RESPONSE - Toward a risk-based assessment of microplastic pollution in marine ecosystems (DTA.AD003.675)

Area tematica

Scienze del sistema Terra e tecnologie per l'ambiente

Area progettuale

Struttura responsabile del progetto di ricerca

Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino (IAS)

Responsabile di progetto

FRANCESCA GARAVENTA
E-mail: francesca.garaventa@ias.cnr.it

Abstract

RESPONSE integrates expertise on oceanography, environmental chemistry, ecotoxicology, experimental ecology and modelling to answer key research questions on fate and biological effects of microplastics (MPs) and nanoplastics (NPs) in marine ecosystems. Hydrological transport dynamics will identify possible accumulation zones in European coastal ecosystems, while characterization of vertical distribution of MPs and NPs in the water column and sediments will optimise practical monitoring and sampling efforts. Links between oceanographic conditions, environmental distribution of MPs and NPs, trophic transfer and impact to pelagic food webs and benthic communities will be addressed by analysing their abundance and typologies in representative marine species, as well as relevant ecosystem functions and services. Innovative mesocosm and laboratory studies will validate weighting factors and toxicological thresholds for MPs and NPs. The
approach will assess the role of size, shape and other polymer characteristics in modulating biological effects of particles, both alone and in combination with other environmental stressors.

Obiettivi

The overall aim of RESPONSE is to develop a quantitative Weight Of Evidence (WOE) model for MPs and NPs in the marine environment. The model will be designed to integrate and differentially weight data from a suite of lines of evidence, including (1) the presence of MPs and NPs in water column and sediments, (2) their bioavailability and bioaccumulation in key indicator species from benthic and planktonic communities (3) sublethal effects measured via biomarkers, (3) the onset of chronic adverse effects at the organism level, and (4) ecological functioning. The results will provide support for development of MSFD monitoring strategies.

Data inizio attività

01/09/2020

Parole chiave

microplastics, nanoplastics, risk assessment

Ultimo aggiornamento: 19/04/2024