__The link: *Access the data directory* is available in the section*Dataset Descriptive Sheets; Additional Information*__. Formerly, forest maps were produced by the Surveying Service of the Ministry of Lands and Forests. Some of these maps dating from 1924 to 1946 still exist and are carefully preserved in the National Archives of Quebec. The information they contain makes it possible to locate and characterize forest areas in certain regions of Quebec. Color codes were then assigned for each of the following classes: young forests, old forests, burned, logged, rocky, savannah, and colonization. These historic forest maps are available in two digital formats (PDF and TIFF).**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: * Access the data repository* is available in the*Dataset Details; Additional Information*__ section. Ecoforest maps in PDF format are available at a scale of 1:20,000 and cover Quebec territory approximately up to the 52nd parallel. Each map covers an average area of about 250 km2 and presents forest information for the territory concerned. Its accuracy is approximately 10 meters. These maps are an image of the current ecoforest map for the corresponding year. __2021, 2022 and 2023 maps__ The 2021, 2022, and 2023 maps are produced from the updated ecoforest map of the corresponding year. It represents the result of the photo-interpretation of aerial photographs taken during the 4th and 5th ecoforestry inventories of southern Quebec to which were added natural disturbances (fires, epidemics, windfalls, etc.) and forest interventions (harvesting and reforestation) carried out in public forests following the year in which the picture was taken. According to the maps, data following the forest population inventory approach (AIPF) are included when available for a complete sheet. Main components: vegetation type (forest species group, density class, height class, age class, etc.) or AIPF vegetation type (detailed forest species, density (%), height (m), age class, etc.); slope class; nature of the terrain (peatlands, gravel, etc.); hydrography (lakes, rivers, streams, swamps, etc.); transport network and bridges; topography (level curves); fragmentation. __2019 and 2020 maps__ The 2019 maps, as well as those of 2020, are produced from up-to-date ecoforest maps of the corresponding year. They represent the result of the photo-interpretation of aerial photographs taken during the 4th and 5th ecoforestry inventories of southern Quebec to which were added natural disturbances (fires, epidemics, windfalls, etc.) and forest interventions (harvesting and reforestation) carried out in the public forest following the year in which the photo-interpretation of the aerial photographs of the 4th and 5th southern Quebec ecoforestry inventories were taken. An update is then carried out taking into account natural disturbances (fires, epidemics, windfalls, etc.) and forest interventions (harvesting and reforestation) carried out in public forests. The information presented corresponds to the updated ecoforest map of 2019 or 2020, as appropriate. On each map, the names of the stands are expressed by the group of species. Main components: type of vegetation (forest species, density, height, age class, etc.); slope class; nature of the terrain (peatlands, gravel, etc.); hydrography (lakes, rivers, streams, swamps, etc.); transport network and bridges; topography (level curves); fragmentation. __2015 maps__ The 2015 maps are produced from the photo-interpretation of aerial photographs from the 3rd and 4th ecoforest inventory of southern Quebec. An update is then carried out taking into account natural disturbances (fires, epidemics, windfalls, etc.) and forest interventions (cutting and planting) carried out in public forests. The information presented corresponds to the updated 2015 ecoforest map. MAP FOR PRINTING (GEOREFERENCED)**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: *Access the data repository* is available in the*Dataset Details; Additional Information*__ section. Slope classes express the slope of the terrain where most of the forest population is located. The slope classes are generated from a numerical model grouping terrain slopes into six classes: + None of 0-3% + Low of 4-8% + Mild of 9-15% + Moderate of 16-30% + Strong of 31-40% + Abrupt of 41% or more This cartography covers almost the entire territory of Quebec south of the 52nd parallel. It is distributed by map sheets at a scale of 1:250,000. Slope classes have a minimum area of 0.5 ha. __Note:__ The digital terrain model is prepared from level and elevation point curves that come from the 1:20,000 and 1:50,000 scale topographic map of the Quebec Topographic Database (BDTQ). __Old name:__ Numerical slope classes**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: *Access the data repository* is available in the*Dataset Details; Additional Information*__ section. Surface deposition is the layer of loose material that covers rock. The deposit may have been established during the retreat of the glacier at the end of the last glaciation or by other processes associated with erosion and sedimentation. The nature of the soft deposit is evaluated on the basis of the shape of the ground, its position on the slope, the texture of the ground, or other indicators. Surface deposit maps make it possible to distinguish the main categories of surface deposits and to know their nature, their thickness and their distribution on Quebec territory. Resulting from the interpretation of aerial photographs at a scale of 1:40,000 and field control points as part of the ecoforest inventory of southern Quebec, this mapping contributes in particular to the development of ecological forest products. This map covers almost the entire territory of Quebec south of the 52nd parallel. It is distributed by map sheets at a scale of 1:50,000. Surface deposits have a minimum area of 4 ha.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: * Access the data repository* is available in the*Dataset Details; Additional Information*__ section. Harvest and other silvicultural interventions are mapped out as part of the ecoforest inventory of southern Quebec in order to maintain an up-to-date portrait of the forest. Several stakeholders related to forest operations participate in maintaining this forest portrait, including the Regional Operations Sector of the Ministry of Natural Resources and Forests (MNRF), private forest development agencies, and major owners. This map contains information on the forest interventions carried out on the territory (e.g. harvesting, thinning, reforestation) as well as the year of the work. The period of work begins at the beginning of the 20th century (when information is available) until today. The associated information is presented as a series of overlays of interventions. This map covers the commercial territory of Quebec's public forest and private forest. The minimum mapping area is 0.1 ha. Note: When there is more than one intervention on the same territory in the same year, priority is given to the intervention that modifies forest cover in a sustainable way (e.g. planting). To have access to all the interventions for the same year (in public forests only), please consult the technical and financial activity reports (RATF) published by the Ministry's Regional Operations Sector on the Government website of DQuébec.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

