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Article
Use of Otolith Strontium:Calcium Ratios for Hindcasting Larval Cod Gadus Morhua Distributions Relative to Water Masses on Georges Bank
Marine Ecology-Progress Series
  • David Townsend, University of Maine - Main
  • R. L. Radtke
  • D. P. Malone
  • J. P. Wallinga
Document Type
Article
Publication Date
3-1-1995
Abstract/ Summary

The concentration ratios of strontium to calcium in laboratory-reared larval cod otoliths are shown to be related to the water temperature (T) at the time of otolith precipitation. This relationship is curvilinear, and is best described by a simple exponential equation of the form (Sr/Ca x 1000 = a exp(-T/b). We show that when Sr/Ca elemental analyses are related to the daily growth increments in the larval otoliths, relative temperature histories of individual field-caught larvae can be reconstructed from the egg stage to the time of capture. We present preliminary examples of how such reconstructed temperature histories of Atlantic cod Gadus morhua larvae, collected on Georges Bank during April and May 1993, may be interpreted in relation to the broad-scale larval distributions and the hydrography of the Bank.

Citation/Publisher Attribution
Townsend DW, Radtke RL, Malone DP,Wallinga JP. Use of Otolith Strontium:Calcium Ratios for Hindcasting Larval Cod Gadus Morhua Distributions Relative to Water Masses on Georges Bank. Marine Ecology-Progress Series. 1995;119: 37-44.
Publisher Statement
Copyright 1995 Inter-Research.
DOI
10.3354/meps119037
Version
publisher's version of the published document
Citation Information
David Townsend, R. L. Radtke, D. P. Malone and J. P. Wallinga. "Use of Otolith Strontium:Calcium Ratios for Hindcasting Larval Cod Gadus Morhua Distributions Relative to Water Masses on Georges Bank" Marine Ecology-Progress Series Vol. 119 Iss. 40546 (1995) p. 37 - 44
Available at: http://works.bepress.com/david_townsend/3/