Otter Surveys 1977-2010
Summary
This record is for Approval for Access product AfA224. Four national otter surveys have been completed for England in 1977-79, 1984-86, 1991-94 and 2000-02. The fifth national otter survey of England completed in 2009-10 is the first to attempt full coverage of the country. Two field survey techniques are used – full surveys for sites investigated in previous national surveys and spot-checks for all the alternate 50km squares not covered in previous surveys. Droppings (spraints) and footprints are the positive signs. Spot checks are made for up to 10 locations within the survey square. The presence of mink is also recorded but this is only included as part of the more detailed otter survey.
Categories
Use limitation statement
There are no public access constraints to this data. Use of this data is subject to the licence identified.
Licence
Open Government LicenceAttribution statement
© Environment Agency copyright and/or database right 2015. All rights reserved.
Technical information
Update frequency
notPlanned
Lineage
Survey data collected by contractors over five different survey periods by surveying the otter spraints. Sightings of Mink are also recorded. The data is held in a stand alone Access database but published as Excel spreadsheets.
Spatial information
Coordinate reference system
http://www.opengis.net/def/crs/EPSG/0/27700Geographic extent
- Latitude from: 49.943 to 55.816
- Longitude from: -6.236 to 2.072
Metadata information
Language
English
Metadata identifier
6833d40f-d465-11e4-aafe-f0def148f590
Published by
Environment Agency
Contact publisher
Defra Data Services ForumDataset reference dates
Creation date
01 January 1997
Revision date
N/A
Publication date
N/A
Period
- N/A
Related datasets
N/A
Search
Data and Supporting Information
| Data services and download by area of interest | Link | Action |
|---|
| Full downloads and supporting documentation | Format | Action |
|---|---|---|
| Otter_Surveys_1977-2010.xls | XLS | Download |