2023
DOI: 10.1111/ddi.13800
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Divergent responses of highly migratory species to climate change in the California Current

Nerea Lezama‐Ochoa,
Stephanie Brodie,
Heather Welch
et al.

Abstract: AimMarine biodiversity faces unprecedented threats from anthropogenic climate change. Ecosystem responses to climate change have exhibited substantial variability in the direction and magnitude of redistribution, posing challenges for developing effective climate‐adaptive marine management strategies.LocationThe California Current Ecosystem (CCE), USA.MethodsWe project suitable habitat for 10 highly migratory species in the California Current System using an ensemble of three high‐resolution (~10 km) downscale… Show more

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Cited by 4 publications
(4 citation statements)
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References 72 publications
(170 reference statements)
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“…Vessels may reallocate fishing effort into alternative management areas, and the higher concentrations of vessels may increase fishing pressure on targeted species and potentially generate greater competition among fishers (Ojea et al, 2020). Extreme events and climate-driven ecosystem change Lezama-Ochoa et al, 2023) in both of these regions have also exacerbated human-wildlife conflicts, such as greater interaction risks with protected or vulnerable species (Davies & Brillant, 2019;Samhouri et al, 2021). For example, the delayed opening of the Dungeness Crab fishery in California coincided with the onshore compression of productive whale foraging habitat, intensifying the spatial overlap of whales and crab fishing gear, and resulted in an alarming rise in blue and humpback whale entanglements (Santora et al, 2020).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Vessels may reallocate fishing effort into alternative management areas, and the higher concentrations of vessels may increase fishing pressure on targeted species and potentially generate greater competition among fishers (Ojea et al, 2020). Extreme events and climate-driven ecosystem change Lezama-Ochoa et al, 2023) in both of these regions have also exacerbated human-wildlife conflicts, such as greater interaction risks with protected or vulnerable species (Davies & Brillant, 2019;Samhouri et al, 2021). For example, the delayed opening of the Dungeness Crab fishery in California coincided with the onshore compression of productive whale foraging habitat, intensifying the spatial overlap of whales and crab fishing gear, and resulted in an alarming rise in blue and humpback whale entanglements (Santora et al, 2020).…”
Section: Discussionmentioning
confidence: 99%
“…Identified core fishing grounds were a subset of suitable habitat and this classification was used to ensure that regions with a low probability of fishing effort occurrence did not bias results and that we are only capturing fishing grounds vessels will likely act on (Hazen et al, 2013;White et al, 2019). We explored the sensitivity of multiple threshold values on our fleet response metrics (Table S2, Figures S4 and S5), which resulted in defining core fishing grounds as the average top 75th percentile of suitability values across mapped spatial predictions for each fleet (Hazen et al, 2013(Hazen et al, , 2018Lezama-Ochoa et al, 2023;White et al, 2019)…”
Section: Fleet Responses To Mhwsmentioning
confidence: 99%
“…where j is the year considered, a Hs;i is the area of the spatial cell i in km 2 calculated using the "area" function of the "raster" R package, Hs i is the habitat suitability in the cell, and N is the total number of cells. This weighted calculation limits threshold selection bias and is a more conservative approach, given the different range of habitat suitability between species (Lezama-Ochoa et al, 2023;Rubenstein et al, 2023).…”
Section: Shift In Habitat Suitabilitymentioning
confidence: 99%
“…Population-level changes in response to climate change have also been observed in recent decades, such as changes in the range and/or migratory timing of the Tiger Shark (Hammerschlag et al, 2022), or increased use of breeding habitat by the Bull Shark (Bangley et al, 2018) and White Shark (Tanaka et al, 2021). Future shifts are also expected for the 21st century, with both gains and losses of suitable habitats depending on the species (e.g., Grieve, et al, 2020, andrequiem andmackerel sharks, Birkmanis et al, 2020;Diaz-Carballido et al, 2022;Lezama-Ochoa et al, 2023).…”
mentioning
confidence: 99%