Sensitive Ecosystem Inventory Mapping App

This map displays ecologically significant and relatively unmodified sensitive ecosystems including wetlands, older forests, and woodlands. It also includes human modified ecosystems that retain ecological value such as seasonally flooded agriculture fields or young forests.

The sensitive ecosystem inventory was conducted from January 2010 to May 2012 across a 367,000-hectare study area covering Metro Vancouver and Abbotsford.

Sensitive Ecosystem Inventory Mapping Tool


This GIS map is currently available for desktops and tablets. This application works best on the latest versions of: Firefox, Google Chrome, Opera, and Safari. Earlier versions of these browsers may experience reduced functionality. Once you open the map, select “SEI Subregions” and explore ecosystems by class and subclass.

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The sensitive ecosystem inventory (SEI) GIS data is available for download from Metro Vancouver’s Open Data Catalogue.

When to Use the Sensitive Ecosystem Inventory Map

If you’re involved in planning, conservation, restoration programs, environmental site assessment (ESA), corridor mapping, landscaping, development, fishing, or forestry, use the sensitive ecosystem inventory map to find information about your area of interest. This inventory may help to inform municipal environmental planning initiatives, such as:

This inventory may help to inform municipal environmental planning initiatives, such as:

  • Tree planting and cutting
  • Development plans and permits
  • Stream set-backs
  • Invasive species bylaws
  • Protected area acquisition and management
  • Sediment control
  • Urban forestry

​Disclaimer

Metro Vancouver disclaims any warranties, representations, indemnities, or guarantees with respect to Sensitive Ecosystem Inventory information, whether express or implied, statutory or otherwise (including any warranty of quality, fitness for particular purpose, title, uninterrupted use, and non-infringement), all of which are disclaimed by Metro Vancouver to the fullest extent permitted by law.

Note: A preliminary regional protected areas layer can be displayed within the SEI Mapping Tool. This layer shows all of the areas in Metro Vancouver that are under some form of protection. It was compiled by Metro Vancouver staff and consists of Metro Vancouver data, data provided by member municipalities, and Provincial data available on GeoBC.