Journal article
Spatial variation in life history characteristics of snapper (Pagrus auratus) within Shark Bay, Western Australia
New Zealand Journal of Marine and Freshwater Research, Vol.44(1), pp.1-15
2010
Abstract
Life history characteristics of snapper (Pagrus auratus) were found to vary at fine spatial scales (less than tens of kilometres) in the sub-tropical waters of Shark Bay, Western Australia, from research undertaken between 1997 and 2004. Differences in the timing and duration of the spawning season, length and age at maturity, and maximum age and growth between snapper from the Eastern Gulf, Denham Sound and Freycinet Estuary were attributed to spatial differences in environmental conditions and density-dependent responses to fishing-induced changes in spawning biomass. Such fine-scale spatial variation in the biological characteristics of snapper is consistent with results of previous stock identification studies and further supports the geographic scale at which local snapper stocks are managed to protect both stock productivity and genetic diversity.
Details
- Title
- Spatial variation in life history characteristics of snapper (Pagrus auratus) within Shark Bay, Western Australia
- Authors/Creators
- G. Jackson (Author/Creator) - Government of Western AustraliaJ. Norriss (Author/Creator) - Government of Western AustraliaM. Mackie (Author/Creator) - Government of Western AustraliaN.G. Hall (Author/Creator) - Murdoch University
- Publication Details
- New Zealand Journal of Marine and Freshwater Research, Vol.44(1), pp.1-15
- Publisher
- Taylor & Francis
- Identifiers
- 991005544176007891
- Copyright
- 2011 Taylor & Francis
- Murdoch Affiliation
- Centre for Fish and Fisheries Research
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.92 Fisheries Ecology
- Web Of Science research areas
- Fisheries
- Marine & Freshwater Biology
- Oceanography
- ESI research areas
- Plant & Animal Science