Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.

The relentless role of invasive species in the extinction of native biota requires predictions of ecosystem vulnerability to inform proactive management strategies. The worldwide invasion and range expansion of predatory northern pike (Esox lucius) has been linked to the decline of native fishes and...

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Autores principales:	Chase S Jalbert, Jeffrey A Falke, J Andrés López, Kristine J Dunker, Adam J Sepulveda, Peter A H Westley
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/df4ebe2dc34d4cb68a393424041691a0
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spelling	oai:doaj.org-article:df4ebe2dc34d4cb68a393424041691a02021-12-02T20:09:41ZVulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.1932-620310.1371/journal.pone.0254097https://doaj.org/article/df4ebe2dc34d4cb68a393424041691a02021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254097https://doaj.org/toc/1932-6203The relentless role of invasive species in the extinction of native biota requires predictions of ecosystem vulnerability to inform proactive management strategies. The worldwide invasion and range expansion of predatory northern pike (Esox lucius) has been linked to the decline of native fishes and tools are needed to predict the vulnerability of habitats to invasion over broad geographic scales. To address this need, we coupled an intrinsic potential habitat modelling approach with a Bayesian network to evaluate the vulnerability of five culturally and economically vital species of Pacific salmon (Oncorhynchus spp.) to invasion by northern pike. This study was conducted along 22,875 stream km in the Southcentral region of Alaska, USA. Pink salmon (O. gorbuscha) were the most vulnerable species, with 15.2% (2,458 km) of their calculated extent identified as "highly" vulnerable, followed closely by chum salmon (O. keta, 14.8%; 2,557 km) and coho salmon (O. kisutch, 14.7%; 2,536 km). Moreover, all five Pacific salmon species were highly vulnerable in 1,001 stream km of shared habitat. This simple to implement, adaptable, and cost-effective framework will allow prioritizing habitats for early detection and monitoring of invading northern pike.Chase S JalbertJeffrey A FalkeJ Andrés LópezKristine J DunkerAdam J SepulvedaPeter A H WestleyPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254097 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chase S Jalbert Jeffrey A Falke J Andrés López Kristine J Dunker Adam J Sepulveda Peter A H Westley Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
description	The relentless role of invasive species in the extinction of native biota requires predictions of ecosystem vulnerability to inform proactive management strategies. The worldwide invasion and range expansion of predatory northern pike (Esox lucius) has been linked to the decline of native fishes and tools are needed to predict the vulnerability of habitats to invasion over broad geographic scales. To address this need, we coupled an intrinsic potential habitat modelling approach with a Bayesian network to evaluate the vulnerability of five culturally and economically vital species of Pacific salmon (Oncorhynchus spp.) to invasion by northern pike. This study was conducted along 22,875 stream km in the Southcentral region of Alaska, USA. Pink salmon (O. gorbuscha) were the most vulnerable species, with 15.2% (2,458 km) of their calculated extent identified as "highly" vulnerable, followed closely by chum salmon (O. keta, 14.8%; 2,557 km) and coho salmon (O. kisutch, 14.7%; 2,536 km). Moreover, all five Pacific salmon species were highly vulnerable in 1,001 stream km of shared habitat. This simple to implement, adaptable, and cost-effective framework will allow prioritizing habitats for early detection and monitoring of invading northern pike.
format	article
author	Chase S Jalbert Jeffrey A Falke J Andrés López Kristine J Dunker Adam J Sepulveda Peter A H Westley
author_facet	Chase S Jalbert Jeffrey A Falke J Andrés López Kristine J Dunker Adam J Sepulveda Peter A H Westley
author_sort	Chase S Jalbert
title	Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
title_short	Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
title_full	Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
title_fullStr	Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
title_full_unstemmed	Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.
title_sort	vulnerability of pacific salmon to invasion of northern pike (esox lucius) in southcentral alaska.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/df4ebe2dc34d4cb68a393424041691a0
work_keys_str_mv	AT chasesjalbert vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska AT jeffreyafalke vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska AT jandreslopez vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska AT kristinejdunker vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska AT adamjsepulveda vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska AT peterahwestley vulnerabilityofpacificsalmontoinvasionofnorthernpikeesoxluciusinsouthcentralalaska
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Vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in Southcentral Alaska.

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