Occurrence of tropical fishes in temperate southeastern Australia: Role of the East Australian Current

Booth, David J.; Figueira, Will F.; Gregson, Marcus; Brown, L.D.; Beretta, Giglia A.

doi:10.1016/j.ecss.2006.10.003

Cited by 173 publications

(194 citation statements)

References 32 publications

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“…As predicted, corals have already extended their latitudinal range pole-wards in several locations such as Japan and eastern Australia (Booth et al, 2007;Yamano et al, 2011;Baird et al, 2012), although range expansion can be accompanied by reduced symbiont diversity (Grupstra et al, 2017). The ability and rate of this range expansion will be key in determining the ability of high-latitude locations to act as refugia.…”

Section: High-latitude Environmentsmentioning

confidence: 88%

The Future of Coral Reefs Subject to Rapid Climate Change: Lessons from Natural Extreme Environments

et al. 2018

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Global climate change and localized anthropogenic stressors are driving rapid declines in coral reef health. In vitro experiments have been fundamental in providing insight into how reef organisms will potentially respond to future climates. However, such experiments are inevitably limited in their ability to reproduce the complex interactions that govern reef systems. Studies examining coral communities that already persist under naturally-occurring extreme and marginal physicochemical conditions have therefore become increasingly popular to advance ecosystem scale predictions of future reef form and function, although no single site provides a perfect analog to future reefs. Here we review the current state of knowledge that exists on the distribution of corals in marginal and extreme environments, and geographic sites at the latitudinal extremes of reef growth, as well as a variety of shallow reef systems and reef-neighboring environments (including upwelling and CO 2 vent sites). We also conduct a synthesis of the abiotic data that have been collected at these systems, to provide the first collective assessment on the range of extreme conditions under which corals currently persist. We use the review and data synthesis to increase our understanding of the biological and ecological mechanisms that facilitate survival and success under sub-optimal physicochemical conditions. This comprehensive assessment can begin to: (i) highlight the extent of extreme abiotic scenarios under which corals can persist, (ii) explore whether there are commonalities in coral taxa able to persist in such extremes, (iii) provide evidence for key mechanisms required to support survival and/or persistence under sub-optimal environmental conditions, and (iv) evaluate the potential of current sub-optimal coral environments to act as potential refugia under changing environmental conditions. Such a collective approach is critical to better understand the future survival of corals in our changing environment. We finally outline priority areas for future research on extreme and marginal coral environments, and discuss the additional management options they may provide for corals through refuge or by providing genetic stocks of stress tolerant corals to support proactive management strategies.

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Section: High-latitude Environmentsmentioning

confidence: 88%

The Future of Coral Reefs Subject to Rapid Climate Change: Lessons from Natural Extreme Environments

et al. 2018

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“…Genetic studies indicate a high connectivity between pre-and postextension zones, so the range shift appears to be an extension of the mainland population assisted by increased advection of larvae and warming of sea temperatures above the species' lower developmental threshold (Banks et al, 2010). The East Australian Current, which carries warm water and larvae and juveniles of marine organisms southward (Booth et al, 2007), has strengthened and penetrated further south since the 1940s (Ridgway, 2007), driven by a shift in westerly wind fields linked to greenhouse gas forcing (Cai et al, 2005;Wu et al, 2012). Consequently, coastal water temperatures in eastern Tasmania now fluctuate around the 12 • C mark, which is the threshold for successful C. rodgersii larval development, during August when peak spawning occurs .…”

Section: Distributionmentioning

confidence: 99%

Responses of Marine Organisms to Climate Change across Oceans

et al. 2016

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Climate change is driving changes in the physical and chemical properties of the ocean that have consequences for marine ecosystems. Here, we review evidence for the responses of marine life to recent climate change across ocean regions, from tropical seas to polar oceans. We consider observed changes in calcification rates, demography, abundance, distribution, and phenology of marine species. We draw on a database of observed climate change impacts on marine species, supplemented with evidence in the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. We discuss factors that limit or facilitate species' responses, such as fishing pressure, the availability of prey, habitat, light and other resources, and dispersal by ocean currents. We find that general trends in species' responses are consistent with expectations from climate change, including shifts in distribution to higher latitudes and to deeper locations, advances in spring phenology, declines in calcification, and increases in the abundance of warm-water species. The volume and type of evidence associated with species responses to climate change is variable across ocean regions and taxonomic groups, with predominance of evidence derived from the heavily-studied north Atlantic Ocean. Most investigations of the impact of climate change being associated with the impacts of changing temperature, with few observations of effects of changing oxygen, wave climate, precipitation (coastal waters), or ocean acidification. Observations of species responses that have been linked to anthropogenic climate change are widespread, but are still lacking for some taxonomic groups (e.g., phytoplankton, benthic invertebrates, marine mammals).

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“…For example, breeding range may be most important for species conservation, whereas full range, including recruitment periphery, may be required for diseaseor parasite-transmission studies. Depth distributions may differ across latitudinal ranges (Kingsford and Carlson 2010;Malcolm et al 2010) so surveying must incorporate this, and although usually quite sedentary and persistent, recruit densities may fluctuate widely within and among years (Booth et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Detecting range shifts among Australian fishes in response to climate change

Booth

Bond

Macreadie

2011

Mar. Freshwater Res.

140

136

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Abstract. One of the most obvious and expected impacts of climate change is a shift in the distributional range of organisms, which could have considerable ecological and economic consequences. Australian waters are hotspots for climate-induced environmental changes; here, we review these potential changes and their apparent and potential implications for freshwater, estuarine and marine fish. Our meta-analysis detected ,300 papers globally on 'fish' and 'range shifts', with ,7% being from Australia. Of the Australian papers, only one study exhibited definitive evidence of climate-induced range shifts, with most studies focussing instead on future predictions. There was little consensus in the literature regarding the definition of 'range', largely because of populations having distributions that fluctuate regularly. For example, many marine populations have broad dispersal of offspring (causing vagrancy). Similarly, in freshwater and estuarine systems, regular environmental changes (e.g. seasonal, ENSO cycles -not related to climate change) cause expansion and contraction of populations, which confounds efforts to detect range 'shifts'. We found that increases in water temperature, reduced freshwater flows and changes in ocean currents are likely to be the key drivers of climateinduced range shifts in Australian fishes. Although large-scale frequent and rigorous direct surveys of fishes across their entire distributional ranges, especially at range edges, will be essential to detect range shifts of fishes in response to climate change, we suggest careful co-opting of fisheries, museum and other regional databases as a potential, but imperfect alternative.

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Occurrence of tropical fishes in temperate southeastern Australia: Role of the East Australian Current

Cited by 173 publications

References 32 publications

The Future of Coral Reefs Subject to Rapid Climate Change: Lessons from Natural Extreme Environments

The Future of Coral Reefs Subject to Rapid Climate Change: Lessons from Natural Extreme Environments

Responses of Marine Organisms to Climate Change across Oceans

Detecting range shifts among Australian fishes in response to climate change

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