Increasing ocean temperatures allow tropical fishes to survive overwinter in temperate waters

Figueira, Will F.; Booth, David J.

doi:10.1111/j.1365-2486.2009.01934.x

Cited by 218 publications

(178 citation statements)

References 49 publications

(51 reference statements)

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“…Similar trends were recorded in the Caribbean species Acropora palmata, which is expanding its geographic distribution ranges northward along the Florida Peninsula and into the northern Gulf of Mexico, concurrent with increasing seawater temperatures [14,15]. These natural coral range expansions allow reef dwelling invertebrates [16] as well as reef fish species [17] to extend their distribution ranges northward as well. These expansions may somehow be considered a mitigation of the impacts of global changes.…”

Section: −1supporting

confidence: 57%

Climate Change and Active Reef Restoration—Ways of Constructing the “Reefs of Tomorrow”

Rinkevich

2015

JMSE

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Abstract:The continuous degradation of coral reef ecosystems on a global level, the disheartening expectations of a gloomy future for reefs' statuses, the failure of traditional conservation acts to revive most of the degrading reefs and the understanding that it is unlikely that future reefs will return to historic conditions, all call for novel management approaches. Among the most effective approaches is the "gardening" concept of active reef restoration, centered, as in silviculture, on a two-step restoration process (nursery and transplantation). In the almost two decades that passed from its first presentation, the "gardening" tenet was tested in a number of coral reefs worldwide, revealing that it may reshape coral reef communities (and associated biota) in such a way that novel reef ecosystems with novel functionalities that did not exist before are developed. Using the "gardening" approach as a climate change mediator, four novel ecosystem engineering management approaches are raised and discussed in this article. These include the take-home lessons approach, which considers the critical evaluation of reef restoration outcomes; the genetics approach; the use of coral nurseries as repositories for coral and reef species; and an approach that uses novel environmental engineering tactics. Two of these approaches (take-home lessons and using coral nurseries as repositories for reef dwelling organisms) already consider the uncertainty and the gaps in our knowledge, and they are further supported by the genetic approach and by the use of novel environmental engineering tactics as augmenting auxiliaries. Employing these approaches (combined with other novel tactics) will enhance the ability of coral reef organisms to adaptably respond to climate change.

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Section: −1supporting

confidence: 57%

Climate Change and Active Reef Restoration—Ways of Constructing the “Reefs of Tomorrow”

Rinkevich

2015

JMSE

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“…Continued dietary assessments are potentially very important in order to evaluate likely impacts associated with changes in prey abundance and distribution related to warming oceans (e.g. Figueira & Booth, 2010). For example, fish are expected to show spatial (both horizontal and vertical) shifts in distribution associated with changes in temperature regimes (Perry et al, 2005), potentially forcing their predators to alter their diets and/or foraging strategies.…”

Section: Discussionmentioning

confidence: 99%

An Assessment of Spatial and Temporal Variation in the Diet of Cape Clawless Otters (Aonyx capensis) in Marine Environments

Jordaan

McIntyre

Somers

et al. 2015

African Journal of Wildlife Research

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We studied the diet of Cape clawless otters (Aonyx capensis) at three sites along the eastern and southern coast of South Africa to assess possible spatial variation along a community species richness and biomass gradient associated with rocky shores. A total of 309 spraints representing two seasons (summer 2013/2014 and winter 2014) were collected and subsequently analysed. The percentage occurrence and percentage dry mass of numerous prey categories were compared between sites and seasons. Variation in the importance of prey items was found between sites, whilst no variation was found between seasons within the same site. Crab was the most important prey item in the southernmost study area (Tsitsikamma National Park) and at the northernmost study site (KwaZulu-Natal Coast), whilst lobster was the most important prey item in the central area (Mkambati Nature Reserve). Fish was the second most important prey item at all three sites. Our results suggest that otters are opportunistic feeders that are likely able to adapt to potential prey species and abundance changes associated with current and future anthropogenically driven changes. Furthermore, long-term, site-specific stability in diet suggests that monitoring the diet of otters could provide some useful information on the status of shoreline communities.

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“…Figueira and Booth 2010). Projections of an average 28C rise in winter water temperatures off the south-eastern Australian coast by 2080 suggest that overwintering may be a regular occurrence for a suite of coral reef fishes by then, with consequent range shifts likely.…”

Section: Water Temperaturementioning

confidence: 99%

Detecting range shifts among Australian fishes in response to climate change

Booth

Bond

Macreadie

2011

Mar. Freshwater Res.

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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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Increasing ocean temperatures allow tropical fishes to survive overwinter in temperate waters

Cited by 218 publications

References 49 publications

Climate Change and Active Reef Restoration—Ways of Constructing the “Reefs of Tomorrow”

Climate Change and Active Reef Restoration—Ways of Constructing the “Reefs of Tomorrow”

An Assessment of Spatial and Temporal Variation in the Diet of Cape Clawless Otters (Aonyx capensis) in Marine Environments

Detecting range shifts among Australian fishes in response to climate change

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