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Records of Invasive Non Native Species held on the Cofnod database

Dataset homepage

Citation

Cofnod – North Wales Environmental Information Service (2017). Records of Invasive Non Native Species held on the Cofnod database. Occurrence Dataset https://doi.org/10.15468/nxdbhu accessed via GBIF.org on 2018-04-20.

Description

This dataset includes all records of Invasive Non Native Species (INNS) held on the Cofnod database, with some exceptions. The list of INNS used was agreed with Natural Resources Wales. Records of other species are supplied in a separate dataset. Only records where specific permissions have been obtained from the dataset supplier are included. We have also excluded the following records: any which we believe to be already held on the NBN Gateway; any submitted to us by Biological Records Centre or a National Scheme/Society/Conservation organisation; and any owned by Natural Resources Wales (some of which are submitted by Cofnod within three separate datasets). This dataset may include Sensitive species records (as described in our Data Sourcing, Management and Use policy available from the Cofnod website). For these records the resolution of their grid references has been reduced to a non-sensitive resolution and site names and comments have been removed.

Purpose

Records will have been collected for manay different reasons, but have been collated by Cofnod as part of our aim to bring together species records across North Wales. They have been made available here because this has been demonstrated to be a high priority for the UK Government.

Sampling Description

Quality Control

All records have been screened to ensure that they have valid dates, species names and grid references. Depending on the source of the record, and whether or not it fails any of the rule sets included within the NBN Record Cleaner, it may have been subject to systematic verification by the relevant local expert. All records are labelled accordingly within an additional Attribute field: Verification Level. Individual records have a default verification level of ‘Unassessed’ until they have been looked at by a Verifier, after which they may be re-labelled as ‘Unconfirmed’ or ‘Considered Correct by Expert’. Some records known to be from a trusted source are labelled as ‘Considered Correct by Cofnod’. Records identified by Verifiers as ‘Known/Probably Incorrect’ have been excluded. Further details are given within relevant Cofnod policies. Data should be checked against original sources before use in contentious circumstances.

Method steps

  1. Records are mostly ad hoc or gathered as part of local INNS projects. They originate from a wide variety of different recorders and data suppliers, and have been submitted in various different electronic or paper formats or entered directly onto the Cofnod Online Recording System. Details of various quality checks used are provided below under Confidence in the Data.

Taxonomic Coverages

Geographic Coverages

While most records are from North Wales there are some from elsewhere in Wales, for which we in effect hold the master copy.

Bibliographic Citations

Contacts

originator
Cofnod – North Wales Environmental Information Service
Intec, Ffordd y Parc
Parc Menai, Bangor
LL57 4FG
Gwynedd
Telephone: (01248) 672603
email: contactus@cofnod.org.uk
homepage: http://www.cofnod.org.uk/Home
metadata author
Cofnod – North Wales Environmental Information Service
Intec, Ffordd y Parc
Parc Menai, Bangor
LL57 4FG
Gwynedd
Telephone: (01248) 672603
email: contactus@cofnod.org.uk
homepage: http://www.cofnod.org.uk/Home
distributor
NBN Atlas
Broadway Business Centre, 32a Stoney Street, Lace Market
Nottingham
NG1 1LL
Nottinghamshire
GB
email: admin@nbnatlas.org
Aisling May
administrative point of contact
email: record@cofnod.org.uk
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