Silicate and Baltic Sea Ecosystem Response SIBER

Description: Das Projekt "Silicate and Baltic Sea Ecosystem Response SIBER" wird vom Umweltbundesamt gefördert und von Leibniz-Institut für Ostseeforschung durchgeführt. Regulation of rivers and eutrophication in river basins has largely reduced dissolved silicate (DSi) loads to the Baltic Sea, which is partly responsible for decreasing DSi stocks reported. Reductions in DSi stocks can also be influenced by enhanced deposition in Baltic sediments due to marine eutrophicaton. There are indications that the proportion of diatoms has decreased while flagellates have increased in the Baltic. Similar species shift as a consequence of reduced DSi loads due to damming and marine europhication with far reaching effects for coastal ecosystems are reported worldwide. This project aims to quantify the relative importance of reduced loads vs. marine eutrophicaton for decreasing DSi stocks and its possible ecological effects on phytoplankton assemblages. The proposed project is focused on the Baltic Sea, where the DSi problem is easier to discern, but the results have general relevance. SIBER integrates basic phytoplankton ecology (e.g. competition experiments, nutrient uptake kinetics) and environmental changes through land use (e.g. damming, eutrophication) into one coherent project. SIBER integrates DSi into a holistic approach to eutrophication, from where it has, unjustly, been left out for a long time.

Types:

SupportProgram

Origin: /Bund/UBA/UFORDAT

Tags: Eutrophierung ? Silikat ? Fluss ? Diatomeen ? Flusssediment ? Geißeltierchen ? Meeressediment ? Meerwasser ? Nährstoff ? Ökologie ? Phytoplankton ? Flussbegradigung ? Landnutzungsänderung ? Gewässerausbau ? Küstengewässer ? Marines Ökosystem ? Gelöste Stoffe ? Flächennutzung ? Nährstoffaufnahme ? Nährstoffeintrag ? Wasserinhaltsstoff ? Wirkungsanalyse ? Deposition ? Sediment ? Flussgebiet ? Küstenökosystem ? Küste ? Ökosystem ? Umweltveränderung ? Ostsee ?

Region: Mecklenburg-Western Pomerania

Bounding box: 12.5° .. 12.5° x 53.83333° .. 53.83333°

License: cc-by-nc-nd/4.0

Language: Deutsch

Organisations

• Finnish Environment Institute FEI (Mitwirkende)
• Kommission der Europäischen Gemeinschaften Brüssel (Bereitsteller*in)
• Leibniz-Institut für Ostseeforschung Warnemünde (Betreiber*in)
• National Environmental Research Institute Roskilde , Miljöstyrelsen, Miljoeundersoegelser (Mitwirkende)
• Sea Fisheries Institute (Mitwirkende)
• Umweltbundesamt (Bereitsteller*in)
• University Linköping (Mitwirkende)
• University Stockholm (Mitwirkende)
• University of Helsinki (Mitwirkende)
• University of Latvia Riga (Mitwirkende)
• Universität Tartu (Mitwirkende)

Time ranges: 2002-11-01 - 2005-10-31

Alternatives

• Language: Englisch/English https://ufordat.uba.de/

Status

Aktiv

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