Coll, Marta

Horn, Sabine

English

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Determination of ecological effects of restoration using dynamic food web modellingSabine Horn & Marta Coll3rd MERCES annual meeting 201921st - 24th May, Parishttp://agricultura.gencat.catPhoto: Tobias Dolch https://www.kelpex.orgFood web modelling Quantitative ecological modelling Holistic approach  Tracks path of energy through the food web components Different applications → Ecopath with Ecosim EwE requires relatively few input data Dynamic model Includes environment and human activitiesModel of entire Mediterranean basin, Piroddi  et al. 2015, Piroddi et al. 2017Ecopath with EcosimThree major componentsEcopath: static mass-balanced modelEcosim: temporal dynamicsEcospace: spatial-temporal dynamicsAdditional modulesEcotracer contaminant tracing‘Searches’ Fishing Policy, MPA, Monte Carlo, MSE, …Plug-ins Indicators, Uncertainlty, …Seagrass meadows in the Wadden SeaPhoto: Patrick PolteThe Wadden Sea Largest connected intertidal wetland of the world World Heritage Site Two species of seagrass: Zostera noltei and Zostera marina In northern part of the Wadden Sea steady increase of seagrass meadows since 90sHow does increase of seagrass meadows influence ecosystem?Photo: Tobias Dolchhttps://multimar-wattforum.de/nationalpark-zentrum/nationalpark-wattenmeer.htmlWadden Sea Quality Status report, Dolch et al. (2018)Wadden Sea food web modelsSylt-Rømø Bight: 1990, 2007, 2010Norderaue tidal basin: 2015(reference site)Time series seagrass herbivorous birds fish species phytoplankton nutrients temperatureMediation functionAims of approach  How does ecosystem change over time with an increase in seagrass meadows? Effects of seagrass meadows on species hiding in the seagrass meadow species predating on inhabitants of seagrass meadow consumers of seagrasshttps://www.kelpex.orgKelp belts in Arctic Norwayxxhttp://agricultura.gencat.catCoastal areas of the Mediterranean SeaxxForecast Dynamic food web models showing influence of restoration efforts Assessment of restoration efficiency Influence of restoration on elected ecosystem servicesThank you!3rd MERCES annual meeting 201921st - 24th May, Paris

Determination of ecological effects of restoration using dynamic food web modelling

https://epic.awi.de/id/eprint/50065/1/presentation_CollHorn_15min.pdf

Determination of ecological effects of restoration using dynamic food web modelling

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