Table 2 List of specialist organizations and their web addresses which will be searched for relevant literature

Centre for Ecology and Hydrology

https://www.ceh.ac.uk/

Centre for the Environment, Fisheries and Aquaculture Science

https://www.cefas.co.uk

Commonwealth Scientific and Industrial Research Organization

https://www.csiro.au/

Department of the Environment, Food and Rural Affairs

https://www.gov.uk/government/organisations/department-for-environment-food-rural-affairs

Fisheries and Oceans Canada

http://www.dfo-mpo.gc.ca/index-eng.htm

Fisheries Research Service

http://www.gov.scot/Topics/marine/Publications/FRS-Reports

Food and Agriculture Organization of the United Nations

http://www.fao.org/home/en/

Natural Resources Canada

https://www.nrcan.gc.ca/home

National Institute of Water and Atmospheric Research

https://www.niwa.co.nz/

Ontario Ministry of Natural Resources and Forests

https://www.ontario.ca/page/ministry-natural-resources-and-forestry

Parks Canada

www.pc.gc.ca/eng/index.aspx

The Nature Conservancy

https://www.nature.org/

United Nations Environment Programme

www.unep.org/

US Fish and Wildlife Service

https://www.fws.gov/