4.4 Article

Using Hard-Part Microchemistry to Advance Conservation and Management of North American Freshwater Fishes

Journal

FISHERIES
Volume 39, Issue 10, Pages 451-465

Publisher

WILEY
DOI: 10.1080/03632415.2014.937858

Keywords

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Categories

Funding

  1. Federal Aid in Sportfish Restoration Project, Study SSQP [F-95-P]
  2. U.S. Fish and Wildlife Service-Wisconsin State Wildlife Grant [SWG11-CAT2-002, SWG11-CAT1-005]
  3. Wisconsin Department of Natural Resources

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Hard-part microchemistry offers a powerful tool for inferring the environmental history and stock assignment of individual fishes. However, despite the applicability of this technique to a wide range of fisheries conservation and management issues, its use has been restricted to only a small fraction of North American species and inland waters. In this article, we provide freshwater fisheries professionals with an accessible review of methods and applications of hard-part microchemistry techniques. Our objectives are to (1) summarize the science of hard-part microchemistry; (2) provide guidelines for designing hard-part microchemistry studies, including sample sizes, laboratory analyses, statistical techniques, and inferential limitations; and (3) identify conservation and management applications where these techniques may be particularly useful. We argue that strategic use of hard-part microchemistry methods (specifically when they are used in concert with other indirect tracer techniques such as stable isotope chemistry and genetics) can advance fish management and conservation across all stages of fish life history. RESUMENla microquimica de partes duras representa una herramienta poderosa para inferir la historia ambiental y la asignacion de stocks en peces. No obstante, a pesar de la aplicabilidad de esta tecnica a un amplio rango de aspectos de conservacion y manejo de pesquerias, su utilizacion se ha restringido a solo una pequena fraccion de especies de aguas continentales en Norte America. En este trabajo, se presenta una revision accesible de los metodos y aplicaciones de tecnicas de microquimica de partes duras, dirigida a los profesionales en pesquerias de aguas interiores. Los objetivos son: (1) resumir la ciencia de la microquimica de partes duras, (2) proporcionar guias para el diseno de estudios de microquimica de partes duras, incluyendo tamanos de muestra, analisis de laboratorio, tecnicas estadisticas y limitaciones de orden inferencial, y (3) identificar aplicaciones para la conservacion y manejo en las cuales estas tecnicas puedan ser particularmente utiles. Se argumenta que la utilizacion estrategica de metodos de microquimica de partes duras (especificamente cuando estos son usados en conjunto con otras tecnicas de rastreo indirecto como quimica de isotopos estables y genetica) puede abonar a la conservacion y manejo de los peces durante todos los estadios de vida.

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