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Proc Biol Sci
2019 Nov 20;2861915:20192046. doi: 10.1098/rspb.2019.2046.
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Overwintering tropical herbivores accelerate detritus production on temperate reefs.
Zarco-Perello S
,
Langlois TJ
,
Holmes T
,
Vanderklift MA
,
Wernberg T
.
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The tropicalization of temperate marine ecosystems can lead to increased herbivory rates, reducing the standing stock of seaweeds and potentially causing increases in detritus production. However, long-term studies analysing these processes associated with the persistence of tropical herbivores in temperate reefs are lacking. We assessed the seasonal variation in abundances, macrophyte consumption, feeding modes and defecation rates of the range-extending tropical rabbitfish Siganus fuscescens and the temperate silver drummer Kyphosus sydneyanus and herring cale Olisthops cyanomelas on tropicalized reefs of Western Australia. Rabbitfish overwintered in temperate reefs, consumed more kelp and other macrophytes in all feeding modes, and defecated more during both summer and winter than the temperate herbivores. Herbivory and defecation increased with rabbitfish abundance, but this was dependent on temperature, with higher rates attained by big schools during summer and lower rates in winter. Still, rabbitfish surpassed temperate herbivores, leading to a fivefold acceleration in the transformation of macrophyte standing stock to detritus, a function usually attributed to sea urchins in kelp forests. Our results suggest that further warming and tropicalization will not only increase primary consumption and affect the habitat structure of temperate reefs but also increase detritus production, with the potential to modify energy pathways.
Bellwood,
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2006, Pubmed
Bellwood,
Sleeping functional group drives coral-reef recovery.
2006,
Pubmed
Bellwood,
Confronting the coral reef crisis.
2004,
Pubmed
Bennett,
Tropical herbivores provide resilience to a climate-mediated phase shift on temperate reefs.
2015,
Pubmed
Bertness,
Experimental predator removal causes rapid salt marsh die-off.
2014,
Pubmed
Gruner,
A cross-system synthesis of consumer and nutrient resource control on producer biomass.
2008,
Pubmed
Hughes,
Phase shifts, herbivory, and the resilience of coral reefs to climate change.
2007,
Pubmed
Hyndes,
Mechanisms and ecological role of carbon transfer within coastal seascapes.
2014,
Pubmed
Kumagai,
Ocean currents and herbivory drive macroalgae-to-coral community shift under climate warming.
2018,
Pubmed
Nakamura,
Tropical fishes dominate temperate reef fish communities within western Japan.
2013,
Pubmed
Pecl,
Biodiversity redistribution under climate change: Impacts on ecosystems and human well-being.
2017,
Pubmed
Pörtner,
Ecology. Physiology and climate change.
2008,
Pubmed
Pörtner,
Climate change effects on fishes and fisheries: towards a cause-and-effect understanding.
2010,
Pubmed
Sala,
Alien marine fishes deplete algal biomass in the Eastern Mediterranean.
2011,
Pubmed
,
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Shantz,
Fish-derived nutrient hotspots shape coral reef benthic communities.
2015,
Pubmed
Steneck,
Herbivory in the marine realm.
2017,
Pubmed
Takao,
Projecting the impacts of rising seawater temperatures on the distribution of seaweeds around Japan under multiple climate change scenarios.
2015,
Pubmed
Vergés,
The tropicalization of temperate marine ecosystems: climate-mediated changes in herbivory and community phase shifts.
2014,
Pubmed
Vergés,
Long-term empirical evidence of ocean warming leading to tropicalization of fish communities, increased herbivory, and loss of kelp.
2016,
Pubmed
Wernberg,
Grazers extend blue carbon transfer by slowing sinking speeds of kelp detritus.
2018,
Pubmed
,
Echinobase
Wernberg,
Export of detached macroalgae from reefs to adjacent seagrass beds.
2006,
Pubmed
Yorke,
Sea urchins mediate the availability of kelp detritus to benthic consumers.
2019,
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,
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,
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