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本文记述神农架地区隙蛛属和蟋蛛属的蜘蛛三新种:珍珠隙蛛Coelotes baccatus sp.nov.;距形隙蛛Coelotes calcariformissp.nov.;象牙蟠蛛Cicurina eburnussp.nov.。 相似文献
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壁山县农田生态系统中氮肥利用与平衡的研究何新华(云南师范大学生物系,昆明650092)NBalanceinAgroecosystemofBishanCountyafterApplyingNitrogenousFertilizers¥HeXinhua(Depart-mentofBiologyYunnanNormalUniversity,Kunming,650092).ChineseJournalofEcology,1993,12(5):29-35。Theinputandoutputofnitrogenandgrainyieldduring1949-1980inBishanCountyareanalysed.Theresultsshowthatnitrogenconsumptionishigherthanitsaccumulation(-31.6%,+14.0%)andthera-tiooforganic-Ntochemlcal-Nisobviouslyindisorder(2.00:0.67).Itissuggestedthatnitrogenbal-ancecanbemaintainedthroughpla 相似文献
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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
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全球变化与可持续发展 总被引:22,自引:2,他引:20
全球变化与可持续发展彭少麟(中国科学院华南植物研究所,广州510650)GlobalChangeandSustainableDevelopment.PengShaolin(SouthChinaInstituteofBotany,AcademiaSi... 相似文献
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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
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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
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我国森林野生动植物多样性的特点和保护概况 总被引:7,自引:0,他引:7
我国森林野生动植物多样性的特点和保护概况陈炳浩(中国林业科学院林业研究所北京100091)ForestWildBiospeciesDiversityandItsPreservationinChina¥.ChenBinghao(ResearchlnstituteofForestry,ChineseAcademyofForestry,Beijing100091).ChineseJournalofEcology,1993,12(3):39-43.Thispaperexpoundedthemeaningofpreservingforestwildbiospeciesdiversity,analyzedthebasicchar-acteristicsofbiospeciesdiversityinChina,itspresentsituationandexistingproblemsinpreservationwork,andputforwardsomecountermeasuresrelatedtothepreservationofforestwildbiospecies.Keywords:forestwildbio 相似文献
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大连潮间带底栖海藻群落的数量特征和优势种的季节变化 总被引:5,自引:0,他引:5
大连潮间带底栖海藻群落的数量特征和优势种的季节变化熊韶峻,王献平,郭旭光(辽宁师范大学生物系,大连116022)SeasonalVariationofQuantitativeCharactersandDominantSpeciesofBenthicSeaweedCommunitieswithinIntertidalsinDalian,China¥.XiongShaojun,WangXianping,GuoXuguang(DepartmentofBiolo-gy,LiaoningNormalUniuersity,Dalian116022).ChineseJournalofEcology,1993,12(4):27-29.Thecomposition,coverage,biornassanddorninantspeciesofbenthicseaweedcornmunltywithinintertidalinDalian,ChinaweremonthlyinvestigatedfrornMarch1990toMarch1991.Itisxhownthat1).thegen-eraltendencyofseaso 相似文献