2010
DOI: 10.1111/j.1439-0485.2009.00335.x
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Diversity of bathyal macrofauna on the northeastern Pacific margin: the influence of methane seeps and oxygen minimum zones

Abstract: The upper continental slope in the northeastern Pacific Ocean is intercepted by a deep oxygen minimum zone (OMZ; 650-1100 m) and punctuated by conduits of methane seepage. We examined the effects of these two dominant sources of heterogeneity on the density, composition and diversity of heterotrophic macrofauna off Hydrate Ridge, Oregon (OR; 800 m water depth), where the seeps co-occur within an OMZ, and off the Eel River, Northern California (CA; 500 m), where seeps are overlain by better oxygenated waters. W… Show more

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Cited by 74 publications
(112 citation statements)
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References 63 publications
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“…Deep -water chemosynthetic habitats have also been shown to have a high degree of species endemicity in each habitat: 70% in vents (Tunnicliffe et al 1998 ;Desbruy è res et al 2006a ), about 40% in seeps both for mega epifauna (Bergquist et al 2005 ;Cordes et al 2006 ) and macro infauna (Levin et al 2009a ). In OMZs, the percentage of endemism is relatively low (Levin et al 2009a ), but has yet to be quantifi ed.…”
Section: Adaptations To An " Extreme " Environmentmentioning
confidence: 99%
See 1 more Smart Citation
“…Deep -water chemosynthetic habitats have also been shown to have a high degree of species endemicity in each habitat: 70% in vents (Tunnicliffe et al 1998 ;Desbruy è res et al 2006a ), about 40% in seeps both for mega epifauna (Bergquist et al 2005 ;Cordes et al 2006 ) and macro infauna (Levin et al 2009a ). In OMZs, the percentage of endemism is relatively low (Levin et al 2009a ), but has yet to be quantifi ed.…”
Section: Adaptations To An " Extreme " Environmentmentioning
confidence: 99%
“…In OMZs, the percentage of endemism is relatively low (Levin et al 2009a ), but has yet to be quantifi ed. Some of the most conspicuous of the endemic species of reducing environments have developed unusual physiological adaptations for the extreme environments in which they live.…”
Section: Adaptations To An " Extreme " Environmentmentioning
confidence: 99%
“…The study of sediment biota at vents and seeps in particular, and to a lesser extent kelp, wood and whale falls, developed more slowly [13], [14], [15], [16], [17], [18], [19], [20]. Although scientists working in multiple reducing systems have studied similarities between symbiont-bearing and megafaunal communities (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Many others are much better represented or are more speciose in the deep sea than in shallow waters such as the Tanaidomorpha, Asellota, Pycnogonida, Galatheoidea, Priapulida, Sipuncula, Echiura and Aplacophora. The tanaid suborder Tanaidomorpha includes a high fraction of the fauna in disturbed settings such as the HEBBLE site with benthic storms and in hydrothermal or seep sediments (Levin et al, 2010b). The isopod suborder Asellota is one group that have radiated to form an amazing array of unorthodox body morphologies in the deep sea (Fig.…”
Section: A Distinctive Benthic Deep-sea Faunamentioning
confidence: 99%