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DBRC Lutra lutra records 1952 - 2016

Dataset homepage

Citation

Derbyshire Biological Records Centre (2017). DBRC Lutra lutra records 1952 - 2016. Occurrence dataset https://doi.org/10.15468/q6yovo accessed via GBIF.org on 2023-01-30.

Description

This dataset comprises all of the otter records held by Derbyshire Wildlife Trust and the former Derby Biological Records Centre and covers the period 1952-2016.

Purpose

Most of the records have been captured during site surveys aimed specifically at improving knowledge and understanding of otter distribution and population trends in Derbyshire.

Sampling Description

Quality Control

There is a high level of confidence about the accuracy of the records within this dataset. The dataset has a comprehensive geographic coverage and records have been checked by DWT. This has resulted in the correction of obvious input errors (after reference to the primary data source) and highlighted where records required additional information in order to have a high confidence in their accuracy. Any records with a low level of confidence remaining after validation procedures have been excluded. Given the validation procedures and cautionary approach which has been adopted it is considered that there is a reasonable level of confidence in the accuracy of the dataset. This dataset has been checked with the NBN Record Cleaner.

Method steps

  1. The dataset has been validated and maintained by Derbyshire Wildlife Trust and for the past 15 years training has been provided to field surveyors to provide them with the skills they need to identify positive field signs and to ensure interpretation of field signs is consistent. Many of the records have been generated as part of an ongoing monitoring programme focused on key sites across the County. Typicaly surveyors visit their site several times a year checking for any signs of use by otters. Much of this work is undertaken by volunteers. The data is initially stored in an Access database before being translated into the NBN format. Records are included where there are sufficient field signs or where an otter has been seen.

Taxonomic Coverages

Geographic Coverages

The data relates to the administrative county of Derbyshire and records have been collected from across the entire County. However, in recent years there has been a focus on key monitoring sites in the County. The records are mainly site based, and as such many have been entered onto the Trusta^??s database using a six figure grid reference for the site.

Bibliographic Citations

Contacts

originator
Derbyshire Biological Records Centre
Main Street
Derbyshire
DE4 4LR 
Telephone: 01773 881188
email: enquiries@derbyshirewt.co.uk
homepage: http://www.derbyshirewildlifetrust.org.uk/what-we-do/derbyshire-biological-records-centre
metadata author
Derbyshire Biological Records Centre
Main Street
Derbyshire
DE4 4LR 
Telephone: 01773 881188
email: enquiries@derbyshirewt.co.uk
homepage: http://www.derbyshirewildlifetrust.org.uk/what-we-do/derbyshire-biological-records-centre
distributor
NBN Atlas
Unit F, 14 - 18 St Mary's Gate, Lace Market
Nottingham
NG1 1PF
Nottinghamshire
GB
email: admin@nbnatlas.org
Kieron Huston
administrative point of contact
email: khuston@derbyshirewt.co.uk
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