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Climate change alterations to ecosystem dominance: how might sponge-dominated reefs function?

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dc.contributor Maurice Wilkins Ctr Mol Biodiscovery
dc.contributor Victoria University Wellington
dc.contributor Commonwealth Scientific & Industrial Research Organisation (csiro)
dc.contributor University Of Tasmania
dc.contributor Univ Queensland
dc.contributor National Institute Of Water & Atmospheric Research (niwa) - New Zealand
dc.contributor Natl Water & Atmospher Res Ltd
dc.contributor Australian Inst Marine Sci
dc.contributor Ctr Marine Socioecol
dc.contributor Univ Tasmania
dc.contributor Univ Auckland
dc.contributor Sch Biol Sci
dc.contributor University Of Auckland
dc.contributor Townsville Mail Ctr
dc.contributor University Of Queensland
dc.contributor Australian Ctr Ecogen
dc.contributor Victoria Univ Wellington
dc.contributor Australian Institute Of Marine Science
dc.contributor Csiro Oceans & Atmosphere WEBSTER, NICOLE S. BELL, JAMES J. ROVELLINI, ALBERTO DAVY, SIMON K. TAYLOR, MICHAEL W. FULTON, ELIZABETH A. DUNN, MATTHEW R. BENNETT, HOLLY M. KANDLER, NORA M. LUTER, HEIDI M. 2018-09-16T18:55:09Z 2018-09-16T18:55:09Z 2018-11-01T03:04:58Z 2018-09-16T18:55:09Z 2018-09-16T18:55:09Z 2018-11-01T03:04:58Z 2018-09-01
dc.identifier.citation Bell JJ, Rovellini A, Davy SK, Taylor MW, Fulton EA, Dunn MR, Bennett HM, Kandler NM, Luter HM, Webster NS (2018) Climate change alterations to ecosystem dominance: how might sponge-dominated reefs function?. Ecology 99:1920-1931
dc.identifier.issn 0012-9658
dc.description.abstract Anthropogenic stressors are impacting ecological systems across the world. Of particular concern are the recent rapid changes occurring in coral reef systems. With ongoing degradation from both local and global stressors, future reefs are likely to function differently from current coral-dominated ecosystems. Determining key attributes of future reef states is critical to reliably predict outcomes for ecosystem service provision. Here we explore the impacts of changing sponge dominance on coral reefs. Qualitative modelling of reef futures suggests that changing sponge dominance due to increased sponge abundance will have different outcomes for other trophic levels compared with increased sponge dominance as a result of declining coral abundance. By exploring uncertainty in the model outcomes we identify the need to (1) quantify changes in carbon flow through sponges, (2) determine the importance of food limitation for sponges, (3) assess the ubiquity of the recently described sponge loop, (4) determine the competitive relationships between sponges and other benthic taxa, particularly algae, and (5) understand how changing dominance of other organisms alters trophic pathways and energy flows through ecosystems. Addressing these knowledge gaps will facilitate development of more complex models that assess functional attributes of sponge-dominated reef ecosystems.
dc.description.sponsorship Funding to support this research was provided by the Royal Society of New Zealand Marsden Fund. J. J. Bell, N. S. Webster, and A. Rovellini designed the study. A. Rovellini performed the modeling work and analyzed the output data. S. K. Davy, M. W. Taylor, H. M. Luter, E. A. Fulton, M. R. Dunn, H. M. Bennett, and N. M. Kandler contributed to interpretation of the data. J. J. Bell and N. S. Webster wrote the first draft of the manuscript and all authors contributed to revisions and approved the manuscript.
dc.language English
dc.subject Great-barrier-reef
dc.subject Ecosystem Functioning
dc.subject Coral-reef
dc.subject Environmental Sciences & Ecology
dc.subject In-situ
dc.subject Ecology
dc.subject Marine Sponges
dc.subject Populations
dc.subject Porifera
dc.subject Regime Shifts
dc.subject Competition
dc.subject Multiple Stressors
dc.subject Water
dc.subject Sponges
dc.subject Coral Reefs
dc.subject Qualitative Modelling
dc.subject Dissolved Organic-carbon
dc.subject Phase-shifts
dc.title Climate change alterations to ecosystem dominance: how might sponge-dominated reefs function?
dc.type journal article
dc.identifier.doi 10.1002/ecy.2446
dc.identifier.wos WOS:000443558200002

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