The stable carbon isotope composition of green-lipped mussels #Perna canaliculus#, Marlborough Sounds

By: Lyon, G. L.
Contributor(s): Hickman, R. W. (MAF Fisheries, Aquaculture Section. Wellington) | Institute of Geological & Nuclear Sciences Limited.
Material type: materialTypeLabelBookSeries: Institute of Geological & Nuclear Sciences science report ; 93/41.Publisher: Lower Hutt : Institute of Geological & Nuclear Sciences, 1993Description: 26 p.ISBN: 0478070764.ISSN: 1171-9184.Other title: The stable carbon isotope composition of green - lipped mussels #Perna canaliculus#, Marlborough Sounds.Subject(s): CARBON ISOTOPES | STABLE ISOTOPES | C-13 | GREEN-LIPPED MUSSELS | MUSSELS | MOLLUSCS | PERNA CANALICULUS | MARLBOROUGH SOUNDS | SOUTH ISLAND | AQUACULTURE | SEASONAL VARIATIONS | NUTRITION | FOOD SUPPLY | DETRITUS | PHYTOPLANKTON | RN=14762-75-5 | CHEMICAL ANALYSIS | CHEMICAL COMPOSITION | GROWTH RATES In: Institute of Geological & Nuclear Sciences science reportSummary: Variations are shown for the delta/sup 13/C values of green-lipped mussels, #Perna canaliculus#, collected on several occasions between October 1983 and April 1985 from six sites in the Marlborough Sounds, South Island, New Zealand. Additional limited data is presented for mussels from two other sites and on other fish and particulate matter. The delta/sup 13/C in #P. canaliculus# was found to vary seasonally, with the least negative values in winter 1984. The delta/sup 13/C values ranged from -16.7 to -21.3 per thousand, with males on average 0.7 per thousand less negative than females. Phytoplankton composition would be expected to also vary in delta/sup 13/C with least negative values when at their greatest production rate, i.e. in spring or summer, and thus mussel compositions appear to show a lag of several months. There was no evidence that terrestrial food was important. (auth)
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JOURNAL JOURNAL WELLINGTON
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STACK NO. 93/41 1 Available J05726

25 refs; 10 figs; 8 tables

Variations are shown for the delta/sup 13/C values of green-lipped mussels, #Perna canaliculus#, collected on several occasions between October 1983 and April 1985 from six sites in the Marlborough Sounds, South Island, New Zealand. Additional limited data is presented for mussels from two other sites and on other fish and particulate matter. The delta/sup 13/C in #P. canaliculus# was found to vary seasonally, with the least negative values in winter 1984. The delta/sup 13/C values ranged from -16.7 to -21.3 per thousand, with males on average 0.7 per thousand less negative than females. Phytoplankton composition would be expected to also vary in delta/sup 13/C with least negative values when at their greatest production rate, i.e. in spring or summer, and thus mussel compositions appear to show a lag of several months. There was no evidence that terrestrial food was important. (auth)

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