SUB-PROJECT 1

Main Objectives of Sub-Project 1 are:

The first objective is to characterize the surface properties, size and shape of MPLs (initially 5 mm) of 3 types of plastic materials among the most used - polyethene (PE), polystyrene (PS) and polyethene terephthalate Ethylene (PET) - under controlled conditions emulating a real exposure scenario. Given that 80% of marine pollution comes from land-based sources, 2 scenarios will be considered, the lower course of a Mediterranean river (in collaboration with Subproject 2) and the coast.

The second objective is to study in marine mesocosms the capacity of adsorption, transference and effects in the organisms aged MPLs (previously characterized). As a study model, dioxins, furans and dioxin-like PCBs have been selected among the priority POPs for their high toxicity, among the emerging perfluoroalkyl substances (PFASs) and the biotoxins domoic and okadaic acids, due to their toxicity and impact in fisheries and aquaculture. Studies of sub-acute effects in organisms will be based on metabolomics studies in which the subacute response of the Mediterranean mussel (Mytilus galloprovincialis) will be evaluated. This organism has been selected as a filtering organism, widely spread on the Mediterranean coast, an excellent biomarker, and also for its interest as a product of human consumption. 

The last objective of Sub-project 1 is the study of the presence of microplastics and their load on persistent contaminants in water, sediments and biota in the Ebro Delta area. This is an area sensitive to pollution and aquaculture production. This type of information is necessary to establish the risk associated with MPLs and to develop recommendations and countermeasures to alleviate and reduce their impact.

Sub-Project 1 will be carried out by 

IDAEA-CSIC

This Sub-project is devoted to the study the effects of microplastics in marine organisms and their influence on the transfer to the biota of other persistent pollutants. As well as it will characterize and monitor microplastics from the fluvial to the marine environments.


Expected Impacts

Título

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