Climate Change Data Portal
| Plant–microbe interactions in deep time: A multidisciplinary study of Permian microorganisms associated with tree ferns, and their responses to climate change | |
| 项目编号 | http://gepris.dfg.de/gepris/projekt/404803300 |
| sProfessor Dr. MichaelKrings | |
| 项目主持机构 | Staatliche Naturwissenschaftliche Sammlungen Bayerns (SNSB) |
| 开始日期 | 2018 |
| 英文摘要 | TheendofthelatePaleozoiciceage(Pennsylvanian-Permian)resultedinconsiderablechangesofvegetationdynamicsandrepeatedvariationsintropicalclimate.Thistimeintervalcanthereforebeviewedasananalogueofpresent-dayglobalchange.Whilemanystudieshavefocusedontheparameterscausingprofoundchangesandlarge-scaleeffectsontheecosystemsthatoccurredduringthisdynamicperiodoftime,small-scaleinvestigationsthataddressspecificorganismalinteractionsinlocalcommunitiesareveryrare.ThelowerPermianofManebach,Germany,partoftheThuringianForestBasinreferencesection,havebeencollectedfornearly200years,inparticularforspecimensofthegloballydistributedtreefernPsaronius.Asseveralrecentstudieshaveprovidednewinsightsintogeology,stratigraphy,palaeoecologyand-climatologyofthatsite,amorecompletecharacterizationofthepalaeoecosystemandoneofitsmajorplantconstituentshasnowbecomepossibleandwillprovideinsightsintothegeo-biologicalconstraintsofitslifeandpreservation.Basedonexceptionallywellpreservedhistoricalspecimensandnewlycollectedones,wewillinvestigatethediverseassemblagesoffungiandfungus-likemicroorganismsthatoccurwithinthedifferenttissuesofPsaroniusandother3D-preservedplants.Wewilldocumentthediversityofmicrobesassociatedwiththeplants,mapouttheirdistributionpatterns,andassessthebiologicalnatureofthevariousmicrobialinteractionswiththehostplantsinordertounderstandthelevelsofinterrelatednessthatcharacterizedindividualplantsashabitatsandmicro-ecosystems.Wewillinvestigatethetaphonomicconditionsandpathwaysthathaveledtotheexceptionalpreservationofmicroorganismswithintheplants.Followingthe2016excavation,wehaveinitiatedresearchonthesedimentaryenvironmentandspecificpreservationcircumstancesthathaveresultedinuniquesnapshotsoftheecosystem.WesubmitthattheoutcomesfromourresearchwillsubstantiallyincreasetheknowledgeoftheinterrelationshipsbetweenplantsandmicrobesandhowtheyrespondedtoclimateandenvironmentalchangeintheearlyPermian.Wewillcontributetoabetterunderstandingoftherolesdifferentmicroorganismsplayedintheecosystemsinwhichtheylived,andhowtheyaffectedtheevolutionofterrestrialcommunities.StudywillfocusonadynamicpalaeoenvironmentthatwasnestedwithinaninterregionaltraceablewetphaseintheCisuralianandrepresentsoneofthelastcoalswamprefugiaintheVariscaninterior.Ourintegrativeapproachencompassesmethods,e.g.,geologicalfieldwork,light-microscopicanatomicalstudybasedonthinsections,cathodoluminescenceandscanningelectronmicroscopywithorientationcontrastimagingbybackscatteredelectronsandelectronbackscatterdiffraction,andgaschromatography–massspectrometrygeochemicalstudiestoassesstaphonomicprocessesandconstraints. |
| 学科分类 | 0802 - 地质学;08 - 地球科学 |
| 资助机构 | DE-DFG |
| 项目类型 | Research Grants |
| 国家 | DE |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/69380 |
| 推荐引用方式 GB/T 7714 | sProfessor Dr. MichaelKrings.Plant–microbe interactions in deep time: A multidisciplinary study of Permian microorganisms associated with tree ferns, and their responses to climate change.2018. |
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