Application of stable isotopes as indicators of energy fluxes in coastal environments of Uruguay
DOI:
https://doi.org/10.26461/13.01Keywords:
Carbon, nitrogen, C/N ratio, organic matter sources, estuariesAbstract
Stable carbon and nitrogen isotope composition of plants, sediments and animals has been used as a common tool employed in different studies including ecology, and paleoenvironmental reconstruction. Because of the different isotopic values among primary producers, this is a powerful tool to trace pathways of exchange of organic matter between ecosystems. We describe the basic principles, including nomenclature, of the application the isotopic approach in coastal environmental studies. Furthermore, we present three recent studies with the isotopic approach for: 1) assess the distribution of deposited organic matter within the Río de la Plata estuary, 2) determine the trophic importance of a diatom from a surf zone in sandy beach food webs, and 3) assess the influence of the anthropogenic organic matter within the Montevideo Bay. The isotopic composition of organic matter sources allowed the study of different aspect of ecosystem function including the characterization of the organic matter pathways. This review highlighted the significant utility of this complementary tool for the study of ecological process and could be useful in the identification of changes in coastal environments.
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Franco-Trecu, V., Aurioles-Gamboa, D. y Inchausti, P., 2014. Individual trophic specialisation and niche segregation explain the contrasting population trends of two sympatric otariids. En: Marine Biology, 161, pp.609-618.
Fry, B., Baltz, D.M., Benfield, M., Fleeger, J., Gace, A., Haas, H. y Quiñones-Rivera, Z., 2003. Stable isotope indicators of movement and residency for brown shrimp (Farfantepenaeus aztecus) in coastal Louisiana marshscapes. En: Estuaries, 26, pp.82-97.
Gannes, L.Z., Martínez del Rio, C. y Koch, P., 1998. Natural abundance variations in stable isotopes and their potential uses in animal physiological ecology. En: Comparative Biochemistry and Physiology A – Molecular and Integrative Physiology, 119, pp.725-737.
García-Rodríguez, F., Brugnoli, E., Muniz, P., Venturini, N., Burone, L., Hutton, M. Rodríguez, M., Pita, A., Kandratavicius, N., Perez, L. y Verocai, J., 2014. Warm-phase ENSO events modulate the fluvial freshwater input and the trophic state of sediments in a large South American estuary. En: Marine and Freshwater Research, 65, pp.1-11.
Gaston, T.F. y Suthers, I.M., 2004. Spatial variation in d13C and d15N of liver, muscle and bone in a rocky reef planktivorous fish: the relative contribution of sewage. En: Journal of Experimental Marine Biology and Ecology, 304, pp.17-33.
Giberto, D. A., Bermec, C. A., Acha, E. M. y Mianzan, H., 2004. Large- scale spatial patterns of benthic assemblages in theSWAtlantic: the Rio de la Plata Estuary and adjacent shelf waters. En: Estuarine, Coastal and Shelf Science, 61, pp.1-13.
González Bergonzoni, I., Vidal, N., Wang, B., Ning, D., Liu, Z., Jeppesen, E. y Meerhoff, M., 2015. General validation of formalin-preserved fish samples in food web studies using stable isotopes. En: Methods in Ecology and Evolution, 6, pp.307-314.
Goñi, M.A., Teixeira, M.J. y Perkey, D.W., 2003. Sources and distribution of organic matter in a river-dominated estuary (Winyah Bay, SC, USA). En: Estuarine, Coastal and Shelf Science, 57, pp.1023-1048.
Gu, B., Schelske, C.L. y Brenner, M., 1996. Relationship between sediment and plankton isotope ratios (δ13C and δ15N) and primary productivity in Florida lakes. En: Canadian Journal of Fisheries and Aquatic Sciences, 53, pp.875-883.
Hoefs, J., 2009. Stable isotope geochemistry. 6ta. ed. Berlín: Springer-Verlag.
Jaime, P. y Menéndez, A.N., 2002Informe análisis del régimen hidrológico de los ríos Paraná y Uruguay Proyecto protección ambiental del Río de la Plata y su frente marítimo: prevención y control de la contaminación y restauración de hábitats PNUD/GEF, RLA/99/G31. Buenos Aires: Instituto Nacional del Agua.
