alexa Have Centuries of Inefficient Fishing Sustained a Wild Oyster Fishery: a Case Study
ISSN: 2150-3508

Fisheries and Aquaculture Journal
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Research Article

Have Centuries of Inefficient Fishing Sustained a Wild Oyster Fishery: a Case Study

Stephen Long1,2,3*, Richard Ffrench-Constant1, Kristian Metcalfe2 and Matthew J Witt1

1Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK

2Environment and Sustainability Institute, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK

3Department of Geography, University College London, Pearson Building, Gower Street, London, WC1E 6BT, UK

*Corresponding Author:
Stephen Long
Department of Geography, University College London
Pearson Building, Gower Street, London, WC1E 6BT, UK
Tel: +44 20 7679 2000
E-mail: [email protected]

Received date: March 31, 2017; Accepted date: April 21, 2017; Published date: April 28, 2017

Citation: Long S, Constant RF, Metcalfe K, Witt MJ (2017) Have Centuries of Inefficient Fishing Sustained a Wild Oyster Fishery: a Case Study. Fish Aqua J 8:198. doi: 10.4172/2150-3508.1000198

Copyright: © 2017 Long S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The native European flat oyster (Ostrea edulis) has declined throughout its range, due to over-exploitation, a situation mirrored in oyster stocks globally. There are three remaining oyster fisheries in England (Fal, Solent, and Thames Estuary). The Fal oyster fishery though employs traditional methods, using hand-hauled dredges from rowing punts or under sail and is home to the last commercial sailing fleet in Europe. Against a backdrop of temporary closures to protect dwindling stocks in the Solent and Thames Estuary, this study considers whether the longevity of the Fal oyster fishery is linked to the traditional methods that have been employed for centuries. Using GPS tracking in combination with on board observers, we demonstrate that dredging under sail is inefficient compared to more modern mechanically powered methods that are utilised elsewhere. A review of historical landings suggests that both overall landings and fishing effort have declined. The fishery appears to have gone through cycles of over-exploitation and one closure due to disease. However, the key to the long-term survival of the Fal oyster fishery may be linked to the traditional method of dredging. It is estimated that a switch from traditional methods to modern techniques would result in a greater than 9 fold increase in effort per season. The data presented highlight this unique fishery as a counterfactual to the increases in power seen in commercial fisheries over the last century and serve as a reference point for future studies.

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