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Human society is dependent on nature 1,2 , but whether our ecological foundations are at risk remains unknown in the absence of systematic monitoring of species' populations 3 . Knowledge of species fluctuations is particularly inadequate in the marine realm 4 . Here we assess the population trends of 1,057 common shallow reef species from multiple phyla at 1,636 sites around Australia over the past decade. Most populations decreased over this period, including many tropical fishes, temperate invertebrates (particularly echinoderms) and southwestern Australian macroalgae, whereas coral populations remained relatively stable. Population declines typically followed heatwave years, when local water temperatures were more than 0.5 °C above temperatures in 2008. Following heatwaves 5,6 , species abundances generally tended to decline near warm range edges, and increase near cool range edges. More than 30% of shallow invertebrate species in cool latitudes exhibited high extinction risk, with rapidly declining populations trapped by deep ocean barriers, preventing poleward retreat as temperatures rise. Greater conservation effort is needed to safeguard temperate marine ecosystems, which are disproportionately threatened and include species with deep evolutionary roots. Fundamental among such efforts, and broader societal needs to efficiently adapt to interacting anthropogenic and natural pressures, is greatly expanded monitoring of species' population trends 7,8 .

Titel:	Continent-wide declines in shallow reef life over a decade of ocean warming.
Autor/in / Beteiligte Person:	Edgar, GJ ; Stuart-Smith, RD ; Heather, FJ ; Barrett, NS ; Turak, E ; Sweatman, H ; Emslie, MJ ; Brock, DJ ; Hicks, J ; French, B ; Baker, SC ; Howe, SA ; Jordan, A ; Knott, NA ; Mooney, P ; Cooper, AT ; Oh, ES ; Soler, GA ; Mellin, C ; Ling, SD ; Dunic, JC ; Turnbull, JW ; Day, PB ; Larkin, MF ; Seroussi, Y ; Stuart-Smith, J ; Clausius, E ; Davis, TR ; Shields, J ; Shields, D ; Johnson, OJ ; Fuchs, YH ; Denis-Roy, L ; Jones, T ; Bates, AE
Link:	Zum Volltext
Zeitschrift:	Nature, Jg. 615 (2023-03-01), Heft 7954, S. 858-865
Veröffentlichung:	Basingstoke : Nature Publishing Group ; <i>Original Publication</i>: London, Macmillan Journals ltd., 2023
Medientyp:	academicJournal
ISSN:	1476-4687 (electronic)
DOI:	10.1038/s41586-023-05833-y
Schlagwort:	Animals Australia Population Dynamics Population Density Extinction, Biological Conservation of Natural Resources trends Echinodermata classification Anthozoa Coral Reefs Fishes classification Invertebrates classification Oceans and Seas Global Warming statistics & numerical data Seaweed classification Extreme Heat Seawater analysis
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article; Research Support, Non-U.S. Gov't Language: English [Nature] 2023 Mar; Vol. 615 (7954), pp. 858-865. <i>Date of Electronic Publication: </i>2023 Mar 22. MeSH Terms: Anthozoa* ; Coral Reefs* ; Fishes* / classification ; Invertebrates* / classification ; Oceans and Seas* ; Global Warming* / statistics & numerical data ; Seaweed* / classification ; Extreme Heat* ; Seawater* / analysis ; Animals ; Australia ; Population Dynamics ; Population Density ; Extinction, Biological ; Conservation of Natural Resources / trends ; Echinodermata / classification References: Whitmee, S. et al. Safeguarding human health in the Anthropocene epoch: report of The Rockefeller Foundation–Lancet Commission on planetary health. Lancet 386, 1973–2028 (2015). (PMID: 2618874410.1016/S0140-6736(15)60901-1) ; Cardinale, B. J. et al. Biodiversity loss and its impact on humanity. Nature 486, 59–67 (2012). 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Continent-wide declines in shallow reef life over a decade of ocean warming.