WGDAM

WGDAM

Working Group on Data Poor Diadromous Fish

 

 

WGDAMWGDAMTrueLari Veneranta, Karen WilsonSSGEPDLari.Veneranta@luke.fi, karen.wilson@maine.eduWorking Group on Data Poor Diadromous Fish

The Working Group on Data Poor Diadromous Fish (WGDAM) amongst other things reports on the status of data-poor diadromous species and looks at current trends and information associated with them.

​​​​​​​​​​​​Since 2005, when ICES Diadromous Fish Committee (SGDFS) published its report in on the status and distribution of these poorly understood species, there have been increasing legal drivers to protect and restore diadromous fish for biodiversity reasons. This has further highlighted knowledge gaps in the biology of these species, but has also been restrained by social barriers in explaining the biological function and importance of these species in the wider ecosystem. Meanwhile, pressure from development in freshwater, transitional and marine zones continues to threaten the life cycle of these species.

Some diadromous species such as eel and salmon are relatively well understood, while other species much less so. In addition, new information for many species suggests they have much more complex life histories than previously thought, adding to the need foru further investigation.

WGDAM's objectives are to:

  • Report on the status of data-poor diadromous fish (update from 2005) through exchanging of knowledge with North American investigators
  • Update databases with information on diadromous fish based on most recent investigations
  • Provide an overview of current monitoring for diadromous fish species and recommendations for monitoring in the future
  • Produce a template of threats and effective mitigation measures
  • Assess progress in assessments methods and approaches for diadromous fish other than eel and salmon
  • Make progress in the incorporation of poorly understood diadromous species into the Ecosystem Approach as consistent with ICES strategy

Many of these diadromous species are protected under the Bern Convention, European Habitats Directive, CITES, IUCN and additionally also through national regulations. The group aims to increase information on the current status of data-poor diadromousfish species in the context of international or national classification schemes.

The group is an offshoot of the Working Group on the Science Requirements to Support Conservation, Restoration and Management of Diadromous Species (WGRECORDS).

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WGDAM

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