Spatial and temporal variation in otolith chemistry for tautog (Tautoga onitis) in Narragansett Bay and Rhode Island coastal ponds

Mateo, Ivan and Durbin, Edward G. and Bengtson, David A. and Kingsley, Richard and Swart, Peter K. and Durant, Daisy (2010) Spatial and temporal variation in otolith chemistry for tautog (Tautoga onitis) in Narragansett Bay and Rhode Island coastal ponds. Fishery Bulletin, 108(2), pp. 155-161.

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Abstract

The elemental composition of otoliths may provide valuable information for establishing connectivity between fish nursery grounds and adult fish populations. Concentrations of Rb, Mg, Ca, Mn, Sr, Na, K, Sr, Pb, and Ba were determined by using solution-based inductively coupled plasma mass spectrometry in otoliths of young-of-the year tautog (Tautoga onitis) captured in nursery areas along the Rhode Island coast during two consecutive years. Stable oxygen (δ18O) and carbon (δ13C) isotopic ratios in young-of-the year otoliths were also analyzed with isotope ratio mass spectrometry. Chemical signatures differed significantly among the distinct nurseries within Narragansett Bay and the coastal ponds across years. Significant differences were also observed within nurseries from year to year. Classification accuracy to each of the five tautog nursery areas ranged from 85% to 92% across years. Because accurate classification of juvenile tautog nursery sites was achieved, otolith chemistry can potentially be used as a natural habitat tag.

Item Type: Article
Title: Spatial and temporal variation in otolith chemistry for tautog (Tautoga onitis) in Narragansett Bay and Rhode Island coastal ponds
Personal Creator/Author:
CreatorsEmail
Mateo, Ivan
Durbin, Edward G.
Bengtson, David A.
Kingsley, Richard
Swart, Peter K.
Durant, Daisy
Refereed: Yes
Journal or Publication Title: Fishery Bulletin
Volume: 108
Number: 2
Page Range: pp. 155-161
Date: 2010
ISSN: 0090-0656
Issuing Agency: United States National Marine Fisheries Service
Subjects: Biology
Ecology
Fisheries
Item ID: 8754
Depositing User: Patti M. Marraro
Date Deposited: 11 Jun 2012 18:33
Last Modified: 11 Jun 2012 18:33
URI: http://aquaticcommons.org/id/eprint/8754

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