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Article: Ecological variables for developing a global deep-ocean monitoring and conservation strategy

TitleEcological variables for developing a global deep-ocean monitoring and conservation strategy
Authors
Issue Date2020
PublisherNature Publishing Group. The Journal's web site is located at https://www.nature.com/natecolevol/
Citation
Nature Ecology & Evolution, 2020, v. 4, p. 181-192 How to Cite?
AbstractThe deep sea (>200 m depth) encompasses >95% of the world’s ocean volume and represents the largest and least explored biome on Earth (<0.0001% of ocean surface), yet is increasingly under threat from multiple direct and indirect anthropogenic pressures. Our ability to preserve both benthic and pelagic deep-sea ecosystems depends upon effective ecosystem-based management strategies and monitoring based on widely agreed deep-sea ecological variables. Here, we identify a set of deep-sea essential ecological variables among five scientific areas of the deep ocean: (1) biodiversity; (2) ecosystem functions; (3) impacts and risk assessment; (4) climate change, adaptation and evolution; and (5) ecosystem conservation. Conducting an expert elicitation (1,155 deep-sea scientists consulted and 112 respondents), our analysis indicates a wide consensus amongst deep-sea experts that monitoring should prioritize large organisms (that is, macro- and megafauna) living in deep waters and in benthic habitats, whereas monitoring of ecosystem functioning should focus on trophic structure and biomass production. Habitat degradation and recovery rates are identified as crucial features for monitoring deep-sea ecosystem health, while global climate change will likely shift bathymetric distributions and cause local extinction in deep-sea species. Finally, deep-sea conservation efforts should focus primarily on vulnerable marine ecosystems and habitat-forming species. Deep-sea observation efforts that prioritize these variables will help to support the implementation of effective management strategies on a global scale.
Persistent Identifierhttp://hdl.handle.net/10722/294286
ISSN
2023 Impact Factor: 13.9
2023 SCImago Journal Rankings: 5.056
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDanovaro, R-
dc.contributor.authorFanelli, E-
dc.contributor.authorAguzzi, J-
dc.contributor.authorBillett, D-
dc.contributor.authorCarugati, L-
dc.contributor.authorCorinaldesi, C-
dc.contributor.authorDell’Anno, A-
dc.contributor.authorGjerde, K-
dc.contributor.authorJamieson, AJ-
dc.contributor.authorKark, S-
dc.contributor.authorMcClain, C-
dc.contributor.authorLevin, L-
dc.contributor.authorLevin, N-
dc.contributor.authorRamirez-Llodra, E-
dc.contributor.authorRuhl, H-
dc.contributor.authorSmith, CR-
dc.contributor.authorSnelgrove, PVR-
dc.contributor.authorThomsen, L-
dc.contributor.authorVan Dover, CL-
dc.contributor.authorYasuhara, M-
dc.date.accessioned2020-11-23T08:29:11Z-
dc.date.available2020-11-23T08:29:11Z-
dc.date.issued2020-
dc.identifier.citationNature Ecology & Evolution, 2020, v. 4, p. 181-192-
dc.identifier.issn2397-334X-
dc.identifier.urihttp://hdl.handle.net/10722/294286-
dc.description.abstractThe deep sea (>200 m depth) encompasses >95% of the world’s ocean volume and represents the largest and least explored biome on Earth (<0.0001% of ocean surface), yet is increasingly under threat from multiple direct and indirect anthropogenic pressures. Our ability to preserve both benthic and pelagic deep-sea ecosystems depends upon effective ecosystem-based management strategies and monitoring based on widely agreed deep-sea ecological variables. Here, we identify a set of deep-sea essential ecological variables among five scientific areas of the deep ocean: (1) biodiversity; (2) ecosystem functions; (3) impacts and risk assessment; (4) climate change, adaptation and evolution; and (5) ecosystem conservation. Conducting an expert elicitation (1,155 deep-sea scientists consulted and 112 respondents), our analysis indicates a wide consensus amongst deep-sea experts that monitoring should prioritize large organisms (that is, macro- and megafauna) living in deep waters and in benthic habitats, whereas monitoring of ecosystem functioning should focus on trophic structure and biomass production. Habitat degradation and recovery rates are identified as crucial features for monitoring deep-sea ecosystem health, while global climate change will likely shift bathymetric distributions and cause local extinction in deep-sea species. Finally, deep-sea conservation efforts should focus primarily on vulnerable marine ecosystems and habitat-forming species. Deep-sea observation efforts that prioritize these variables will help to support the implementation of effective management strategies on a global scale.-
dc.languageeng-
dc.publisherNature Publishing Group. The Journal's web site is located at https://www.nature.com/natecolevol/-
dc.relation.ispartofNature Ecology & Evolution-
dc.titleEcological variables for developing a global deep-ocean monitoring and conservation strategy-
dc.typeArticle-
dc.identifier.emailYasuhara, M: yasuhara@hku.hk-
dc.identifier.authorityYasuhara, M=rp01474-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/s41559-019-1091-z-
dc.identifier.pmid32015428-
dc.identifier.scopuseid_2-s2.0-85078949958-
dc.identifier.hkuros318831-
dc.identifier.volume4-
dc.identifier.spage181-
dc.identifier.epage192-
dc.identifier.isiWOS:000510791900006-
dc.publisher.placeUnited Kingdom-
dc.identifier.f1000737318202-

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