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The theme on physicochemical monitoring of rivers and rivers presents data from all the stations of the water quality monitoring networks in rivers in Quebec and the St. Lawrence River sampled between 2000 and 2020. The purpose of networks for monitoring general water quality is to characterize,...

This theme presents the index of water health along the banks of the St. Lawrence River. It makes it possible to determine if the sites present risks to human health and if they are suitable for swimming. These data are the result of an exploratory monitoring program that aims to raise awareness...

This thematic layer represents the characterization of the hardness of surface water in Quebec for the period 2005 to 2019. The hardness is presented according to the medians calculated from the concentrations of calcium and magnesium ions in seven classes. Water hardness influences the toxicity...

This theme presents the trophic status of lakes monitored as part of the Voluntary Lake Monitoring Network (RSVL) between 2004 and 2020. The trophic state is the result of the compilation of data acquired as part of this network. Trophic levels are used to classify lakes according to their degree...

This layer shows the location of the sampled stations classified according to the Eastern Canada Diatom Index (IDEC). It contains data obtained since 1935 that was converted to version 3 of the index (Lavoie et al. 2014). Benthic diatoms are microscopic unicellular algae that line the bottom of...

This theme includes data from all metal monitoring stations in the waters of rivers in Quebec and the St. Lawrence River since 2008. It includes the stations of the “Special Metals” tour, the stations of Réseau-Fleuve and Réseau-Rivières as well as the stations of the “Grand Nord” project.This...

Specific location of airports, heliports, hydroaerodromes and aerodromes in Quebec; geometry, toponymy, code, etc.This third party metadata element was translated using an automated translation tool (Amazon Translate).

This theme, which lists more than 1,300 fishing sites in Quebec and nearly forty fish species, provides information on the consumption of sport fishing fish according to species and their size. The number of meals is determined on a monthly basis by calculating that one meal is equivalent to a...

Linear network representing railways. Geometry, name of the operator, name of the owner, name of the owner, condition of the track, condition of the track, name of the subdivision, etc. Geometry from the federal railway geobase as well as some attributes.This third party metadata element was...

Under the Regulation respecting the mandatory reporting of certain emissions of contaminants into the atmosphere (RDOECA), the Ministry of the Environment and the Fight against Climate Change collects data on air contaminants emitted by Quebec companies in particular. Thus, any person or...