Cumulative impacts from anthropogenic activities and stressors on marine ecosystems in Pacific Canada

Fisheries and Oceans Canada has conducted a cumulative human impact mapping analysis for Pacific Canada to support ongoing Marine Spatial Planning. Cumulative impact mapping (CIM) combines spatial information on human activities, habitats, and a matrix of vulnerability weights into an intuitive relative ‘cumulative impact score’ that shows where cumulative human impacts are greatest and least. To map cumulative impacts, a recently developed ecosystem vulnerability assessment for Pacific Canadian waters (Murray et al. 2022) was combined with spatial information on thirty-eight (38) different habitat types and forty-five (45) human activities following the methodology from Halpern et al.(2008) and Murray et al. (2015). The cumulative impact map is provided in a 1x1 km grid used for oceans management by Fisheries and Oceans Canada. For further information, please contact the data provider.

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 19:51 (UTC)
Created April 17, 2026, 19:51 (UTC)
contact_email Selina.Agbayani@dfo-mpo.gc.ca
contact_person {"en": "Government of Canada; Fisheries and Oceans Canada; Ecosystems and Ocean Science/Pacific Science/Ocean Science Division", "fr": "Gouvernement du Canada; Pêches et Océans Canada; Sciences des écosystèmes et des océans/Science Pacifique/Division des sciences océaniques"}
criticality_level []
data_dictionary EPSG:4326,https://epsg.io,
geographic_scope []
open_canada_collection fgp
open_canada_date_modified 2024-04-24 00:00:00
open_canada_date_published 2024-03-20 00:00:00
open_canada_keywords {"en": ["cumulative impacts", "cumulative Effects", "Mutiple stressors", "marine", "Pacific", "British Columbia", "Oceans"], "fr": ["impacts cumulés", "Effets cumulatifs", "facteurs de stress multiples", "marin", "Pacifique", "Colombie-Britannique", "Océan"]}
open_canada_subject ["nature_and_environment"]
sensitivity_level unrestricted
title_fr Impacts cumulés des activités anthropiques et des facteurs de stress sur les écosystèmes marins du Pacifique canadien
update_frequency as_needed