National Database and Mapping Project - Outputs

East Midlands alert mapEast Midlands alert map

Guide to the Use of Project Outputs to End of 2012

The latest Project report was published in 2014 and is available to download at the bottom of this page.

 

  The 2012 database at a glance...
 

  Total no. records: 92,604

  Water vole presence: 62,080
  Water vole absence: 12,512

  American mink presence: 12,730
  American mink absence: 5,282 

 Project maps

The latest Project maps are based on data from 2008 – 2012. They identify the areas known to support water vole populations and suggest where some of the more robust populations are located.

Three tiers of mapping have been produced:
 

1. Distribution maps

These provide an overview of water vole (and American mink) distribution across the UK for the last five years.


 

 

 

 

 

 

 

 

 

 

 

 

 

Water vole presence (2008 – 2012) records (L) and occupied 10km grid squares (R)
 
 

2. Alert maps

These identify potentially suitable habitat within water vole dispersal distance (2 km) of populations recorded on the Distribution Maps. The aim is to alert users to the potential presence of water voles, for example when undertaking regular maintenance tasks or planning future water vole survey and monitoring activity.


 

 

 

 

 

 

 

 

 

 

 

 

 


Water vole alert map for the East Midlands


3. Key Area Maps

Local key areas maps
These highlight areas from the Alert Maps that are 6km2 or larger, identifying key areas likely to support water vole colonies - for example, several colonies of water voles occupying an area of a river system or waterway; robust water vole populations at large but isolated non-linear sites; or a series of sub-populations covering an extensive area.


 

 

 

 

 

 

 

 

 

 

 

 


Water vole local key areas map for the East Midlands(areas greater than 6 km2)

 

Regional key areas maps
These highlight areas from the Alert Maps that are 35km2 or larger, where water vole populations are considered more likely to survive the impacts of stochastic events (such as flooding) and persist for more than 40 years.

 

 

 

 

 

 

 

 


 

 

 


Water vole regional key areas map for the East Midlands(areas greater than 35 km2)
 

Downloads

FilenameFile size
Guide to the use of Project outputs 2014.pdf2.7 MB