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Management strategies for short lived species: The case of Australia's Northern Prawn Fishery 1. Accounting for multiple species, spatial structure and implementation uncertainty when evaluating risk
Citation
Dichmont, CM and Deng, AR and Punt, AE and Venables, W and Haddon, M, Management strategies for short lived species: The case of Australia's Northern Prawn Fishery 1. Accounting for multiple species, spatial structure and implementation uncertainty when evaluating risk, Fisheries Research, 82, (1-3) pp. 204-220. ISSN 0165-7836 (2006) [Refereed Article]
DOI: doi:10.1016/j.fishres.2006.06.010
Abstract
The Northern Prawn Fishery harvests a variety of prawn species including some short-lived species with highly variable recruitment such as banana prawns and slightly longer-lived tiger prawns with less variable recruitment. An evaluation of stock assessment methods and management strategies for the Northern Prawn Fishery using the management strategy evaluation (MSE) approach requires an (operating) model of the resource to act as the 'truth' for the analyses. A five-stock, two tiger prawn species operating model with a weekly time-step is developed and conditioned using more than 30 years of logbook catch and effort data as well as the results of fishery-independent research. The operating model is projected beyond the present using stock-specific stock-recruitment relationships. Banana prawns are not modelled explicitly, but their impact on the management system is simulated empirically. The input control nature of the management system is mimicked using an effort allocation model that allocates effort by species, area and week. This model allows for the impact of changes over time in efficiency, a key uncertainty in the assessment of these species, and the impact of management implementation error, which has historically been substantial. Some of the properties of the operating model are illustrated by projections based on a constant effort policy. © 2006 Elsevier B.V. All rights reserved.
Item Details
Item Type: | Refereed Article |
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Research Division: | Agricultural, Veterinary and Food Sciences |
Research Group: | Fisheries sciences |
Research Field: | Fisheries management |
Objective Division: | Animal Production and Animal Primary Products |
Objective Group: | Fisheries - wild caught |
Objective Field: | Fisheries - wild caught not elsewhere classified |
UTAS Author: | Haddon, M (Associate Professor Malcolm Haddon) |
ID Code: | 42771 |
Year Published: | 2006 |
Web of Science® Times Cited: | 49 |
Deposited By: | TAFI - Marine Research Laboratory |
Deposited On: | 2006-08-01 |
Last Modified: | 2007-04-13 |
Downloads: | 0 |
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