A survey of the distribution and absolute abundance of pre-recruit and recruited dredge oysters (Ostrea chilensis) in both non-commercial and designated commercial areas of Foveaux Strait, and estimates of the prevalence and intensity of infection by Bonamia exitiosa, February 2007 / K.P. Michael, A. Dunn, J. Forman, A. Arlidge.

By: Michael, K. P.
Contributor(s): Dunn, A | Forman, J | Arlidge, A | NIWA Wellington (N.Z.).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2008/61Publisher: Wellington, N.Z. : Ministry of Fisheries, 2008Description: 49 pages : illustrations, figures, tables ; 30 cm.ISSN: 1175-1584.Subject(s): FISHERIES | DREDGE OYSTERS | OSTREA CHILENSIS | RECRUITMENT | ABUNDANCE | SURVEYS | STOCK ASSESSMENT | DISEASES | BONAMIA | FOVEAUX STRAIT | NEW ZEALANDOnline resources: Click here to access online In: New Zealand fisheries assessment reportAbstract: The February 2007 Foveaux Strait oyster survey was a joint programme between the Bluff Oyster Management Company and NIWA, and continues a series of surveys for OYU 5 stock assessment and determining the status of Bonamia exitiosa (bonamia) infection in the oyster population. Sea conditions were good for dredge sampling and operational procedures were comparable to those of previous surveys. A two-phase stratified random survey was successfully completed, along with sampling oysters from two, fine spatial-scale grids, and targeted stations for bonamia infection. Altogether 153 stations were sampled; 90 first-phase, 14 second-phase stations, 9 target stations, and 40 stations from the two grids. All stations were sampled for oyster density and infection by bonamia.
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Item type Current library Call number Copy number Status Date due Barcode
JOURNAL JOURNAL WELLINGTON JOURNALS NO. 2008/61 1 Available J019814

NIWA project OYS2006/01 objective 1

Includes bibliographical references (pages 41-43).

The February 2007 Foveaux Strait oyster survey was a joint programme between the Bluff Oyster Management Company and NIWA, and continues a series of surveys for OYU 5 stock assessment and determining the status of Bonamia exitiosa (bonamia) infection in the oyster population. Sea conditions were good for dredge sampling and operational procedures were comparable to those of previous surveys. A two-phase stratified random survey was successfully completed, along with sampling oysters from two, fine spatial-scale grids, and targeted stations for bonamia infection. Altogether 153 stations were sampled; 90 first-phase, 14 second-phase stations, 9 target stations, and 40 stations from the two grids. All stations were sampled for oyster density and infection by bonamia.

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