Global status and conservation potential of reef sharks.

Nature
M Aaron MacNeilJoshua E Cinner

Abstract

Decades of overexploitation have devastated shark populations, leaving considerable doubt as to their ecological status1,2. Yet much of what is known about sharks has been inferred from catch records in industrial fisheries, whereas far less information is available about sharks that live in coastal habitats3. Here we address this knowledge gap using data from more than 15,000 standardized baited remote underwater video stations that were deployed on 371 reefs in 58 nations to estimate the conservation status of reef sharks globally. Our results reveal the profound impact that fishing has had on reef shark populations: we observed no sharks on almost 20% of the surveyed reefs. Reef sharks were almost completely absent from reefs in several nations, and shark depletion was strongly related to socio-economic conditions such as the size and proximity of the nearest market, poor governance and the density of the human population. However, opportunities for the conservation of reef sharks remain: shark sanctuaries, closed areas, catch limits and an absence of gillnets and longlines were associated with a substantially higher relative abundance of reef sharks. These results reveal several policy pathways for the restoration and manag...Continue Reading

References

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Apr 10, 2015·Nature·M Aaron MacNeilTim R McClanahan
Feb 18, 2016·Nature Communications·Jamison M GoveGareth J Williams
Jun 17, 2016·Nature·Joshua E CinnerDavid Mouillot
Jun 20, 2018·Proceedings of the National Academy of Sciences of the United States of America·Joshua E CinnerDavid Mouillot
Dec 20, 2018·Communications Biology·George RoffPeter J Mumby
Jan 12, 2020·Communications Biology·George RoffPeter J Mumby

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Citations

Jan 23, 2021·Science·David W SimsNuno Queiroz
Feb 5, 2021·Conservation Biology : the Journal of the Society for Conservation Biology·Jessica R QuinlanDemian D Chapman
May 1, 2021·Science·Demian D ChapmanMichael R Heithaus
May 21, 2021·Global Change Biology·Jordan S GoetzeEuan S Harvey
Jul 11, 2021·Scientific Reports·Lucas BonninLaurent Vigliola
Jul 8, 2021·Proceedings. Biological Sciences·Karissa O LearAdrian C Gleiss
Jul 28, 2021·Conservation Biology : the Journal of the Society for Conservation Biology·Nestor E BoschTim J Langlois
Jul 8, 2021·Proceedings of the National Academy of Sciences of the United States of America·Erin M DillonAaron O'Dea
Jun 22, 2021·Conservation Biology : the Journal of the Society for Conservation Biology·Laura MannocciDavid Mouillot
Aug 27, 2021·Mitochondrial DNA. Part B, Resources·Austin J GallagherVijender Singh
Aug 14, 2021·Journal of Fish Biology·Martha Patricia Rincón-DíazDavid E Galván
Oct 5, 2021·Conservation Biology : the Journal of the Society for Conservation Biology·Sophie M E MarshMonika Böhm

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