2015 Roche et al. Didemnum Vexillum Sightings in Holyhead

A collection of Non-Native Species sightings from R.C. Roche. The dataset specifically lists records for the species Didemnum vexillum. It is aggregated from the eu_open_data platform and originates from the Government Digital Service.

Use Cases

• Mapping the distribution of Didemnum vexillum based on recorded sightings.
• Analyzing the spread of a non-native marine species based on observation data.
• Supporting ecological risk assessments for invasive species based on presence records.

Strengths

• Focuses on a specific, ecologically significant non-native species, Didemnum vexillum.
• Originates from an authoritative source, the Government Digital Service.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Government Digital Service

Collection Method

Collection of species sightings from R.C. Roche.

Time Range

2015

Freshness

Last updated date is unknown.

Geography

Holyhead (implied from title)