Environmental factors influencing the reproduction of an estuarine penaeid population and implications for management

This study determined environmental factors influencing the reproductive dynamics of a recreationally fished penaeid Metapenaeus dalli Racek in the Swan–Canning Estuary, south‐western Australia, during a restocking programme. Prawns were collected from nearshore (2 m deep) every lunar month from Oct...

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Bibliographic Details
Published in:Fisheries management and ecology 2018-06, Vol.25 (3), p.203-219
Main Authors: Crisp, J. A., Loneragan, N. R., Tweedley, J. R., D’Souza, F. M. L., Poh, B.
Format: Article
Language:English
Subjects:
aquaculture‐based enhancement
Brackishwater environment
Breeding
Carapace
Density stratification
Dynamics
Ecological aggregations
Egg production
Environmental factors
Environmental impact
Environmental management
Estuaries
Estuarine dynamics
Estuarine environments
Fecundity
Females
fishery
Fishing
Freshwater crustaceans
Marine crustaceans
Metapenaeus dalli
Ova
Penaeidae
Prawns
Processing fishery products
Reproduction
Restocking
Salinity
Salinity effects
shrimp/prawn
Stratification
Surface salinity
Water temperature
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Summary:This study determined environmental factors influencing the reproductive dynamics of a recreationally fished penaeid Metapenaeus dalli Racek in the Swan–Canning Estuary, south‐western Australia, during a restocking programme. Prawns were collected from nearshore (2 m deep) every lunar month from October 2013 to March 2016. Reproduction occurred between November and March, when water temperature was >17°C, salinity >25 and stratification (bottom–surface salinity)
ISSN:0969-997X
1365-2400
DOI:10.1111/fme.12278