2013
DOI: 10.1590/s1679-62252013000100024
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Abstract: This study applies total mercury (THg) concentration and stable isotope signature (δ15N and δ13C) to evaluate the trophic status and feeding ground of Trichiurus lepturus during its ontogeny in northern Rio de Janeiro, south-eastern Brazil. The trophic position of T. lepturus is detected well by THg and δ15N as the sub-adult planktivorous specimens are distinct from the adult carnivorous specimens. The δ13C signatures suggest a feeding ground associated with marine coastal waters that are shared by fish in dif… Show more

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Cited by 15 publications
(7 citation statements)
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“…The ratios δ 13 C and δ 15 N values among species groups observed here were similar to those in previous studies along the Brazilian coast, including for crustaceans (Bisi et al, 2012;Corbisier et al, 2006;Di Beneditto, et al, 2013), polychaetes, molluscs , cephalopods (Bisi et al,2012;Corbisier et al, 2006;Di Beneditto et al, 2012;Kehrig et al, 2013;, teleosts (S. rastrifer, P. brasileinsis and I. parvipinnis; Di Beneditto et al, 2012) and marine mammals (S. guianensis and P. blainvillei) (Baptista et al, 2016;Bisi et al, 2012;Di Beneditto & Monteiro, 2016;Kehrig et al, 2013). However, unlike some earlier studies in other Brazilian estuaries (e.g.…”
Section: Ratios Of δ 13 C and δ 15 N Values And Temporal Influencessupporting
confidence: 90%
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“…The ratios δ 13 C and δ 15 N values among species groups observed here were similar to those in previous studies along the Brazilian coast, including for crustaceans (Bisi et al, 2012;Corbisier et al, 2006;Di Beneditto, et al, 2013), polychaetes, molluscs , cephalopods (Bisi et al,2012;Corbisier et al, 2006;Di Beneditto et al, 2012;Kehrig et al, 2013;, teleosts (S. rastrifer, P. brasileinsis and I. parvipinnis; Di Beneditto et al, 2012) and marine mammals (S. guianensis and P. blainvillei) (Baptista et al, 2016;Bisi et al, 2012;Di Beneditto & Monteiro, 2016;Kehrig et al, 2013). However, unlike some earlier studies in other Brazilian estuaries (e.g.…”
Section: Ratios Of δ 13 C and δ 15 N Values And Temporal Influencessupporting
confidence: 90%
“…Kehrig et al, 2013;. This trend supports using SI analyses more broadly, and not only in applied ecological studies, but as a tool in contamination assessments (Di Beneditto et al, 2012;Kehrig et al, 2013Kehrig et al, , 2016Muto, Suares, et al, 2014).…”
Section: Baseline Values Of δ 13 C and δ 15 N And Ecological Relationmentioning
confidence: 82%
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“…For all samples, Hg determination was performed using a Flow Injection Mercury System (Perkin Elmer FIMS-400), and the coefficient of variation among replicas was lower than 10%. The dry weight basis concentration of Hg was converted to wet weight considering 75% of water lost during freeze-dry (Di Beneditto et al, 2013). Isotopic variances among the fish trophic guilds were verified using the F test.…”
Section: Methodsmentioning
confidence: 99%