Strontium to calcium (Sr/Ca) ratio in otolith as a tool for stock discrimination of oilsardine and mackerel
CMFRI Repository
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Relation |
http://eprints.cmfri.org.in/9304/
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Title |
Strontium to calcium (Sr/Ca) ratio in otolith as a tool for stock discrimination of oilsardine and mackerel |
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Creator |
Prema, D
Valsala, K K Kripa, V Nandakumar, A Krishnakumar, P K Singh, V V Asha, P S Sulochanan, Bindu Rohit, Prathibha Ghosh, Shubhadeep Rajagopalan, M Kizhakudan, Joe K Hemasankari, P Ganga, U Veena, S Bhat, G S Umesh, H Rane Anilkumar, P S Bhint, H M Basha, A Ahmed Kamal Lavanya, R |
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Subject |
Pelagic Fisheries
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Description |
Otoliths are found in the membranous labyrinth of the inner ear of teleost fish and serve mainly in balancing the organism. They are composed of calcium carbonate and are deposited rhythmically as aragonite crystals within a protein matrix. They have long been used in fish aging studies. Recently, changes in the strontium (Sr): calcium (Ca) ratios in otoliths have received increasing attention, as these provide a method of reconstructing environmental history of the fish. Strontium is a calcium analogue sharing a similar crystal ionic radius and can substitute for Ca in the aragonite lattice of otoliths. |
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Publisher |
Central Marine Fisheries Research Institute
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Date |
2012
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Type |
Article
PeerReviewed |
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Format |
application/pdf
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Language |
en
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Identifier |
http://eprints.cmfri.org.in/9304/1/85.pdf
Prema, D and Valsala, K K and Kripa, V and Nandakumar, A and Krishnakumar, P K and Singh, V V and Asha, P S and Sulochanan, Bindu and Rohit, Prathibha and Ghosh, Shubhadeep and Rajagopalan, M and Kizhakudan, Joe K and Hemasankari, P and Ganga, U and Veena, S and Bhat, G S and Umesh, H Rane and Anilkumar, P S and Bhint, H M and Basha, A Ahmed Kamal and Lavanya, R (2012) Strontium to calcium (Sr/Ca) ratio in otolith as a tool for stock discrimination of oilsardine and mackerel. Marine Fisheries Information Service; Technical and Extension Series (213). pp. 9-10. |
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