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  • This thematic layer presents the location of pesticide stations in surface waters monitored in various studies. The data come from an extract from the BQMA and, when a report is available on the Department's Internet site, the reader can access it from a link in the information window. The surface water pesticide monitoring dataset also includes a layer of sampling stations, a layer of polygons showing the drainage areas of some of the stations, and a data table containing the compilation of land use per year for each of these drainage areas. The drainage areas and the land use table are linked to the sampling stations from the BQMA station number. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • This theme includes drainage areas upstream of the outflow of some lakes in Quebec, the majority of which are part of the Voluntary Lakes Monitoring Network (VLN). The dataset also includes the lake outflow layer and a yearly land-use compilation table for each drainage area. The lake outflow and drainage areas layers and the land use table are linked to each other from the lake number from the Lakes and Streams database (LCE). **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • This theme presents the index of water safety along the shores of the St. Lawrence River. It is used to determine if sites pose risks to human health and are suitable for swimming. These data come from an exploratory monitoring programme which aims to raise awareness among the population and local actors about the possible reopening of bathing sites with good potential. This programme also highlights any improvement in bacteriological quality resulting from the reduction of wastewater overflows in rainy weather or from the installation of disinfection equipment. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • This thematic layer represents the characterization of the hardness of Quebec's surface waters for the period 2005 to 2019. Hardness is presented according to medians calculated from calcium and magnesium ion concentrations in seven classes. Water hardness influences the toxicity of certain metals, including barium, beryllium, cadmium, chromium, copper, manganese, nickel, lead and zinc. Surface water quality criteria are determined based on the hardness of the receiving stream. These criteria are used to assess the quality of surface water and form the basis for groundwater criteria used to assess the quality of groundwater returning to surface water. Finally, they are the key element in the calculation of Environmental Release Objectives (EOs) used to assess the quality of wastewater discharges to the aquatic environment. For an annual discharge, the median hardness of the receiving water body is generally used for the calculation of water quality criteria for aquatic life. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • Produced as part of the St. Lawrence Action Plan, the Atlas of Areas of Conservation Interest in the St. Lawrence Lowlands presents the sites where conservation needs are most acute. Conservation targets (coarse filter) are forest, wetlands, open habitats (wildlands, perennial crops) and aquatic environments, with fine-filter elements such as exceptional aquatic environments associated with the St. Lawrence Corridor (e.g. spawning grounds), alvar, bird colonies, wildlife features (e.g., nesting sites of Shore Swallow and Chimney Swift, etc.) and significant floristic occurrences. Our goal is to identify sites of interest until a 20% representativeness threshold is reached. Geospatial data associated with conservation sites of interest, user guide, methodological report, metadata, and detailed land-use mapping of the St. Lawrence Lowlands, which was an essential baseline for producing this atlas, are available for download. Users can therefore more accurately view the spatial distribution of sites of interest and the conservation value associated with each habitat parcel of conservation targets (forest, wetland, wildland, perennial crops, aquatic environments) through geographic information systems (e.g., ArcGIS). Users can also adapt the analysis of these data to their territorial reality and to specific objectives specific to their interests. The conservation of natural environments and species in precarious situations is a shared responsibility, and this Atlas will help meet the priorities of the many organizations involved in the conservation of natural environments in the St. Lawrence Lowlands. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • Delimitation of the territories for which a ministerial order has been published in the Gazette officielle du Québec in order to exempt them from the application of the regulations provided for in the territory of the SIZ. Territories other than those posted could be removed later. For more information on the mapping of flood prone areas in Quebec, consult the information available on the Department's website using the following link: http://www.cehq.gouv.qc.ca/zones-inond/zone-intervention-speciale.htm **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • This theme brings together data from all metal monitoring stations in the waters of the Quebec and St. Lawrence rivers since 2008. It includes the stations of the “Special Metal” tour, the stations of the Réseau Rivière and Réseau Rivières and the stations of the “Far Nord” project. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • Location and identification of the 40 integrated water management zones per watershed in southern Quebec. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • The Aquatic Uses Database (URMA) is a database of information on water-related activities collected by representatives of the State of the Environment Monitoring Directorate (DSEE) of the Ministry of Environment and Climate Change (MELCC) and watershed organizations responsible for the implementation of integrated water management at the watershed level. Uses related to the aquatic environment can be classified into four broad categories: uses in riparian recreational areas, uses involving indirect contact with water, uses involving direct contact with water, and uses of water withdrawal. Please refer to the Glossary of Aquatic Uses for a description of each of the uses listed in the URMA Bank. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

  • This thematic layer presents the location of wells sampled for pesticides in various studies conducted near selected crop media targeted between 1999 and 2019. The data comes from an extract from the BQMA and, when a report is available on the Department's Internet site, it can be accessed by the reader from a link in the information window. Private well sampling stations are grouped by watershed to comply with sections 53 and 54 of the Act respecting access to documents held by public bodies and the protection of personal information. **This third party metadata element was translated using an automated translation tool (Amazon Translate).**