The ecological planning units (UPE) layer constitutes the territorial base at the base of the ecoforest inventory process in southern Quebec (IEQM). It was created and then integrated into the framework of the current inventory (fifth IEQM). It integrates concepts that are both administrative (forest region) and ecological (ecological region). More precisely, the division is done on an ecological basis within each of the forest regions. It is on this basis that IEQM activities are planned. Each of the layers included in the IEQM monitoring datasets reports what has been achieved as part of the current inventory. We are talking here about aerial photography, mapping, terrestrial sampling of temporary sample plots, and compilation activities. Each year, new territories are added to each of the layers to reflect the progress of the work.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: *Access the data store* is available in the*Dataset description sheets; Additional Information*__ section. In 2020, the Department of Forest Inventories of the Ministry of Natural Resources and Forests (MRNF) began producing data that indicate the strength of forest vegetation. This data is produced from satellite images. The layer produced from this data is intended to present a regional portrait, at a given date, of the vigor of forest vegetation, at the pixel level. Before using these data, it is therefore recommended to plan validation work by photo-interpretation or by means of field visits. It should also be noted that these data are complementary to existing data (ecoforest map, fires, harvesting and reforestation, defoliations resulting from aerial overflights, etc.).**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: * Access the data repository* is available in the*Dataset Details; Additional Information*__ section. The forest maps in the first inventory are available at a scale of 1:20,000. They cover almost all of the territory south of the 52nd parallel. Each file covers an area of approximately 250 km2. These digital maps correspond to 125 cm X 75 cm black and white paper maps that have been digitized and georeferenced. They illustrate forest stands. They were prepared from the photo-interpretation of aerial photos at a scale of 1:15,000. Main components: •outline of forest stands; • type of vegetation (forest species, density, height and stage of development, origin); • disturbances; • nature of the terrain (peatlands, gravel, etc.); • territorial subdivisions; • hydrography (lakes, rivers, streams, swamps, etc.); • transport network and bridges; • topography (level curves). The units of measurement shown on the maps in the first inventory are those of the English imperial system of measurement.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

__The link: *Access the data repository* is available in the*Dataset Details; Additional Information*__ section. The ecoforest maps in the third inventory cover almost all of the territory south of the 52nd parallel. Each file covers an area of approximately 250 km2. These digital maps illustrate forest stands. They were prepared from the photo-interpretation of aerial photos at a scale of 1:15,000. Main components: * outline of forest stands; * species subgroups in all stands; * type of vegetation (forest species, density, height and stage of development, origin); * age class. * disturbances; * nature of the terrain (peatlands, gravel, etc.); * hydrography; * transport network and bridges; * slope classes; * defoliation class; * deposit surfaces; * drainage class; * ecological type.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

The cubage rate is presented in the form of a table. Essentially, it gives the gross market volume of a rod as a function of its diameter at breast height (DHP) and its height. These are local rates, that is, the height used in the general tariff equation is predicted by height-DHP relationships developed per survey unit. The cubing rate is produced for the main forest species in southern Quebec and covers almost all of the territory south of the 52nd parallel.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**