Wageningen Institute for Marine Resources and Ecosystem Studies (IMARES) Netherlands

IMARES (Institute for Marine Resources and Ecosystem Studies) is the Netherlands research institute established to provide the scientific support that is essential for developing policies and innovation in respect of the marine environment, fishery activities, aquaculture and the maritime sector. Key focal research areas cover ecology, environmental conservation and protection, fisheries, aquaculture, ecosystem based economy, coastal zone management and marine governance. IMARES primarily focuses on the North Sea, the Wadden Sea and the Dutch Delta region. 

GerJan Piet has been working for more than 15 years on the ecosystem effects of fishing, and the planning of monitoring programs and analysis of datasets from these programs, including use of indicators and calculation of reference levels. He is a member of several ICES working groups, including the Working Group on the Ecosystem Effects of Fishing and has chaired the ICES working groups on beam trawl surveys. He is currently chairing the task group on the MSFD Descriptor 3: Commercial Fish and Shellfish. He leads WP4 of ODEMM.