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Biological responses to disturbance from simulated deep-sea polymetallic nodule mining ArchiMer
Jones, Daniel O. B.; Kaiser, Stefanie; Sweetman, Andrew K.; Smith, Craig R.; Menot, Lenaick; Vink, Annemiek; Trueblood, Dwight; Greinert, Jens; Billett, David S. M.; Arbizu, Pedro Martinez; Radziejewska, Teresa; Singh, Ravail; Ingole, Baban; Stratmann, Tanja; Simon-lledo, Erik; Durden, Jennifer M.; Clark, Malcolm R..
Commercial-scale mining for polymetallic nodules could have a major impact on the deep-sea environment, but the effects of these mining activities on deep-sea ecosystems are very poorly known. The first commercial test mining for polymetallic nodules was carried out in 1970. Since then a number of small-scale commercial test mining or scientific disturbance studies have been carried out. Here we evaluate changes in faunal densities and diversity of benthic communities measured in response to these 11 simulated or test nodule mining disturbances using meta-analysis techniques. We find that impacts are often severe immediately after mining, with major negative changes in density and diversity of most groups occurring. However, in some cases, the mobile fauna...
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Ano: 2017 URL: http://archimer.ifremer.fr/doc/00371/48212/48330.pdf
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Resilience of benthic deep-sea fauna to mining activities ArchiMer
Gollner, Sabine; Kaiser, Stefanie; Menzel, Lena; Jones, Daniel O. B.; Brown, Alastair; Mestre, Nelia C.; Van Oevelen, Dick; Menot, Lenaick; Colaco, Ana; Canals, Miguel; Cuvelier, Daphne; Durden, Jennifer M.; Gebruk, Andrey; Egho, Great A.; Haeckel, Matthias; Marcon, Yann; Mevenkamp, Lisa; Morato, Telmo; Pham, Christopher K.; Purser, Autun; Sanchez-vidal, Anna; Vanreusel, Ann; Vink, Annemiek; Arbizu, Pedro Martinez.
With increasing demand for mineral resources, extraction of polymetallic sulphides at hydrothermal vents, cobalt-rich ferromanganese crusts at seamounts, and polymetallic nodules on abyssal plains may be imminent. Here, we shortly introduce ecosystem characteristics of mining areas, report on recent mining developments, and identify potential stress and disturbances created by mining. We analyze species’ potential resistance to future mining and perform meta-analyses on population density and diversity recovery after disturbances most similar to mining: volcanic eruptions at vents, fisheries on seamounts, and experiments that mimic nodule mining on abyssal plains. We report wide variation in recovery rates among taxa, size, and mobility of fauna. While...
Tipo: Text Palavras-chave: Deep ocean; Disturbance; Minerals; Mining; Abyssal plains; Hydrothermal vents; Seamounts; Resilience; Recovery; Benthos.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00382/49291/49690.pdf
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Unexpected high abyssal ophiuroid diversity in polymetallic nodule fields of the Northeast Pacific Ocean, and implications for conservation ArchiMer
Christodoulou, Magdalini; O'Hara, Timothy; Hugall, Andrew; Khodami, Sahar; Rodrigues, Clara F.; Hilario, Ana; Vink, Annemiek; Martinez Arbizu, Pedro.
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00595/70720/68952.pdf
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