Northwestern Ontario Lake Size Series (NOLSS) lakes- water chemistry data.

This dataset includes water chemistry data collected from five of the six lakes as part of the Northwestern Ontario Size Series project in 1987 and 1990 including species of nitrogen and phosphorus, carbon, chlorophyll a, conductivity, soluble reactive silica, chloride, sulphate, conductivity, sodium, potassium, magnesium, calcium, pH, alkalinity and organic acids

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 17:31 (UTC)
Created April 17, 2026, 17:31 (UTC)
contact_email dfo.opaarddata-donneesdeladraaop.mpo@dfo-mpo.gc.ca
contact_person {"en": "Government of Canada; Fisheries and Oceans Canada", "fr": "Gouvernement du Canada; Pêches et Océans Canada"}
criticality_level []
data_dictionary EPSG:4326,http://www.epsg-registry.org,
geographic_scope []
open_canada_collection fgp
open_canada_date_published 2023-09-05 00:00:00
open_canada_keywords {"en": ["Freshwaters", "LAKE/POND", "Water Quality/Water Chemistry", "Habitats", "Water quality", "Fresh water", "Chemistry", "Ontario (ON)", "Freshwaters"], "fr": ["eau fraiche", "lac/mare", "qualité de l''eau/chimie de l''eau", "Habitat", "Qualité de l'eau", "Eau douce", "Chimie", "Ontario (ON)", "Eaux douces"]}
open_canada_subject ["nature_and_environment"]
sensitivity_level unrestricted
title_fr Données sur la composition chimique de l’eau de lacs de tailles différentes du Nord-Ouest de l’Ontario (Northwestern Ontario Lake Size Series [NOLSS]).
update_frequency not_planned