ITS2.7/HS12.2

Plastic pollution in freshwater systems is a widely recognized global problem with severe environmental risks. Besides the direct negative effects on freshwater ecosystems, freshwater plastic pollution is also considered the dominant source of plastic input into the oceans. However, research on plastic pollution has only recently expanded from the marine environment to freshwater systems, and therefore data and knowledge from field studies are still limited in regard to freshwater. This knowledge gap must be addressed to understand the dispersal and distribution of plastics and their fate in the oceans, as well as forming effective mitigation measures.

In this session, we explore the current state of knowledge and activities on (macro to micro) plastic in freshwater systems, including aspects such as:

• Plastic monitoring techniques;
• Case studies;
• Source to sink investigations;
• Transport processes of plastics in watersheds;
• Novel measurement approaches, such as citizen science or remote sensing;
• Modelling approaches for local and/or global river output estimations;
• Legislative/regulatory efforts, such as monitoring programs and measures against plastic pollution in freshwater systems.

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Co-organized by BG4/GI6/NH8
Convener: Tim van EmmerikECSECS | Co-conveners: Daniel González-Fernández, Merel KooiECSECS, Freija MendrikECSECS, Alice HortonECSECS, Simon Dixon, Imogen Napper, Manousos Valyrakis
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| Tue, 05 May, 14:00–18:00 (CEST)

Plastic pollution in freshwater systems is a widely recognized global problem with severe environmental risks. Besides the direct negative effects on freshwater ecosystems, freshwater plastic pollution is also considered the dominant source of plastic input into the oceans. However, research on plastic pollution has only recently expanded from the marine environment to freshwater systems, and therefore data and knowledge from field studies are still limited in regard to freshwater. This knowledge gap must be addressed to understand the dispersal and distribution of plastics and their fate in the oceans, as well as forming effective mitigation measures.

In this session, we explore the current state of knowledge and activities on (macro to micro) plastic in freshwater systems, including aspects such as:

• Plastic monitoring techniques;
• Case studies;
• Source to sink investigations;
• Transport processes of plastics in watersheds;
• Novel measurement approaches, such as citizen science or remote sensing;
• Modelling approaches for local and/or global river output estimations;
• Legislative/regulatory efforts, such as monitoring programs and measures against plastic pollution in freshwater systems.

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