Government of Ontario

The Standardized Precipitation Index (SPI) was generated for certain Environment Canada long-term climate stations in Ontario. The SPI quantifies the precipitation deficit and surplus for multiple time scales , including: * one month * three months * six months * nine months * 12 months * 24...

A Fire Disturbance Area represents the mapped exterior perimeter of a forest fire. Mapping is derived from a variety of sources, such as GPS points and digitized paper maps. Prior to 1998, only fires greater than 200 hectares were mapped. Since 1998, fires greater than 40 hectares have been...

An upper-tier municipality is made up of 2 or more lower-tier municipalities. Municipal responsibilities set out under the Municipal Act and other Provincial legislation are split between the upper-tier and lower-tier municipalities. A lower-tier municipality forms part of an upper-tier...

The Ontario Classified Point Cloud (Imagery-Derived) is a classified elevation point cloud based on aerial photography. The point cloud is structured in non-overlapping 1 km by 1 km tiles in a compressed format. The following classification codes are applied to the data: * unclassified * ground *...

The Growth Plan for the Greater Golden Horseshoe, 2006 identifies 25 existing or emerging downtown areas as Urban Growth Centres. The plan establishes policies and minimum density targets to encourage their revitalization as vibrant, transit-oriented communities. The Province determined the...

This dataset shows the boundaries of systems of natural heritage features and areas, lands and waters that support connectivity and have significant ecological value. It includes areas defined in provincial plans such as the: * Greenbelt Plan * Oak Ridges Moraine Conservation Plan * Niagara...

Waterbody types include: * Lake * River * Canal * Reservoir * Kettle lake * Pond * Beaver Pond * Ocean Instructions for downloading this dataset: * select the link below and scroll down the metadata record page until you find Transfer Options in the Distribution Information section, * select the...

Conservation Authority Administrative Areas are lands under the jurisdiction of a Conservation Authority. Instructions for downloading this dataset: * select the link below and scroll down the metadata record page until you find Transfer Options in the Distribution Information section * select...

Watercourses are line features - natural or manmade - that represent the location of flowing surface water. This product requires the use of GIS software. *[GIS]: geographic information system

An abiotic damage event is a non-biological event -- such as wind or an ice storm -- that has damaged areas of forested land. Abiotic damage event information is mainly used to: * generate summary maps for these events at a general or provincial scale * monitor the extent of damage for forest...

This historic dataset delineates valley segments based on a number of different natural features. The data applies to valley segments on the Ontario side of the Great Lakes. ALIS has also been incorporated into the Aquatic Ecosystem Classification: Great Lakes Basin and Wetlands Data Class and...

For mapping purposes. Instructions for downloading this dataset: * select the link below and scroll down the metadata record page until you find Transfer Options in the Distribution Information section, * select the link beside the Data for download label, * you must provide your name,...

Data has been collected primarily using a depth measurement device, such as an echo-sounder, in combination with a GPS for horizontal positioning. Other survey methods, such as bathymetric LiDAR may also have been used. The survey method used in each body of water is shown in the Bathymetry...

Geographic information for Ontario Health (OH) Regions, and Home and Community Care Support Services (HCCSS) boundaries. The HCCSS boundary file is maintained by Statistics Canada. A link is provided to the Statistics Canada website where you can download the HCCSS boundary file in a variety of...

Many geometrical schemes - or map projections - are used to represent the curved surface of the Earth on map sheets. Canada uses the Universal Transverse Mercator (UTM) system. It is called transverse because the strips run north-south rather than east-west along the equator.This data class shows...

Get data on areas where outdoor fires are not permitted. This dataset shows areas where outdoor fires are restricted in accordance with the Forest Fires Prevention Act. There are two reasons why a restricted fire zone is in effect: * outdoor conditions are extremely dry * the number of fires...

The Agricultural Resource Inventory 1983 (ARI 1983) dataset includes agricultural land use and drainage systems information. This dataset evaluates the mix of crops and classifies them into different categories which are valid over a long period of time. Mapping these systems provides an overview...

This index identifies project areas on provincial highways where aerial photography and photogrammetric mapping has been collected.

Shows areas where the health and prevalence of caribou can be linked to the attributes of the land that supports them. Ontario's Woodland Caribou Recovery Strategy (2008) provides advice and recommendations on the approaches needed for the recovery of Woodland Caribou. The strategy recommends the...

The boundaries of the 14 lead agencies that support the Student Nutrition Program. Data contains lead agency names and accompanying shape files that detail their service areas.