Kaczmarska, I., Mather, L., Luddington, I.A., Muise, F. y Ehrman, J.M., 2014. Cryptic diversity in a cosmopolitan diatom known as Asterionellopsis glacialis (Fragilariaceae): implications for ecology, biogeography and taxonomy. En: American Journal of Botany, 101, pp.267-286.
Kendall, C., 1998. Tracing nitrogen sources and cycling in catchments. En: Kendall, C., McDonnell, J.J., eds., 1998. Isotope tracers in catchment hydrology. Amsterdam: Elsevier. pp.519-576.
Lamb, A.L., Wilson, G.P. y Leng, M.J., 2006. A review of coastal palaeoclimate and relative sea-level reconstructions using δ13C and C/N ratios in organic material. En: Earth Science Reviews, 75, pp.29-57.
Layman, C.A, Arrington, D.A., Montaña C.G. y Post, D.M., 2007. Can stable isotope ratios provide for community-wide measures of trophic structure? En: Ecology, 88, pp.42-48.
López Laborde, J.L. y Nagy, G.J., 1999. Hydrography and sediment transport characteristics of the Río de la Plata: a review. En: Perillo, M. E., Piccolo, M. C. y Pino-Quivira, M., eds., 1999. Estuaries of South America, their geomorphology and dynamics. Berlín: Springer. pp.133-157.
Martínez del Río, C., Wolf, N., Carleton, S.A., y Gannes, L.Z., 2009. Isotopic ecology ten years after a call for more laboratory experiments. En: Biological Reviews, 84, pp.91-111.
McPhaden, M. J., Zebiak, S.E. y Glantz, M.H., 2006. ENSO as an integrating concept in Earth science. En: Science, 314, pp.1740-1745.
McClelland, J.W., Valiela, I. y Michener, R.H., 1997. Nitrogen-stable isotope signatures in estuarine food webs: a record of increasing urbanization in coastal watersheds. En: Limnology and Oceanography, 42, pp.930-937.
McCutchan, J.H., Lewis, W.M., Kendall, C. y McGrath, C.C., 2003. Variation in trophic shift for stable isotope ratios of carbon, nitrogen, and sulfur. En: Oikos, 102, pp.378- 390.
Meyers, P.A., 1994. Preservation of elemental and isotopic source identification of sedimentary organic matter. En: Chemical Geology, 114, pp.289-302.
Michener, R.H., y Schell, D.M., 1994. Stable isotope ratios as tracers in marine aquatic food webs. En: Michener, R.H., Lajtha, K., eds., 1994. Stable isotopes in ecology and environmental science. 2da ed. Malden: Blackwell. pp.138-157.
Muniz, P., Venturini, N., Hutton, M., Kandratavicius, N., Pita, A., Brugnoli, E., Burone, L. y García-Rodríguez, F., 2011. Ecosystem health of Montevideo coastal zone: A multi approach using some different benthic indicators to improve a ten-year-ago assessment. En: Journal of Sea Research, 65, pp.38-50.
Nagy, G. J., Gómez-Erache, M., López, C. H. y Perdomo, A. C., 2002. Distribution patterns of nutrients and symptoms of eutrophication in the Rio de la Plata estuary. En: Hydrobiologia, 475/476, pp.125-139.
Newsome, S.D., Martínez del Rio, C., Bearhop, S. y Phillips, D.L., 2007. A niche for isotopic ecology. En: Frontiers in Ecology and the Environment, 5, pp.429-36.
Nier, A.O., 1947. A mass spectrometer for isotopes and gas analysis. En: Review of Scientific Instruments, 18, pp.398-411.
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2017-06-19
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Bergamino, L., Tudurí, A., Bueno, C., Brugnoli, E., Valenzuela, L., Martínez, A., Perez Becoña, L., Scarabino, F., & García-Rodríguez, F. (2017). Application of stable isotopes as indicators of energy fluxes in coastal environments of Uruguay. INNOTEC, (13 ene-jun), 9–18. https://doi.org/10.26461/13.01
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