Climate Change Data Portal
| Patterns and Pace of Polar Bioerosion | |
| 项目编号 | http://gepris.dfg.de/gepris/projekt/387793556 |
| Dr. MaxWisshak | |
| 项目主持机构 | Senckenberg am Meer |
| 开始日期 | 2017 |
| 英文摘要 | Intheunderstandingofbiosedimentaryprocesses,researchonbioerosionisgainingmomentum,acknowledgingtheimportantroleofthisprocessincarbonate(re)cycling,andthesignificantimpactofthepresentglobalchange(oceanacidification,oceanwarming,eutrophication)onthisprocess.Inthemarinerealm,investigationsinbioerosionoftropicalcoralreefsarefaradvanced,andresearchontemperatesettingshascaughtuptosomedegree.Studiesaboutbioerosionofpolarcarbonates,incontrast,areanecdotalandmerelydescriptive-despiteprominentcentresofcold-watercarbonateproductionbeingsituatedinthepolarbiogeographicrealm.Thisverygapinresearchisthesubjectofthepresentproposal.Theprojectcomprisesasetoffivecloselyinterlinkedobjectivesthatareultimatelydirectedtowardsabetterunderstandingofthequalitativeandquantitativeroleofbioerosioninpolarcarbonatefactoriesanddepositionalenvironments.Theseobjectivesare(i)toelucidatetheichnodiversityofpolarmicrobioerosion,macrobioerosion,grazing,andattachmentetching,asreflectedinthevariousbioerosiontracesfoundinpolarskeletalcarbonates,(ii)tostudythebathymetricaldistributionpatternofthesebioerosiontracesasafunctionofthephoticzonation,(iii)tostudytheecophysiologicaltolerancelimitsofkeybioerodersinrespecttoseasonalityandtemperaturebystudyingthelatitudinallimitsintheoccurrenceoftheirbioerosiontraces,(iv)todrawacomparisonoftheaboveaspects,bothbetweenpolarbioerosionindifferentsitesintheArctic,aswellasbetweentheArcticandAntarctica,and(v)tocalculateratesofpolarbioerosionforconcludingalatitudinaltransectofcarbonatecyclingexperiments-undertakenbytheapplicantinrecentyears-spanningthetropics,warm-temperate,cold-temperate,andnowalsopolarwaters.TheproposedstudywillprimarilybebasedonexperimentalsubstratesfromsettlementplatformsthatweredeployedintheSvalbardArchipelagoandrecoveredafter10yearsofexposureduringM.S.MERIANcruisesMSM2and55,respectively,andonsamplesofmarineepibenthiccalcifiersthatweresampledduringthesecruises.Foramorecomprehensivepictureonpolarbioerosion,theproposedprojectextendstheanalysisfromtheSvalbardsettingstocomparablematerialfromtheCanadianArctic,andtocarbonatessampledinthepolarSouthernOceanaroundAntarctica.Thiswill,forthefirsttime,allowacharacterisationanddirectcomparisonofbioerosiontracesandtraceassemblagesbetweenthepolarregionsofbothhemispheres,andhelpustogainabetterunderstandingoftheroleofbioerosioninthedynamicsofcarbonate(re)cyclinginpolarcarbonatefactories. |
| 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 |
| URL | http://gepris.dfg.de/gepris/projekt/387793556?language=en |
| 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/69562 |
| 推荐引用方式 GB/T 7714 | Dr. MaxWisshak.Patterns and Pace of Polar Bioerosion.2017. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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