b8725f50926c1d9d689963de6edb9d55 English dataset Data Archive for Seabed Species and Habitats (DASSH) Data Manager 01752 633102 01752 633291 Marine Biological Association of the UK, The Laboratory, Citadel Hill Plymouth PL1 2PB dassh.enquiries@mba.ac.uk pointOfContact 2024-07-02 MEDIN Discovery metadata standard 2.3.8 urn:ogc:def:crs:EPSG::4326 2008 Mineur et al. UK west coast records for Bonnemaisonia hamifera 2008-03-17 publication DASSHDT00000182 http://www.dassh.ac.uk It has traditionally been considered that areas with high natural species richness are likely to be more resistant to non-indigenous species than those with lower numbers of species. However, this theory has been the subject of a debate ove rthe last decade, since some studies have shown the opposite trend. In the present study, a macroalgal survey was carried out at 24 localities in Northern Ireland and southern England, using a quadrat approach in the lower littoral. The two opposing hypotheses were tested (negative versus positive relationship between native and non-indigenous species richness) in this marine environment. The effect of the presence of ‘impacts’, potential sources of disturbance and species introduction(e.g. marina, harbour or aquaculture), was also tested. A positive relationship was found between the number of non-indigenous species and the native species richness at the three different scales tested (quadrats, sites and localities). At no scale did a richer native assemblage appear to restrict the establishment of introduced species. The analyses revealed greater species richness and different community composition, as well as more non-indigenous species, in southern England relative to Northern Ireland. The presence of the considered impacts had an effect on the community composition and species richness in southern England but not in Northern Ireland. Such impacts had no effect on the non-indigenous species richness in either area. Frederic Mineur Queen's University Belfast School of Biological Sciences Researcher +44 (0)28 9097 5787 +44 (0)28 9097 5877 Medical Biology Centre 97 Lisburn Road Belfast sobb.office@qub.ac.uk originator Data Archive for Seabed Species and Habitats (DASSH) Data Manager 01752 633102 01752 633291 Marine Biological Association of the UK, The Laboratory, Citadel Hill Plymouth PL1 2PB dassh.enquiries@mba.ac.uk custodian notPlanned Delimited Marine Environmental Data and Information Network NDGO0005 Species distribution GEMET - INSPIRE themes, version 1.0 2008-01-06 revision Macroalgae generic abundance in water bodies SeaDataNet P021 parameter discovery vocabulary 2009-11-16 revision Biodiversity GEMET 2011-07-06 creation CC BY 4.0 otherRestrictions Open Access English biota Charting Progress 2 Sea Areas 2009-06-18 creation Western Channel and Celtic Sea Charting Progress 2 Sea Areas 2009-06-18 creation Irish Sea Charting Progress 2 Sea Areas 2009-06-18 creation Minches & Western Scotland -6.1701 -3.0060 49.8441 50.6868 -6.0053 -4.9836 54.0327 54.9389 2002-08-08 2002-09-24 Data Archive for Seabed Species and Habitats (DASSH) Data Manager 01752 633102 01752 633291 Marine Biological Association of the UK, The Laboratory, Citadel Hill Plymouth PL1 2PB dassh.enquiries@mba.ac.uk distributor http://doi.org/10.17031/668285e25e953 DOI link A link to the web service or dataset http://https://www.dassh.ac.uk/datasets A link to the general host site dataset Part of MSFD NNS baseline data collation project (Jan 2016). Subset of a dataset as we were only pulling out records for a selection of INNS. Contains records for Bonnemaisonia hamifera. If any sensitive species or biotope records are present within this dataset, they will have been removed. If you wish to request access to sensitive species records, please contact the metadata contact. The UK Sensitive Species list has been agreed by UK statutory bodies and relevant experts. It can be viewed here https://docs.nbnatlas.org/sensitive-species-list/. Please note sensitive species lists can vary across the UK. See Non-indigenous marine macroalgae in native communities: A case study in the British Isles. Journal of the Marine Biological Association of the United Kingdom, 2008, 88(4), 693–698. DOI: 10.1017/S0025315408001409 for original source