Trophic-level interpretation based on δ15N values: implications of tissue-specific fractionation and amino acid composition

By K. Schmidt, J. McClelland, E. Mente, J. Montoya, A. Atkinson, M. Voss. 2004

157 citations recorded by the source corpus.

Subfields: Ecology, Global and Planetary Change

View Paper: https://www.semanticscholar.org/paper/8314c238ca0eb0b5fd26129ba075dd805dbc4871

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Ecology

1. B. Popp
2. A. Atkinson
3. A. Lorrain
4. Frederic Menard
5. N. Ogawa
6. N. Ohkouchi
7. C. Hannides
8. Y. Chikaraishi

In Global and Planetary Change

1. B. Popp
2. A. Atkinson
3. A. Lorrain
4. K. Schmidt
5. Frederic Menard
6. D. Pond
7. C. Hannides
8. N. Ogawa

Citations in the corpus

• 15N/14N ratios of amino acids as a tool for studying terrestrial food webs: a case study of terrestrial insects (bees, wasps, and hornets) (2011, background): “Consequently, the CSIA of amino acids has been used to elucidate the trophic position of organisms in recent ecological studies of shrimp in the sub-Antarctic archipelago (Pakhomov et al. 2004), krill in the Antarctic ( Schmidt et al. 2004, 2006 ), plankton in the central Pacific (McCarthy et al. 20”
• Isotopic ecology ten years after a call for more laboratory experiments (2009, background): “In an informative study, Schmidt et al. (2004) compared the d15N of reproductive males and females of Antarctic krill (Euphausia superba).”
• Ten years of experimental animal isotopic ecology (2009, unknown): “Journal compilation © 2009 British Ecological Society, Functional Ecology, 23, 17–26 Schmidt et al.’s (2004) study holds two cautionary lessons. (i) If we apply eqn 8 to amino acids of the digestive gland, we infer that males have a much higher trophic level than females. If we apply it to data from”
• Nursery habitat use and foraging ecology of the brown stingray Dasyatis lata determined from stomach contents, bulk and amino acid stable isotopes (2011, unknown): “Trophic positions have been estimated with this method for a variety of consumers across a range of TPs (Pakhomov et al. 2004, Schmidt et al. 2004, Popp et al. 2007, Chikaraishi et al. 2009, Hannides et al. 2009, Lorrain et al. 2009), yet TP has only been estimated for a single elasmobranch…”
• Natural growth rates in Antarctic krill (Euphausia superba): II. Predictive models based on food, temperature, body length, sex, and maturity stage (2006, background): “However, it remained necessary to make sex- and maturity stage-specific regressions because of differences in the body compositions of krill (Schmidt et al. 2004).”
• Insight into the Trophic Ecology of Yellowfin Tuna, Thunnus albacares, from Compound‐Specific Nitrogen Isotope Analysis of Proteinaceous Amino Acids (2007, background): “Although glycine is not typically considered an EAA, results suggest that its carbon skeleton is derived from an EAA without alternation of the (15)N content of the amino nitrogen in the molecule, or that in the marine organisms studied, glycine is derived from dietary sources (McClelland and Montoy”
• Nitrogen isotope fractionation in amino acids from harbor seals: implications for compound-specific trophic position calculations (2013, unknown): “These values have now been widely applied to calculate TP in diverse applications, in - cluding planktonic ecosystems (McClelland et al. 2003, Schmidt et al. 2004, McCarthy et al. 2007, Hannides et al. 2009), wild top consumers (e.g. tuna, penguins; Popp et al. 2007, Lorrain et al. 2009), and…”
• Nitrogen and carbon isotope values of individual amino acids: a tool to study foraging ecology of penguins in the Southern Ocean (2009, background): “The trophic enrichment factor has been determined directly and indirectly to be ~7‰ for samples of fish and crustaceans muscle tissue and whole organisms (McClelland and Montoya 2002; Schmidt et al. 2004; Popp et al. 2007).”
• Variable uptake and elimination of stable nitrogen isotopes between tissues in fish (2006, background): “Multiple studies have shown that δ15N values of a given tissue are dependent on its amino acid composition and that of the previously consumed diet because isotopic ratios often vary by amino acid (Gaebler et al. 1966; Gannes et al. 1998; Schmidt et al. 2004).”
• Determination of aquatic food‐web structure based on compound‐specific nitrogen isotopic composition of amino acids (2009, background): “Ice algae (a mixture of Chlorella sp., Raphidonema nivale, and Chloromonas sp.) were collected from Langhovde, Antarctica (69°53′S, 39°48′E) during the activities of the summer party of the 47th Japan Antarctica Research Expedition from December 2005 to February 2006.”
• Protozoans as a food source for Antarctic krill, Euphausia superba: Complementary insights from stomach content, fatty acids, and stable isotopes (2006, background): “However, stable nitrogen isotope ratios also point to truly omnivorous feeding in krill (Rau et al. 1991; Schmidt et al. 2004), and laboratory experiments underline their ability to select for ciliates and copepods when offered in mixtures with phytoplankton (Price et al. 1988; Atkinson and Snÿder…”