榧( C-sinensis (Rehd-etWils-) Li) 、海南粗榧( C-hainanensis Li) 、篦子三尖杉( C-oliveri Mast-) 和罗汉松科(Podocarpaceae) 、植 物罗汉松 ( Podocarpus macrophyllus ( Thunb- ) D-Don) 、鸡毛 松( P-imbricatus Bl-) 、竹柏( P- nagi(Thunb-) Zoll) 、陆均松( Dacrydium pierrei Hickel) 共12 种植物的叶片蛋白, 在蛋白质水平上采用 相似文献
14.
从石竹科植物多荚草(Polycarpon prostratum(Forssk.)Aschers.et Schwein.ex Aschers)中分离得到3个新的柴胡皂甙类化合物:prostratoside A ̄C(1 ̄3)。它们的结构通过波谱方法分别鉴定为:3-O-{β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-「β-D-glucopyranosy 相似文献
15.
云衫针层孔菌化学成分的研究 总被引:7,自引:1,他引:6
从云衫针层孔菌Phellinus yamanoi(Tamz.)shaw分离得到12个化合物,借助光谱分析鉴定为:8,11,13-abietadien-18-oic acid(1),1,2-benzenedi-carboxylic acidbis(2-ethyl-hexyl)ester(2),ergosterol peroxide(3),ergosta 7,22(E)-iden-3-ol(4),ergosta 7,22(Z)-dien-3-ol(5),octadecanoic acid-1,3-propanediyl ester(6),octadecanoic acid(7),8(19),14-labdadien-13-ol(8),ergosta-4,6,8(14),22-tetraen-3-one(9),化合 相似文献
16.
从生态位观点评价苏南地区种植业结构调整 总被引:1,自引:0,他引:1
从生态位观点评价苏南地区种植业结构调整高德明(南京农业大学农学系,210014)EvaluationofCroppingStructureAdjustlnentsinSouthernJiangsufromtheViewpointsofNicbeTkeory¥.GaoDeming(DepartmentofAgronomy,NanjingAgriculturalUniversity,210014).ChineseJournalofE-cology,1993,12(2):43-44.AccordingtotheconcreteconditionsinsouthernJiangsu,thesignificance,necessityandpossibilityofad-justingcroppingstructureareevaluatedfromtheviewpointsofnichetheory.Theefficienciesoftwocrop-pingsystemsinutilizingpaddyfieldnichesareanalyzedandtheresultsshowthatthecroppingpat 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.
昆虫胁迫下的植物应激反应模式 总被引:10,自引:0,他引:10
昆虫胁迫下的植物应激反应模式王海波(复旦大学生命科学学院,上海200433)TheStressReactionModelofPlauttoInsect’sPressure¥WangHaibo(DepartmentofBiology,FudanU-niversity,Shanghai200433);ChineseJournalofEcology,1993,12(6):46-48.Onthebasisofexperiments,anewsetofmodelsaboutplant’sintegrativereactionunderinsects’pres-sureisproposedThemodelscanbedividedintotwoparts:distinguishingreactionmodelandstressreac-tionmodel.TheformerpartindicatesthatplanthasonekindofconvergentphysioIogicalstressreactioninadversesituations,nospecialreactionofdistinguishinga 相似文献
19.
农业生态学在我国发展的回顾与展望 总被引:5,自引:0,他引:5
农业生态学在我国发展的回顾与展望骆世明(华南农业大学,广州510642)ReviewandPerspectiveonDevelopmentofAgroecologyChina.¥LuoShiming(SouthChinaAgriculturalUniversity,Guangzhou510642).ChineseJournalofEcology,1993,12(2):4-6.Inlastdecade,greatprogresshasbeenmadeintheteachingandresearchofagriculturalecologyinChi-na,butsomeobstaclesstillexistonhowtounderstandagroecology.Ifwecanrecognizethesocialde-mandofagroecologyanditspositioninagriculturalscienceandpayattentiontothedescription,assess-ment,experimentandanalysisofagroecosystemmodels,thequanti 相似文献
20.
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