New #PNAS paper: 'Global analysis of depletion and recovery of seabed biota following bottom trawling disturbance'
http://www.pnas.org/content/early/2017/07/11/1618858114.abstract …pic.twitter.com/YyeT3TAAA3
We conducted a #systematicreview and #metaanalysis of >70 experimental and comparative #bottomtrawling studies …https://environmentalevidencejournal.biomedcentral.com/articles/10.1186/2047-2382-3-23 …pic.twitter.com/87VjuyQvjl
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We developed novel and widely applicable methods to estimate depletion and recovery rates of biota after trawlinghttps://trawlingpractices.wordpress.com/
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The fraction of biota killed by a bottom trawl correlates tightly with the penetration depth of the gear.
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Otter trawls OT penetrate the seabed 2.4cm and remove 6% of biota per trawl pass. Hydraulic dredges HD penetrate 16.1cm and remove 41%pic.twitter.com/nCkfOmQhY2
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The impact of trawling depends on both the depletion per trawl pass and the rate of recovery rate after trawling.http://onlinelibrary.wiley.com/doi/10.1111/2041-210X.12705/full …
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Commercial trawling activities typically removes 10-50% of benthic community biomasspic.twitter.com/OaJofFSHQi
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