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An extreme climatic event alters marine ecosystem structure in a global biodiversity hotspot
In 2011 the waters along the west coast of Australia—a global hotspot of biodiversity—experienced an unprecedented (in recorded times) warming event with warming anomalies of 2–4 °C that persisted…
A hierarchical approach to defining marine heatwaves
Climate-driven regime shift of a temperate marine ecosystem
It is shown that extreme warming of a temperate kelp forest off Australia resulted not only in its collapse, but also in a shift in community composition that brought about an increase in herbivorous tropical fishes that prevent the reestablishment of kelp.
A decade of climate change experiments on marine organisms: procedures, patterns and problems
Increased effort is required in five areas: the combined effects of concurrent climate and non-climate stressors; responses of a broader range of species, particularly from tropical and polar regions as well as primary producers, pelagic invertebrates, and fish; species interactions and responses of species assemblages; and increasing realism in experiments through broad-scale observations and field experiments.
Biodiversity redistribution under climate change: Impacts on ecosystems and human well-being
The negative effects of climate change cannot be adequately anticipated or prepared for unless species responses are explicitly included in decision-making and global strategic frameworks, and feedbacks on climate itself are documented.
Longer and more frequent marine heatwaves over the past century
Using a range of ocean temperature data including global records of daily satellite observations, daily in situ measurements and gridded monthly in situ-based data sets, this work identifies significant increases in marine heatwaves over the past century.
The tropicalization of temperate marine ecosystems: climate-mediated changes in herbivory and community phase shifts
- A. Vergés, P. Steinberg, S. Wilson
- Environmental ScienceProceedings of the Royal Society B: Biological…
- 22 August 2014
It is argued that this phase shift is facilitated by poleward-flowing boundary currents that are creating ocean warming hotspots around the globe, enabling the range expansion of tropical species and increasing their grazing rates in temperate areas.
Decreasing resilience of kelp beds along a latitudinal temperature gradient: potential implications for a warmer future.
- T. Wernberg, M. Thomsen, F. Tuya, G. Kendrick, P. Staehr, Benjamin D. Toohey
- Environmental ScienceEcology Letters
- 1 June 2010
It is shown that while metabolic adjustment may assist Australasian kelp beds to persist and maintain abundance in warmer waters, it also reduces the physiological responsiveness of kelps to perturbation, and suppresses canopy recovery from disturbances by reducing the ecological performance of kelp recruits.
The 'Great Southern Reef': social, ecological and economic value of Australia's neglected kelp forests
- S. Bennett, T. Wernberg, S. Connell, A. Hobday, C. Johnson, E. poloczanska
- Environmental Science
- 27 January 2016
This work defines the ‘Great Southern Reef’ (GSR) as Australia’s spatially connected temperate reef system as a global biodiversity hotspot across at least nine phyla and takes steps towards negotiating the difficult challenges the GSR faces in a future of unprecedented coastal population growth and global change.