Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California

Abstract The influence of climate on the timing of large-scale animal migrations is a major ecological and resource management concern. Anadromous fish migrations can have broad scale impacts on human communities and marine, aquatic and terrestrial food webs. However, isolating the effects of climat...

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Autores principales:	Pascale Goertler, Brian Mahardja, Ted Sommer
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7e2ac75ce63a40b7bc2d7253ede056da
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spelling	oai:doaj.org-article:7e2ac75ce63a40b7bc2d7253ede056da2021-12-02T15:22:58ZStriped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California10.1038/s41598-020-80517-52045-2322https://doaj.org/article/7e2ac75ce63a40b7bc2d7253ede056da2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80517-5https://doaj.org/toc/2045-2322Abstract The influence of climate on the timing of large-scale animal migrations is a major ecological and resource management concern. Anadromous fish migrations can have broad scale impacts on human communities and marine, aquatic and terrestrial food webs. However, isolating the effects of climate change on the timing of life stage transitions for anadromous fish species is challenging. Striped bass (Morone saxatilis) exhibit striking variation in migration patterns within their natural range, including migratory behaviors that change with latitude, and climate-induced temperature changes are predicted to drive future habitat and distribution changes. Here we explore the linkages between migration and multiple components of coastal and inland aquatic ecosystems impacted by climate change. By leveraging environmental and fisheries monitoring which began in 1969, we describe the upstream migration timing of non-native adult Striped bass influenced by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California. Striped bass migrated later in years when Delta outflow was greater and sea surface temperature was cooler. It is likely that temperature thresholds in the ocean during the springtime provide a cue for Striped bass to initiate migration, but sea surface temperature may also represent composite climatic trends influencing Striped bass. Further, the observed variation in migration timing of adult Striped bass has implications for predation risk on the seaward-migration of juvenile Chinook salmon.Pascale GoertlerBrian MahardjaTed SommerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pascale Goertler Brian Mahardja Ted Sommer Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
description	Abstract The influence of climate on the timing of large-scale animal migrations is a major ecological and resource management concern. Anadromous fish migrations can have broad scale impacts on human communities and marine, aquatic and terrestrial food webs. However, isolating the effects of climate change on the timing of life stage transitions for anadromous fish species is challenging. Striped bass (Morone saxatilis) exhibit striking variation in migration patterns within their natural range, including migratory behaviors that change with latitude, and climate-induced temperature changes are predicted to drive future habitat and distribution changes. Here we explore the linkages between migration and multiple components of coastal and inland aquatic ecosystems impacted by climate change. By leveraging environmental and fisheries monitoring which began in 1969, we describe the upstream migration timing of non-native adult Striped bass influenced by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California. Striped bass migrated later in years when Delta outflow was greater and sea surface temperature was cooler. It is likely that temperature thresholds in the ocean during the springtime provide a cue for Striped bass to initiate migration, but sea surface temperature may also represent composite climatic trends influencing Striped bass. Further, the observed variation in migration timing of adult Striped bass has implications for predation risk on the seaward-migration of juvenile Chinook salmon.
format	article
author	Pascale Goertler Brian Mahardja Ted Sommer
author_facet	Pascale Goertler Brian Mahardja Ted Sommer
author_sort	Pascale Goertler
title	Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
title_short	Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
title_full	Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
title_fullStr	Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
title_full_unstemmed	Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California
title_sort	striped bass (morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the san francisco bay-delta, california
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7e2ac75ce63a40b7bc2d7253ede056da
work_keys_str_mv	AT pascalegoertler stripedbassmoronesaxatilismigrationtimingdrivenbyestuaryoutflowandseasurfacetemperatureinthesanfranciscobaydeltacalifornia AT brianmahardja stripedbassmoronesaxatilismigrationtimingdrivenbyestuaryoutflowandseasurfacetemperatureinthesanfranciscobaydeltacalifornia AT tedsommer stripedbassmoronesaxatilismigrationtimingdrivenbyestuaryoutflowandseasurfacetemperatureinthesanfranciscobaydeltacalifornia
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Striped bass (Morone saxatilis) migration timing driven by estuary outflow and sea surface temperature in the San Francisco Bay-Delta, California

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