Variability of stable isotope ratios of glassfish (Ambassis jacksoniensis) from mangrove/saltmarsh environments in Southeast Australia and implications for choosing sample size

Debashish Mazumder*, Robert J. Williams, Dennis Reid, Neil Saintilan, Ron Szymczak

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Stable isotopes offer an accurate and cost-effective way to understand critical pathways of energy, and their use has application where aquatic habitats have been degraded. Isotope ratios can offer insights into appropriate conservation and rehabilitation techniques to manage these valuable resources. To date, the literature shows little attention to spatial and temporal variation in isotope signatures of samples taken from estuarine environments. This study reports on an investigation of sample size by which to determine isotopic signatures within a single species of fish, Ambassis jacksoniensis. Provided are two ways by which to determine how many samples are needed, and the results imply that care may be needed in interpreting previous studies based on small sample size. A minimum of five individuals would appear necessary in some cases.

Original languageEnglish
Pages (from-to)114-123
Number of pages10
JournalEnvironmental Bioindicators
Volume3
Issue number2
DOIs
Publication statusPublished - Apr 2008
Externally publishedYes

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