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Effects of acid washing on stable isotope ratios of C and N in penaeid shrimp and seagrass: Implications for food‐web studies using multiple stable isotopes
Open accessAbstract
We investigated the effects of acid washing on the carbon and nitrogen composition and stable isotope ratios of C and N in shrimp (Metapenaeus spp.) and seagrass (Enhalus acoroides). Acid washing did not affect the mean δ13 C ratios for juvenile Metapenaeus moyebi and resulted in only an ecologically insignificant change (0.3‰) in mean δ13 C ratios for larger Metapenaeus bennettae. In contrast, acid washing increased the mean δ15 N signatures of shrimp tissue (∼ 3‰) and decreased that of seagrass (∼1.8‰) to a degree that may confound the interpretation of food webs. The increase in %C and %N in both shrimp and seagrass after acid washing suggests that the changes in isotope ratios are due to loss of molecules comparatively low in C and N. Treating samples by acid washing also resulted in an increase in the variation among individuals for both δ15 N and δ13 C, which would lead to a loss of statistical power for testing differences between species, sites, or seasons.
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Citations
Cites
Food web structure on Georges Bank from stable C, N, and S isotopic compositions
Fry, B. (1988) · Limnology and Oceanography · doi:10.4319/lo.1988.33.5.1182 · Cited by 820
Cited by
Variation in trophic shift for stable isotope ratios of carbon, nitrogen, and sulfur
McCutchan, J. H., Lewis, W. M., Kendall, C., & McGrath, C. C. (2003) · Oikos · doi:10.1034/j.1600-0706.2003.12098.x · Cited by 2,723
Stable isotope food web studies: a case for standardized sample treatment
Jacob, U., Mintenbeck, K., Brey, T., Knust, R., & Beyer, K. (2005) · Marine Ecology Progress Series · doi:10.3354/meps287251 · Cited by 351
Contributions of stable-isotope data to elucidating food webs of Mediterranean rocky littoral fishes
Pinnegar, J. K., & Polunin, N. V. C. (2000) · Oecologia · doi:10.1007/s004420050046 · Cited by 320
Cremonese, L., Shields-Zhou, G., Struck, U., Ling, H.-F., Och, L., Chen, X., & Li, D. (2013) · Precambrian Research · doi:10.1016/j.precamres.2011.12.004 · Cited by 141
Metadata
- Authors
- Bunn, S. E., Loneragan, N. R., & Kempster, M. A.
- Venue
- Limnology and Oceanography
- Publisher
- Wiley
- Published
- 1995-05
- Volume
- 40
- Issue
- 3
- Pages
- 622-625
- ISSN
- 0024-3590 (ISSN-L)
- 1939-5590
- OpenAlex
- W2167494648
- Cited by
- 358
- References
- 1
- FWCI
- 2.85
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Bunn, S. E., Loneragan, N. R., & Kempster, M. A. (1995). Effects of acid washing on stable isotope ratios of C and N in penaeid shrimp and seagrass: Implications for food‐web studies using multiple stable isotopes. Limnology and Oceanography. https://doi.org/10.4319/lo.1995.40.3.0622
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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