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Artículo

Contemporary distribution of non-native Chinook salmon (Oncorhynchus tshawytscha) in South America

Figueroa-Muñoz, Guillermo; Olivos, J. Andrés; Arismendi, Ivan; Fabiano, Graciela; Laporta, Martín; Silveira, Santiago; González Bergonzoni, Ivan; Pavez, Guido; Ernst, Billy; Ciancio Blanc, Javier ErnestoIcon ; Harrod, Chris; Di Prinzio, Cecilia YaninaIcon ; Chalde, TomásIcon ; Murphy, Christina A.; Gomez-Uchida, Daniel
Fecha de publicación: 09/2023
Editorial: Springer
Revista: Biological Invasions
ISSN: 1387-3547
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ecología

Resumen

Chinook salmon represent one of the most successful salmonid introductions in South America, and today multiple naturalized populations exist across Patagonia. Here, we present an updated regional distribution of Chinook salmon that includes new records of occurrences collected between 2006 and 2022. We found a significant range expansion in terms of occurrences for adult (18 new basins; 2,854,108 km2) and adult spawners or juvenile (12 new basins; 53,262 km2) salmon extending both to the north and south of the previously known colonized range in South America. This range expansion (38% of the area considering only occurrences indicating reproduction via adult spawners or juvenile salmon) included major basins draining to both the Pacific Ocean and Atlantic Ocean coasts of the continent. Adult Chinook salmon are currently reported from 48 large basins (33.62°–54.97° S) covering a total drainage area of 3,047,197 km2. The observed expansion we document here has been likely driven by the dispersal of straying adults from historically naturalized populations. Our findings provide evidence that the invasion of Chinook salmon in South America is ongoing and updated information relevant to the management of this invasive and socio-ecologically important fish.
Palabras clave: DISTRIBUTION EXPANSION , MANAGEMENT OF BIOLOGICAL INVASIONS , NON-NATIVE SALMON , PATAGONIA
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/225490
URL: https://link.springer.com/10.1007/s10530-023-03083-7
DOI: http://dx.doi.org/10.1007/s10530-023-03083-7
Colecciones
Articulos(CADIC)
Articulos de CENTRO AUSTRAL DE INVESTIGACIONES CIENTIFICAS
Articulos(CESIMAR)
Articulos de CENTRO PARA EL ESTUDIO DE SISTEMAS MARINOS
Articulos(CIEMEP)
Articulos de CENTRO DE INVESTIGACION ESQUEL DE MONTAÑA Y ESTEPA PATAGONICA
Citación
Figueroa-Muñoz, Guillermo; Olivos, J. Andrés; Arismendi, Ivan; Fabiano, Graciela; Laporta, Martín; et al.; Contemporary distribution of non-native Chinook salmon (Oncorhynchus tshawytscha) in South America; Springer; Biological Invasions; 25; 9; 9-2023; 2727-2735
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