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Large-scale assessments of bottom trawling effects on Vulnerable Marine Ecosystems can significantly under-represent impacts.

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Název: Large-scale assessments of bottom trawling effects on Vulnerable Marine Ecosystems can significantly under-represent impacts.
Autoři: Stephenson F; School of Natural and Environmental Science, Newcastle University, Newcastle, United Kingdom. Electronic address: Fabrice.Stephenson@newcastle.ac.uk., Zelli E; School of Science, University of Waikato, Tauranga, New Zealand., Bennion M; National Institute of Water and Atmospheric Research (NIWA), Hamilton, New Zealand., Rowden AA; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand; Victoria University of Wellington, Wellington, New Zealand., Anderson OF; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand., Clark MR; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand., Tablada J; New Zealand Department of Conservation Te Papa Atawhai, Wellington, New Zealand., Hiddink JG; School of Ocean Sciences, Bangor University, Menai Bridge, United Kingdom., Kaikkonen L; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand; Finnish Environment Institute, Helsinki, Finland., Finucci B; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand; University of Tasmania, Hobart, Australia., Tracey DM; National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand., Ellis JI; School of Science, University of Waikato, Tauranga, New Zealand., Pilditch C; Institute of Marine Science, University of Auckland, New Zealand., Holland LP; New Zealand Department of Conservation Te Papa Atawhai, Wellington, New Zealand., Geange SW; New Zealand Department of Conservation Te Papa Atawhai, Wellington, New Zealand.
Zdroj: Journal of environmental management [J Environ Manage] 2025 Dec; Vol. 395, pp. 127672. Date of Electronic Publication: 2025 Oct 21.
Způsob vydávání: Journal Article
Jazyk: English
Informace o časopise: Publisher: Academic Press Country of Publication: England NLM ID: 0401664 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8630 (Electronic) Linking ISSN: 03014797 NLM ISO Abbreviation: J Environ Manage Subsets: MEDLINE
Imprint Name(s): Original Publication: London ; New York, Academic Press.
Výrazy ze slovníku MeSH: Ecosystem* , Fisheries* , Conservation of Natural Resources*, Animals ; Biodiversity ; New Zealand ; Fishes
Abstrakt: Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Bottom trawling threatens Vulnerable Marine Ecosystems (VMEs). We evaluated historic benthic trawling impacts on 10 VME indicator taxa (e.g. cold-water corals) and estimates of VME distribution (based on the overlap of taxa abundance-based and richness-based indices) across New Zealand waters, using a dynamic Relative Benthic Status model, incorporating 30 years of fishing data, and taxon-specific depletion and recovery rates. The analysis was conducted at a national scale and within six ecologically relevant bioregional scales. We predicted severe, lasting impacts at bioregional levels, despite modest national-scale effects. All VME indicator taxa fell below an 80% 'good ecosystem state' threshold in at least one bioregion, with VMEs in three of six bioregions below this critical limit. Combined with limited observed recovery for these taxa 20-40 years post-fishing, these impacts likely represent Significant Adverse Impacts. By integrating high-resolution spatial predictions with long-term impact assessments at ecologically relevant scales, our approach provides a novel replicable framework for regional and global assessments, identifying pristine areas vital for conservation under agreements like the High Seas Treaty. This study is an important step towards sustainable fisheries management and marine biodiversity conservation, providing essential insights to guide policy decisions and protect the oceans' most vulnerable ecosystems from bottom trawling.
(Copyright © 2025 The Author(s). Published by Elsevier Ltd.. All rights reserved.)
Contributed Indexing: Keywords: Bioregions; Cold-water corals; Fishing impact assessment; Marine conservation; Relative benthic status (RBS); Spatial management
Entry Date(s): Date Created: 20251022 Date Completed: 20251203 Latest Revision: 20251203
Update Code: 20251203
DOI: 10.1016/j.jenvman.2025.127672
PMID: 41124850
Databáze: MEDLINE
Popis
Abstrakt:Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br />Bottom trawling threatens Vulnerable Marine Ecosystems (VMEs). We evaluated historic benthic trawling impacts on 10 VME indicator taxa (e.g. cold-water corals) and estimates of VME distribution (based on the overlap of taxa abundance-based and richness-based indices) across New Zealand waters, using a dynamic Relative Benthic Status model, incorporating 30 years of fishing data, and taxon-specific depletion and recovery rates. The analysis was conducted at a national scale and within six ecologically relevant bioregional scales. We predicted severe, lasting impacts at bioregional levels, despite modest national-scale effects. All VME indicator taxa fell below an 80% 'good ecosystem state' threshold in at least one bioregion, with VMEs in three of six bioregions below this critical limit. Combined with limited observed recovery for these taxa 20-40 years post-fishing, these impacts likely represent Significant Adverse Impacts. By integrating high-resolution spatial predictions with long-term impact assessments at ecologically relevant scales, our approach provides a novel replicable framework for regional and global assessments, identifying pristine areas vital for conservation under agreements like the High Seas Treaty. This study is an important step towards sustainable fisheries management and marine biodiversity conservation, providing essential insights to guide policy decisions and protect the oceans' most vulnerable ecosystems from bottom trawling.<br /> (Copyright © 2025 The Author(s). Published by Elsevier Ltd.. All rights reserved.)
ISSN:1095-8630
DOI:10.1016/j.jenvman.2025.127672