Please use this identifier to cite or link to this item: https://une.intersearch.com.au/unejspui/handle/1959.11/340
Title: Growth and mortality of sibling triploid and diploid Sydney rock oysters, 'Saccostrea glomerata' (Gould), in the Camden Haven River
Contributor(s): Troup, AJ (author); Cairns, SC (author); Simpson, Rod (author)
Publication Date: 2005
DOI: 10.1111/j.1365-2109.2005.01326.x
Handle Link: https://hdl.handle.net/1959.11/340
Abstract: Growth and mortality of sibling triploid and diploid Sydney rock oysters, grown at two tidal heights, three stocking densities and three different sites on the Camden Haven River estuary, were compared. Triploids grew faster than diploids. The majority of the growth rate difference occurred after the oysters reached 2 years of age. By 3.2 years, triploids were 49% heavier than diploids. Oysters grown intertidally were larger than those grown subtidally. Oysters stocked at the lightest density of 2 L per basket grew to a significantly larger size than baskets stocked at 3 or 4 L. Growth rates were significantly different at the three sites. Growth was reduced the further the oysters were from the mouth of the estuary. There was no significant difference in mortality between ploidy level, but there were differences between tidal heights, stocking densities and sites. Intertidal oysters suffered higher mortality than subtidal. Oysters stocked at the highest density had a significantly higher mortality than the lowest density; neither of these was significantly different from the medium density. The site closest to the mouth of the estuary had significantly lower mortality than the middle and upper estuary sites.
Publication Type: Journal Article
Source of Publication: Aquaculture Research, 36(11), p. 1093-1103
Publisher: Blackwell Publishing Ltd
Place of Publication: United Kingdom
ISSN: 1355-557X
Field of Research (FOR): 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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