TRCA Open Data Portal

TRCA's Open Data Site

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Catalogue Entry: HRWP Waterbodies

This data layer is the refined waterbodies for the Humber River Watershed Plan project based on the 2019 image. Last update date: March 2021 This data layer is the refined...
- Feature Layer
- HTML
Catalogue Entry: HRWP Fluvial Sites with Monitoring Results

This data set shows the location of the various fluvial monitoring sites and the associated monitoring data. Individual components of both erosion stability and sensitivity...
- Feature Layer
- HTML
Catalogue Entry: HRWP Average Family Biotic Index (FBI) Ratings for Benthic Invertebrates historical

The Family Biotic Index (FBI) was used to assess the health of the BMI community at RWMP sites in the Humber River in the historical period (1999-2000). The FBI evaluates the...
- Feature Layer
- HTML
Catalogue Entry: HRWP Rapids Clubtail Contributing Habitat

To estimate the area of potentially occupied and potentially contributing habitat of Rapids Clubtail in the Humber River, the definition of regulated habitat was compared to...
- Feature Layer
- HTML
Catalogue Entry: HRWP Rapids Clubtail Occupied Habitat

To estimate the area of potentially occupied and potentially contributing habitat of Rapids Clubtail in the Humber River, the definition of regulated habitat was compared to...
- Feature Layer
- HTML
Catalogue Entry: HRWP Redside Dace Occupied and Contributing Habitat

The regulated meander belt width (as per ESA regulation 832/21) plus 30 m on either side of the stream is considered contributing habitat. Further, potentially contributing...
- Feature Layer
- HTML
Catalogue Entry: HRWP Stormwater Management Pond Density

Density of stormwater management ponds (wet&dry). Density of stormwater management ponds (wet&dry).
Catalogue Entry: HRWP Percent Canopy Cover

Percent of 1x1 metre cells classified as tree within 50x50 grid over Humber River watershed. Created using Raster Calculator with the formula [(“HRW_CC_50x50.tif”/2500)*100] on...
Catalogue Entry: HRWP Ecologically Significant Groundwater Recharge Areas

An Ecologically Significant Groundwater Recharge Area (ESGRA) can be defined as an area of land that is responsible for replenishing groundwater systems that directly support...
- Feature Layer
- HTML
Catalogue Entry: HRWP Flood Vulnerable Areas

Regulatory (Regional storm) floodplain for flood vulnerable areas (clusters) within the Humber River watershed. Regulatory (Regional storm) floodplain for flood vulnerable areas...
- Feature Layer
- HTML
Catalogue Entry: HRWP Integrated Restoration Prioritization (IRP) Scores

TRCA uses a systematic approach to restoration planning that involves prioritizing catchments where the greatest ecological benefit is achievable and then recording site-level...
- Feature Layer
- HTML
Catalogue Entry: HRWP Permanent & Intermittent Streams

Permanent streams and watercourses are classified based on having a continual flow within an average climate year. In contrast, intermittent streams flow during wetter seasons,...
- Feature Layer
- HTML
Catalogue Entry: HRWP TRCA Owned or Managed Actively Monitored Erosion Control Structures

TRCA-owned or managed erosion control structure parts on public and private property with their maintenance priority. TRCA-owned or managed erosion control structure parts on...
- Feature Layer
- HTML
Catalogue Entry: HRWP Fluvial Monitoring Sites

Location of the various fluvial geomorphic monitoring sites to support the detailed fluvial analysis. Location of the various fluvial geomorphic monitoring sites to support the...
- Feature Layer
- HTML
Catalogue Entry: HRWP Fluvial Geomorphic Reaches with Erosion Stability and Sensitivity Ratings

Fluvial Geomorphic reaches for the Humber River Watershed Plan project. This feature class also contains reach based erosion sensitivity and stability ratings based on the...
- Feature Layer
- HTML
Catalogue Entry: HRWP Mean Index of Biotic Integrity (IBI) Health Ratings for Fish Communities current

The Index of Biotic Integrity (IBI) score for each site in each year (current period: 2012-2022) was calculated following a modification of the Steedman (1998) methodology....
- Feature Layer
- HTML
Catalogue Entry: HRWP Percent Impervious Cover Reach Contributing Area

Habitat quality was measured using the percentage of land cover that is classified as impervious, where more impervious cover is associated with lower habitat quality....
- Feature Layer
- HTML
Catalogue Entry: HRWP Percent Impervious Cover 24 catchment

Habitat quality was measured using the percentage of land cover that is classified as impervious, where more impervious cover is associated with lower habitat quality....
- Feature Layer
- HTML
Catalogue Entry: HRWP Regional Connectivity with Top 50% data

This is Regional Connectivity with top 50% data for the Humber River Watershed Plan project (identifies areas identified as important for regional habitat connectivity within...
- Feature Layer
- HTML
Catalogue Entry: HRWP Seepage Areas & Springs

A seepage area and/or spring is considered a location of the emergence of groundwater, generally occurring when the water table is at the surface. Last update date: 2020 A...
- Feature Layer
- HTML

44 catalogues found