title: Humans and seasonal climate variability threaten large-bodied coral reef fish with small ranges.
abstract: Coral reefs are among the most species-rich and threatened ecosystems on Earth, yet the extent to which human stressors determine species occurrences, compared with biogeography or environmental conditions, remains largely unknown. With ever-increasing human-mediated disturbances on these ecosystems, an important question is not only how many species can inhabit local communities, but also which biological traits determine species that can persist (or not) above particular disturbance thresholds. Here we show that human pressure and seasonal climate variability are disproportionately and negatively associated with the occurrence of large-bodied and geographically small-ranging fishes within local coral reef communities. These species are 67% less likely to occur where human impact and temperature seasonality exceed critical thresholds, such as in the marine biodiversity hotspot: the Coral Triangle. Our results identify the most sensitive species and critical thresholds of human and climatic stressors, providing opportunity for targeted conservation intervention to prevent local extinctions.
authors.affiliation: Australian Institute of Marine Science, PMB No. 3, Townsville MC, Townsville, Queensland 4810, Australia.|The Environment Institute and School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia.
authors.forename: C
authors.initials: C
authors.lastname: Mellin
authors.affiliation: UMR 9190 MARBEC, IRD-CNRS-IFREMER-UM, Université de Montpellier, 34095 Montpellier, France.|Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia.
authors.forename: D
authors.initials: D
authors.lastname: Mouillot
authors.affiliation: Institut de Recherche pour le Développement, UMR 'Entropie', LABEX Corail, Université de Perpignan, 66000 Perpignan, France.
authors.forename: M
authors.initials: M
authors.lastname: Kulbicki
authors.affiliation: Marine Programs, Wildlife Conservation Society, Bronx, New York 10460, USA.
authors.forename: T R
authors.initials: TR
authors.lastname: McClanahan
authors.affiliation: Institut de Recherche pour le Développement, UMR 'Entropie', LABEX Corail, BP A5-98848 Nouméa, New Caledonia, France.
authors.forename: L
authors.initials: L
authors.lastname: Vigliola
authors.affiliation: The Environment Institute and School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia.
authors.forename: C J A
authors.initials: CJ
authors.lastname: Bradshaw
authors.affiliation: NOAA, National Marine Fisheries Service, Pacific Islands Fisheries Science Center, 1125B Ala Moana Blvd, Honolulu, Hawaii 96814, USA.
authors.forename: R E
authors.initials: RE
authors.lastname: Brainard
authors.affiliation: Institut de Recherche pour le Développement, UMR 'Entropie', LABEX Corail, BP 50172, CS 41095, FR-97495 Ste Clotilde, Reunion Island, France.
authors.forename: P
authors.initials: P
authors.lastname: Chabanet
authors.affiliation: Institute for Marine and Antarctic Studies, University of Tasmania, Private Bag 49, Hobart, Tasmania 7001, Australia.
authors.forename: G J
authors.initials: GJ
authors.lastname: Edgar
authors.affiliation: The Environment Institute and School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia.
authors.forename: D A
authors.initials: DA
authors.lastname: Fordham
authors.affiliation: Pristine Seas, National Geographic Society, Washington DC 20036, USA.|Fisheries Ecology Research Lab, University of Hawaii at Manoa, Honolulu, Hawaii 096822, USA.
authors.forename: A M
authors.initials: AM
authors.lastname: Friedlander
authors.affiliation: Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia.|Centre de Synthèse et d'Analyse sur la Biodiversité (Fondation pour la Recherche en Biodiversité), Immeuble Henri Poincaré, Domaine du Petit Arbois, Aix-en-Provence 13100, France.|CRIOBE, USR 3278 CNRS-EPHE-UPVD, LABEX Corail, University of Perpignan, 66860 Perpignan, France.
authors.forename: V
authors.initials: V
authors.lastname: Parravicini
authors.affiliation: IOMRC and The UWA Oceans Institute, School of Animal Biology and Centre for Marine Futures, The University of Western Australia M470, 35 Stirling Highway, Crawley, Western Australia 6009, Australia.
authors.forename: A M M
authors.initials: AM
authors.lastname: Sequeira
authors.affiliation: Institute for Marine and Antarctic Studies, University of Tasmania, Private Bag 49, Hobart, Tasmania 7001, Australia.
authors.forename: R D
authors.initials: RD
authors.lastname: Stuart-Smith
authors.affiliation: Research Unit LIVE (EA4243), University of New Caledonia, Noumea, New Caledonia 98851, France.
authors.forename: L
authors.identifier: http://orcid.org/0000-0001-5024-2057
authors.initials: L
authors.lastname: Wantiez
authors.affiliation: Australian Institute of Marine Science, PMB No. 3, Townsville MC, Townsville, Queensland 4810, Australia.
authors.forename: M J
authors.initials: MJ
authors.lastname: Caley
mesh_terms: D000818:Animals; D044822:Biodiversity; D049628:Body Size; D002980:Climate; D003247:Conservation of Natural Resources; D057894:Coral Reefs; D017753:Ecosystem; D005399:Fishes; D006801:Humans; D012621:Seasons; D013312:Stress, Physiological; D013696:Temperature
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