期刊
MARINE ENVIRONMENTAL RESEARCH
卷 161, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2020.105086
关键词
Resilience; Recovery; Benthic ecology; Deep ocean; Seamounts; Fisheries management; Disturbance; Anthropogenic impacts
资金
- National Science Foundation in the U.S.A [OCE-1334652, OCE-1334675]
- Foundation for Research, Science and Technology Ecology of Seamounts programme [CO1X0028, CO1X0224, CO1X0508]
- Ministry for Business, Innovation and Employment Vulnerable Deep-Sea Communities project [CO1X0906]
- NIWA Coasts and Oceans Centre
- Ministry of Fisheries [ZBD2000-04, ZBD2008-50]
- Ministry for Primary Industries [BEN2014-02]
- Census of Marine Life programme CenSeam in New Zealand
- Victoria University of Wellington, New Zealand
- CSIRO Wealth from Oceans Flagship
- Department of Water, Environment, Heritage and the Arts in Australia
Despite bottom trawling being the most widespread, severe disturbance affecting deep-sea environments, it remains uncertain whether recovery is possible once trawling has ceased. Here, we review information regarding the resilience of seamount benthic communities to trawling. We focus on seamounts because benthic communities associated with these features are especially vulnerable to trawling as they are often dominated by emergent, sessile epifauna, and trawling on seamounts can be highly concentrated. We perform a meta-analysis to investigate whether any taxa demonstrate potential for recovery once trawling has ceased. Our findings indicate that mean total abundance can gradually increase after protection measures are placed, although taxa exhibit various responses, from no recovery to intermediate/high recovery, resistance, or signs of early colonisation. We use our results to recommend directions for future research to improve our understanding of the resilience of seamount benthic communities, and thereby inform the management of trawling impacts on these ecosystems.
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