Onderzoeksrapporten - Zoekresultaten

This pilot project, commissioned by Rijkswaterstaat/ Ministry of Infrastructure and Water management and conducted on Saba, aimed to evaluate the feasibility of implementing a long-term beach litter monitoring program based on the Modified OSPAR methodology.

This pilot project, commissioned by Rijkswaterstaat/ Ministry of Infrastructure and Water management and conducted on Sint Eustatius, aimed to evaluate the feasibility of implementing a long-term beach litter monitoring program based on the Modified OSPAR methodology.

From 2023 onwards, RWS's information needs and the beach litter monitoring results, for easy reading by a broader public, are described in the annual report part l: Status and Trends (Maas & Hougee, 2024). This report, the separate methods report, is designed for the specialistic reader and provides an overview of all deviations and changes that have occurred in the applied methods (such as the software, survey sites) from the start of the beach litter monitoring programme to the last monitoring year.

This report provides an annual update of Dutch beach litter monitoring data and analysis results for the periods 2021-2023 (status analysis) and 2018-2023 (trend analysis), respectively.

This report adds new data for year 2023 to the previous report (Kühn et al. 2023)

This study aimed to assess the sources of meso- and macroplastic litter in the river Meuse and to assess the effect of the recently implemented plastic regulations on plastic in the Meuse

To get a first insight in amounts and trends of macro-litter on Bonaire, the Dutch Ministry of Infrastructure and Watermanagement contracted H2Oosterbaan in close collaboration with Clean Coast Bonaire to assist to carry out a (trend) analysis of the macro-litter data on three beaches of Bonaire and to include a preliminary source identification.

Marine litter causing substantial socio-economic and ecological harm, has been identified as a major global environmental problem

Four Dutch beaches were chosen to apply the monitoring method. The OSPAR beach selection criteria were used (2022). In addition, the proximity to sources (harbour or estuary outlet) was used as an additional beach selection criterion (Galgani et al., 2023). This led to the selection of the locations Neeltje Jans (close to the outlet of the Westerschelde estuary and indicated as pellet hotspot) and
Monster (close to the outlet of the Nieuwe Waterweg and to the port of Rotterdam). Terschelling and Bergen, both national monitoring locations for beach litter, were also selected. These two beaches are standard monitoring locations for beach macro litter.

There has emerged a need in the past years for the monitoring of pellets on beaches. The Netherlands has cooperated in the development of an EU monitoring method for pellets and mesoplastic fragments on beaches and started Dutch monitoring in 2021.