Erica C.N. Chapman
Optimising recruitment in habitat creation for the native European oyster
Chapman, Erica C.N.; Rodriguez-Perez, Ana; Hugh-Jones, Tristan; Bromley, Cass; James, Mark A.; Diele, Karen; Sanderson, William G.
Authors
Ana Rodriguez-Perez
Tristan Hugh-Jones
Cass Bromley
Mark A. James
Prof Karen Diele K.Diele@napier.ac.uk
Professor
William G. Sanderson
Abstract
European oyster (Ostrea edulis) restoration often requires the timely deployment of shell habitat for larval settlement. To inform this increasingly popular process, the present study investigated temporal and spatial abundance patterns of O. edulis larvae in a rare commercial fishery (Loch Ryan, Scotland, UK). Patterns in larval abundance were analysed against variability in temperature, salinity, chlorophyll, oxygen, tidal/moon phase, light, date, and location.
‘Temperature sum’ (sum total of degrees per day above 7 °C) was the most significant seasonal predictor of larval abundance; with a peak at 617 degree-days. Oyster larval abundance did not significantly vary between oyster bed and non-bed habitats but was significantly higher in the mid and near-surface part of the water column.
The findings are discussed in the context of emerging international restoration initiatives and have implications for: where habitat restoration would be successful; the prediction of larval connectivity between sites; and a transferable indicator to optimise shell-habitat deployment timing.
Citation
Chapman, E. C., Rodriguez-Perez, A., Hugh-Jones, T., Bromley, C., James, M. A., Diele, K., & Sanderson, W. G. (2021). Optimising recruitment in habitat creation for the native European oyster. Marine Pollution Bulletin, 170, Article 112579. https://doi.org/10.1016/j.marpolbul.2021.112579
Journal Article Type | Article |
---|---|
Acceptance Date | May 28, 2021 |
Online Publication Date | Jun 11, 2021 |
Publication Date | 2021-09 |
Deposit Date | Jun 11, 2021 |
Publicly Available Date | Jun 12, 2023 |
Journal | Marine Pollution Bulletin |
Print ISSN | 0025-326X |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 170 |
Article Number | 112579 |
DOI | https://doi.org/10.1016/j.marpolbul.2021.112579 |
Keywords | Ostrea edulis; Larval behaviour; Larval dispersal; Connectivity; Habitat restoration; Cultch |
Public URL | http://researchrepository.napier.ac.uk/Output/2779789 |
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