Major bleaching events can lead to increased thermal tolerance in corals

@article{Maynard2008MajorBE,
  title={Major bleaching events can lead to increased thermal tolerance in corals},
  author={Jeffrey A. Maynard and Kenneth R N Anthony and Paul A. Marshall and Itsara Masiri},
  journal={Marine Biology},
  year={2008},
  volume={155},
  pages={173-182}
}
Climate change is a major threat to coral reef ecosystems worldwide. A key determinant of the fate of reef corals in a warming climate is their capacity to tolerate increasing thermal stress. Here, an increase in thermal tolerance is demonstrated for three major coral genera (Acropora, Pocillopora and Porites) following the extensive mass bleaching event that occurred on the Great Barrier Reef (Australia) in 1998. During the subsequent and more severe thermal stress event in 2002, bleaching… Expand

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References

SHOWING 1-10 OF 66 REFERENCES
Coral bleaching--capacity for acclimatization and adaptation.
TLDR
There are limits to acclimatory processes that can counter coral bleaching resulting from elevated sea temperatures, but scientific models will not accurately predict the fate of reef corals until the authors have a better understanding of coral-algal acclimatization/adaptation potential. Expand
1997–98: Unprecedented thermal stress to coral reefs?
Mass bleaching is a stress response of corals subjected to warmer-than-normal seawater temperatures during the warm season. During 1997-98 there were unprecedented numbers of reports of bleaching onExpand
Energetics approach to predicting mortality risk from environmental stress: a case study of coral bleaching
TLDR
A model that links the functional response of colony energy balance and energy store dynamics to coral mortality risk and recovery during and following bleaching events is developed and indicates that energy-costly disturbances and low availability of food work to increase bleaching-induced Coral mortality risk for acroporid corals on Indo-Pacific reefs. Expand
Mortality, growth and reproduction in scleractinian corals following bleaching on the Great barrier Reef
TLDR
Monitoring individual colonies of 4 common coral species for 8 mo following historically high sea-surface temperatures on the Great Barrier Reef in 1998 to compare their response to, and recovery from, thermal stress and to examine the effect of bleaching on growth and reproduction in 2 Acropora species suggests recovery to former levels of abundance is likely to be slow. Expand
Coral bleaching: interpretation of thermal tolerance limits and thermal thresholds in tropical corals
TLDR
A thorough understanding of the organismal responses occurring during bleaching will help explain changes in coral populations and in the coral reef community, and perhaps assist in predicting the future of reef corals and coral reefs during the next century of global climate change. Expand
Bleaching of corals on the Great Barrier Reef: differential susceptibilities among taxa
TLDR
A detailed analysis of the bleaching response of 4160 coral colonies, representing 45 genera and 15 families, from two depths at four sites on reefs fringing inshore islands on the Great Barrier Reef suggests that much of the spatial variation inBleaching response was due to assemblage composition and thermal acclimation. Expand
Climate change, coral bleaching and the future of the world's coral reefs
TLDR
The results suggest that the thermal tolerances of reef-building corals are likely to be exceeded every year within the next few decades, and suggests that unrestrained warming cannot occur without the loss and degradation of coral reefs on a global scale. Expand
The role of zooxanthellae in the thermal tolerance of corals: a ‘nugget of hope’ for coral reefs in an era of climate change
TLDR
It is shown that adult corals, at least in some circumstances, are capable of acquiring increased thermal tolerance and that the increased tolerance is a direct result of a change in the symbiont type dominating their tissues from Symbiodinium type C to D. Expand
Bleaching, energetics, and coral mortality risk : Effects of temperature, light, and sediment regime
TLDR
A survivorship model using coral energy status (lipid stores) as a predictor variable provided an excellent fit to the data, suggesting that much of the variation in survivorship among treatments and over time can be explained by colony energetics. Expand
Adaptations of Reef Corals to Physical Environmental Stress
TLDR
The ability of corals to adapt to environmental stress is fundamental to understanding evolutionary change over geological time and to prediction of coral reef survival under increasingly stressful conditions of altered climate and pollution. Expand
...
1
2
3
4
5
...