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AQUASERV: Effects of flood intensity on freshwater ecosystem - PowerPoint PPT Presentation

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Metaprogramme EcoServ AQUASERV: Effects of flood intensity on freshwater ecosystem services Lorea Flores ECOBIOP, INRA, St Pe Sur Nivelle, Aquitaine Agreenskills Post doctoral project CLIMATIC CHANGE alteration of precipitation patterns

  1. Metaprogramme EcoServ AQUASERV: Effects of flood intensity on freshwater ecosystem services Lorea Flores ECOBIOP, INRA, St Pée Sur Nivelle, Aquitaine

  2. Agreenskills Post doctoral project CLIMATIC CHANGE alteration of precipitation patterns Hydrologic regimen Fish Q (l/s) Q1: Effects on biota and Biota functioning Invertebrates Microorganisms Time Q2: Role of fish as key Ecosystem functions species Nutrient retention OM degradation Biological indicator Ecosystem service Q3 Q2 Nutrient retention rates Water purification Q1 OM breakdown Q3: Ecosystem Services Ecosystem services Fish production Food provisioning Provisioning (Food) Fish biomass Regulating (water purification) Fish production Recreational activities Relativized indicators Cultural (leisure angling) Nutrient retention FB -1 Water purification OM breakdown FB -1

  3. Work in progress Preliminary data indicates : Impacts of flood regulation on biota and • ecosystem functions Significant effect of floods and fish presence • in ecosystem functions Work to be done: Estimation of the effects of floods on • ecosystem services Scientific interests Biodiversity Functioning of freshwater ecosystems Global change Ecosystem processes

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