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Oxidative stress and seasonal coral bleaching
Free Radical Biology and Medicine, 2002During the past two decades, coral reefs have experienced extensive degradation worldwide. One etiology for this global degradation is a syndrome known as coral bleaching. Mass coral bleaching events are correlated with increased sea-surface temperatures, however, the cellular mechanism underlying this phenomenon is uncertain. To determine if oxidative
C A, Downs +5 more
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Kimberley corals bleaching recovery
2020In the austral summer of 2016, intertidal (IT) and subtidal (ST) corals from the macrotidal Kimberley region in NW Australia were exposed to an extreme heat wave. ST corals were severely affected by bleaching whereas IT corals only experienced moderate bleaching.
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Alternate coral–bryozoan competitive superiority during coral bleaching
Marine Biology, 2003Bleaching of corals results from the loss of their symbiotic algae (zooxanthellae) and/or pigments. The supply of photoassimilates provided by the zooxanthellae to the coral declines during bleaching and reduces the ability to activate energy-costly processes such as maintenance, growth and reproduction. In the present study we compared the competitive
M. Fine, Y. Loya
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Coral Bleaching Mapping Activity
2018This is a classroom activity in which students use authentic data to assess the threat of coral bleaching around the world. It supports the 2014 Holiday Lectures on Science video featuring Dr. Stephen Palumbi.
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Reef corals bleach to resist stress
Marine Pollution Bulletin, 2009A rationale is presented here for a primary role of bleaching in regulation of the coral-zooxanthellae symbiosis under conditions of stress. Corals and zooxanthellae have fundamentally different metabolic rates, requiring active homeostasis to limit zooxanthellae production and manage translocated products to maintain the symbiosis.
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Reef corals bleach to survive change
Nature, 2001The bleaching of coral reefs, in which symbiotic algae are lost from reef-building invertebrates, is usually considered to be a drastic and damaging response to adverse environmental conditions1,2. Here I report results from transplant experiments involving different combinations of coral host and algal symbiont that support an alternative view, in ...
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Geological Society of America Abstracts with Programs, 2022
Zelalem Demissie, Hannah Samaniego
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Zelalem Demissie, Hannah Samaniego
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