Climate Change Data Portal
| Effects of combined climate change stressors on coral reef fish offspring | |
| 项目编号 | http://gepris.dfg.de/gepris/projekt/393711240 |
| Dr. BjörnIlling | |
| 项目主持机构 | James Cook University |
| 开始日期 | 2017 |
| 英文摘要 | Anthropogenicclimatechangeisalreadyaffectingtheplanet’secosystems,inparticulartheworld’soceans.Here,elevatedtemperatures,oceanacidificationanddeoxygenatedorhypoxicareasaffect,amongstotherfactors,thegrowthandsurvivalofmarineorganisms.Againstthebackdropofclimatechange,marineenvironmentswithstableconditionsandlesspronouncedseasonalvariabilityposeanincreasingchallengeforlocalorganismsastheirphysiologicaltolerancethresholdsareoftenlessvariableoralreadyattheirlimits.Experimentalapproaches,simulatingprojectedenvironmentalscenarios,canhelpshedlightonhowthesemarineorganismsmodifymetabolicprocesses,whicharekeytobiologicalfitness,sotheycancopewithfutureandlikelyevenmoreextremeconditions.However,thereareonlyfewstudiestestingthecoupledeffectsofthethreeaforementionedstressors,especiallywithregardtomarinefishes.Theirpopulationsizesare,nexttofisheries,controlledbytherecruitmentandsurvivaloftheirlarvaewhichpotentiallyincreasesthesignificanceofclimate-changeaffectedenvironmentalfactorsforpopulationdynamics.Hence,theproposedprojectaimsatinvestigatingtheinteractionandeffectsofincreasedtemperature,oceanacidificationandhypoxiaoneco-physiologicalparametersoftheparticularlyvulnerableearlylifestagesofcoralreeffishes.Twosetsofexperimentswillgiveinsightinhowlarvaeofthecinnamonclownfish(Amphiprionmelanopus),akeyspeciesattheGreatBarrierReef(Australia),respondtoprojectedandsimulatedenvironmentalconditions.Forthis,theinteractionbetweenincreasedtemperatures,oceanacidificationandhypoxiawillbeinvestigatedonmetabolicallyrelevanttraits,includingoxygenconsumptionrates,swimmingperformance,growthandcondition,inindividualfish.Then,furthermeasurementsincludingagillstructureandsurfaceanalysis,aswellasaerobicandanaerobicmetabolicenzymeactivitieswillassistincompletingthepictureonhowtheorganismisrespondingatthetissueandcellularlevels.Bothsetsofexperimentsspanthewholelarvaldevelopment–hatchingtopost-metamorphosis–toidentifywindowswherefishmaybemostatriskandsupportaholisticunderstandingofhowearlylifehistoryisaffectedundernear-futureenvironmentalconditions.Thisnovelandcomprehensiveapproachoffersgreatpotentialfortheconservationofmarinefishes’biodiversity.Inaddition,theprojectispromisingforfurtherresearchapproachesusingmodelstotheoreticallyupscalethephysiologicalresultsfromanorganismaltoapopulationlevel.Suchmodelscouldbeappliedtoothersystemsaswell,forexample,commercialspeciesfromtemperatelatitudeswhereeffortsarebeingmadetosupportsustainablefisheries. |
| 学科分类 | 0603 - 生态学;06 - 生物科学 |
| 资助机构 | DE-DFG |
| 项目类型 | Research Fellowships |
| URL | http://gepris.dfg.de/gepris/projekt/393711240?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/69564 |
| 推荐引用方式 GB/T 7714 | Dr. BjörnIlling.Effects of combined climate change stressors on coral reef fish offspring.2017. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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