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Restocking of the Western School Prawn (Metapenaeus dalli) in the Swan Canning Riverpark

Tweedley, J.R., Loneragan, N.R., Crisp, J.A., Poh, B., Broadley, A.D., Bennett, A., Hodson, Kyle, Trayler, K.M., Jenkins, G.I. and Chaplin, J.A. (2017) Restocking of the Western School Prawn (Metapenaeus dalli) in the Swan Canning Riverpark.

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Abstract

This report provides the first comprehensive investigation into the biology and ecology of the Western School Prawn (Metapenaeus dalli) in the Swan-Canning Estuary in south-western Australia. It provides knowledge to help manage the fishery and evaluate release strategies for the aquaculture-based enhancement of this species. The study involved Murdoch University, the Department of Biodiversity, Conservation and Attractions (DBCA) (formerly Department of Parks and Wildlife and the Swan River Trust) and the Australian Centre for Applied Aquaculture Research (ACAAR). It was designed to complement a concurrent project to develop aquaculture techniques to produce and release M. dalli and re-engage the local community with prawning and the estuary (led by ACAAR, DBCA’s Parks and Wildlife Service and the West Australian Fish Foundation), funded by the Recreational Fishing Initiatives Fund. The Fisheries Research and Development Corporation provided matching funds for the current study. Biological data on M. dalli were collected from 20 sites in nearshore and 16 in the offshore waters of the Swan-Canning Estuary, ranging from the mouth of the system to ~40 and 30 km upstream in the Swan and Canning rivers, respectively, in every lunar month between October 2013 and March 2016. Laboratory studies were also completed to investigate the survival and growth of larval prawns in different salinity, water temperature and algal food conditions. Results were presented as part of the Prawn Watch program to engage the community in the research and encourage stewardship of the fishery and the estuary.

Publication Type: Report
Murdoch Affiliation: School of Veterinary and Life Sciences
Copyright: © 2017 Department of Biodiversity, Conservation and Attractions, Murdoch University, Australian Centre for Applied Aquaculture Research and the Fisheries Research and Development Corporation
UNSD Goals: Goal 14: Conserve Marine Resources
URI: http://researchrepository.murdoch.edu.au/id/eprint/40114
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