Widespread occurrence of the non-indigenous ascidian Corella eumyota Traustedt, 1882 on the shores of Plymouth Sound and Estuaries Special Area of Conservation, UK

Collins, S; Oakley, J; Sewell, J; Bishop, J. 2010 Widespread occurrence of the non-indigenous ascidian Corella eumyota Traustedt, 1882 on the shores of Plymouth Sound and Estuaries Special Area of Conservation, UK. Aquatic Invasions, 5 (2). 175-179. 10.3391/ai.2010.5.2.07

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Official URL: http://dx.doi.org/10.3391/ai.2010.5.2.07

Abstract/Summary

The ascidian Corella eumyota, originally from the Southern Hemisphere, was first reported in the Northern Hemisphere in Brittany, France, in 2002. Since then, it has been recorded in Spain, Ireland, the south coast of England and South Wales. Most European records to date have been from artificial habitats such as marinas. In Plymouth, England, C. eumyota was first found in two marinas in 2005 but individuals were soon also detected in small numbers on nearby shores. Shore surveys in March and August of 2008 indicated that C. eumyota has established reproductive populations on natural and semi-natural shores of Plymouth Sound and the adjacent coastline, largely restricted to relatively sheltered sites in the lower reaches of estuaries. At these sites it is generally the most abundant non-colonial ascidian. The species clearly has the capacity to become a significant component of the biota of sheltered shores in the Northern Hemisphere.

Item Type: Publication - Article
Subjects: Biology
Conservation
Ecology and Environment
Divisions: Marine Biological Association of the UK > Ecosystems and Environmental Change > Biology & invasion ecology of sessile marine animals
Depositing User: Mr Jack Sewell
Date made live: 14 Dec 2015 10:44
Last Modified: 06 Jun 2017 16:14
URI: http://plymsea.ac.uk/id/eprint/6643

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