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Spatial patchiness in change, recruitment, and recovery on coral reefs at Lizard Island following consecutive bleaching events.
Tebbett, Sterling B; Morais, Juliano; Bellwood, David R.
Afiliación
  • Tebbett SB; Research Hub for Coral Reef Ecosystem Functions, College of Science and Engineering and ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland, 4811, Australia. Electronic address: sterling.tebbett@my.jcu.edu.au.
  • Morais J; Research Hub for Coral Reef Ecosystem Functions, College of Science and Engineering and ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland, 4811, Australia.
  • Bellwood DR; Research Hub for Coral Reef Ecosystem Functions, College of Science and Engineering and ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland, 4811, Australia.
Mar Environ Res ; 173: 105537, 2022 Jan.
Article en En | MEDLINE | ID: mdl-34837738
The world's coral reef ecosystems are steadily being reconfigured by climate change. Lizard Island, on Australia's Great Barrier Reef, offers an opportunity to examine coral reef reassembly following disturbance, as this location has been impacted by consecutive tropical cyclones and consecutive coral bleaching events. Based on repeatedly monitoring the same 349 photoquadrats around Lizard Island over a 5-year period (2016-2021) we revealed that bleaching in 2016 drove a ∼50% reduction in hard coral cover, and a concomitant increase in algal turf cover. From 2018 to 2021, significant increases (>600%) in coral cover were detected on two semi-exposed reefs and were associated with substantial Acropora recruitment. By contrast, fourteen lagoonal and back reefs exhibited virtually no recovery nor Acropora recruitment. Given that the timeframe between disturbances is set to decrease, our results suggest that some recovery is possible immediately after severe cumulative disturbances, although this recovery may be highly spatially heterogenous.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Antozoos / Lagartos Límite: Animals Idioma: En Revista: Mar Environ Res Asunto de la revista: BIOLOGIA / SAUDE AMBIENTAL / TOXICOLOGIA Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Antozoos / Lagartos Límite: Animals Idioma: En Revista: Mar Environ Res Asunto de la revista: BIOLOGIA / SAUDE AMBIENTAL / TOXICOLOGIA Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido