Journal article
Recruitment, growth, mortality and population structure in a southern Australian population of Haliotis rubra (Mollusca: Gastropoda)
Marine Biology, Vol.100(1), pp.75-82
1988
Abstract
A population of Haliotis rubra Leach at Blubber Head in south-eastern Tasmania, Australia (43°19′S; 147°04′E) was sampled between February 1984 and October 1985. Relatively large numbers of 30 to 45 d-old new recruits were observed entering the population between October and February of each year. The annual instantaneous rate of natural mortality, Z, was 0.70 during the second year of life. The rate of natural mortality declined with age. The onset of sexual maturity began at 4 to 5 yr of age or an approximate maximum length of 90 mm, and most abalone in the population were mature at 6 to 7 yr of age or at lengths>110 mm. The onset of sexual maturity coincided with a decline in growth rates and the emergence of abalone from the subboulder habitat. These observations are discussed in the light of previous observations of population structure in haliotid populations.
Details
- Title
- Recruitment, growth, mortality and population structure in a southern Australian population of Haliotis rubra (Mollusca: Gastropoda)
- Authors/Creators
- J.D. Prince (Author/Creator) - University of TasmaniaT.L. Sellers (Author/Creator) - Tasmanian Department of Sea Fisheries, Research Laboratory, Taroona, AustraliaW.B. Ford (Author/Creator) - Tasmanian Department of Sea Fisheries, Research Laboratory, Taroona, AustraliaS.R. Talbot (Author/Creator) - Tasmanian Department of Sea Fisheries, Research Laboratory, Taroona, Australia
- Publication Details
- Marine Biology, Vol.100(1), pp.75-82
- Publisher
- Springer Verlag
- Identifiers
- 991005544584407891
- Copyright
- © 1988 Springer-Verlag.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.509 Marine Algae
- Web Of Science research areas
- Marine & Freshwater Biology
- ESI research areas
- Plant & Animal Science