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The invasive gastropod Crepidula fornicata: reproduction and recruitment in the intertidal at its northernmost range in Wales, UK, and implications for its secondary spread

The invasive gastropod Crepidula fornicata: reproduction and recruitment in the intertidal at its northernmost range in Wales, UK, and implications for its secondary spread
The invasive gastropod Crepidula fornicata: reproduction and recruitment in the intertidal at its northernmost range in Wales, UK, and implications for its secondary spread
The establishment and spread of a non-native species in an introduced range depends to a large extent on the performance of the species under the prevailing environmental conditions. The spawning, larval and spatfall periods of the invasive gastropod Crepidula fornicata were monitored in the intertidal zone at its northernmost range in Wales, UK, between February 2010 and January 2011. The duration of the reproductive season was similar to that recorded from more southerly European populations. Spawning and larval release occurred throughout most of the year even at low seawater temperatures of <7 °C, but benthic recruitment was observed over a much shorter period at seawater temperatures >16 °C. Recruitment was low and likely controlled by post-settlement mortality. These observations suggest that C. fornicata’s northwards spread in Welsh waters will not be limited by seawater temperature negatively affecting reproduction, but by processes acting after larval release. These data show the importance of incorporating settlement and post-settlement processes into studies on recruitment success when aiming to predict the potential spread of a potentially harmful invader such as C. fornicata.
0025-3162
2091-2103
Bohn, Katrin
5b6ff1ee-2ec0-4d15-a02e-b2e575b97953
Richardson, Christopher
81e2f861-bedf-4ace-9ffa-583ee9a9fb3a
Jenkins, Stuart
12c3deb7-6ac2-4e7f-9732-adc55ef218ff
Bohn, Katrin
5b6ff1ee-2ec0-4d15-a02e-b2e575b97953
Richardson, Christopher
81e2f861-bedf-4ace-9ffa-583ee9a9fb3a
Jenkins, Stuart
12c3deb7-6ac2-4e7f-9732-adc55ef218ff

Bohn, Katrin, Richardson, Christopher and Jenkins, Stuart (2012) The invasive gastropod Crepidula fornicata: reproduction and recruitment in the intertidal at its northernmost range in Wales, UK, and implications for its secondary spread. Marine Biology, 159 (9), 2091-2103. (doi:10.1007/s00227-012-1997-3).

Record type: Article

Abstract

The establishment and spread of a non-native species in an introduced range depends to a large extent on the performance of the species under the prevailing environmental conditions. The spawning, larval and spatfall periods of the invasive gastropod Crepidula fornicata were monitored in the intertidal zone at its northernmost range in Wales, UK, between February 2010 and January 2011. The duration of the reproductive season was similar to that recorded from more southerly European populations. Spawning and larval release occurred throughout most of the year even at low seawater temperatures of <7 °C, but benthic recruitment was observed over a much shorter period at seawater temperatures >16 °C. Recruitment was low and likely controlled by post-settlement mortality. These observations suggest that C. fornicata’s northwards spread in Welsh waters will not be limited by seawater temperature negatively affecting reproduction, but by processes acting after larval release. These data show the importance of incorporating settlement and post-settlement processes into studies on recruitment success when aiming to predict the potential spread of a potentially harmful invader such as C. fornicata.

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More information

e-pub ahead of print date: 13 July 2012
Published date: September 2012
Organisations: Ocean Biochemistry & Ecosystems

Identifiers

Local EPrints ID: 353828
URI: https://eprints.soton.ac.uk/id/eprint/353828
ISSN: 0025-3162
PURE UUID: 86b38c28-21f9-4985-97ff-5cbbb0ae44b5

Catalogue record

Date deposited: 19 Jun 2013 12:06
Last modified: 16 Jul 2019 21:30

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