2020
DOI: 10.1101/2020.06.18.125930
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Are we ready to track climate-driven shifts in marine species across international boundaries? - A global survey of scientific bottom trawl data

Abstract: Marine biota is redistributing at a rapid pace in response to climate change and shifting seascapes. While changes in fish populations and community structure threaten the sustainability of fisheries, our capacity to adapt by tracking and projecting marine species remains a challenge due to data discontinuities in biological observations, lack of data availability, and mismatch between data and real species distributions. To assess the extent of this challenge, we review the global status and accessibility of … Show more

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Cited by 5 publications
(6 citation statements)
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“…(www.FishS tats.org). Recent research confirms that there are bottom trawl data to support analysis of biomass-trends since 2001 and potentially earlier in many regions(Maureaud et al, 2020), and survey data are available for more stocks than have stock assessments. Effort reconstructions such as those utilized here may help create fishery-dependent abundance indices in some instances, and going forward data sets such as those compiled by Global Fishing Watch (https://globa lfish ingwa tch.org/) in combination with the reconstruction approaches ofRousseau et al (2019) might allow us to construct and use time series of fishing effort specific to particular areas, fleets and species complexes.…”
mentioning
confidence: 82%
See 1 more Smart Citation
“…(www.FishS tats.org). Recent research confirms that there are bottom trawl data to support analysis of biomass-trends since 2001 and potentially earlier in many regions(Maureaud et al, 2020), and survey data are available for more stocks than have stock assessments. Effort reconstructions such as those utilized here may help create fishery-dependent abundance indices in some instances, and going forward data sets such as those compiled by Global Fishing Watch (https://globa lfish ingwa tch.org/) in combination with the reconstruction approaches ofRousseau et al (2019) might allow us to construct and use time series of fishing effort specific to particular areas, fleets and species complexes.…”
mentioning
confidence: 82%
“…SAR is a measure of the intensity of trawl fishing within a particular area, which sraplus uses to construct an informative prior on the magnitude of fishing mortality. While fishery-independent surveys are becoming increasingly available (Maureaud et al, 2020), they are not yet sufficiently distributed or accessible to serve as a foundation for global assessments of unassessed fisheries. As an alternative, Rousseau et al (2019) present a global reconstruction of fishing effort for countries around the world.…”
Section: Data Sourcesmentioning
confidence: 99%
“…Finally, changes in policy can be sluggish (e.g., it took the PST about 10 years to agree on a conservation fund) compared to the timeframe over which species shift (Pinsky & Fogarty, 2012). This is specifically true as in many cases we lack standardized data to track shifts of species across international jurisdictions (Maureaud et al, 2021) as these might already be happening. Addressing shifting transboundary stocks is also challenged by an overall lack of knowledge of how many international agreements exist or what transboundary stocks are jointly managed.…”
Section: Discussionmentioning
confidence: 99%
“…or in situations up to mid-resolution meshes (~500 knots), which in practice can cover fairly complex spatial processes on large datasets (e.g., Maureaud et al 2021;English et al 2022).…”
Section: Notementioning
confidence: 99%