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Global warming and recurrent mass bleaching of corals
The distinctive geographic footprints of recurrent bleaching on the Great Barrier Reef in 1998, 2002 and 2016 were determined by the spatial pattern of sea temperatures in each year, suggesting that local protection of reefs affords little or no resistance to extreme heat.
Synchronous spawnings of 105 scleractinian coral species on the Great Barrier Reef
Multispecific synchronous spawning, or “mass spawning”, of scleractinian and some alcyonacean corals represents a phenomenon which is, so far, unique in both marine and terrestrial communities.
Mass Spawning in Tropical Reef Corals
- P. Harrison, R. Babcock, G. Bull, J. Oliver, C. Wallace, B. Willis
- Environmental ScienceScience
- 16 March 1984
Synchronous multispecific spawning by a total of 32 coral species occurred a few nights after late spring full moons in 1981 and 1982 at three locations on the Great Barrier Reef, Australia. The data…
Detection of spatial variability in relative density of fishes: comparison of visual census, angling, and baited underwater video
Comparing surveys of snapper Pagrus auratus and blue cod Parapercis colias conducted using 3 methods inside and outside the Cape Rodney-Okakari Point marine reserve in northeastern New Zealand indicates that methodological standardisation across all species is not always appropriate for environmental effects studies, and that different survey methods should be considered according to the biology and behaviour of the species of interest.
Changes in community structure in temperate marine reserves
Changes in community structure, which have persisted since at least 1994, demonstrate not only higher trophic complexity than anticipated in Australasian ecosystems but also increased primary and secondary productivity in marine reserves as a consequence of protection.
Decadal trends in marine reserves reveal differential rates of change in direct and indirect effects
- R. Babcock, N. Shears, G. Russ
- Environmental ScienceProceedings of the National Academy of Sciences
- 22 February 2010
Populations of directly targeted species were more stable in reserves than in fished areas, suggesting increased ecologic resilience, an important benefit of marine reserves with respect to their function as a tool for conservation and restoration.
COMPARATIVE DEMOGRAPHY OF THREE SPECIES OF SCLERACTINIAN CORALS USING AGE- AND SIZE-DEPENDENT CLASSIFICATIONS'
- R. Babcock
- Environmental Science
- 1 February 1991
Three species of massive reef-building coral, Goniastrea aspera, G. favulus, and Platygyra sinensis, were studied on two fringing reef flats in the central Great Barrier Reef from 1982 to 1984. Total…
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 baited underwater video system for the determination of relative density of carnivorous reef fish
The system configuration, deployment methods, testing and use of a remotely deployed baited underwater video (BUV) system for the survey of carnivorous reef fishes in marine reserves of northern New Zealand suggest that a combination of survey techniques is likely to be necessary where multispecies assemblages are being assessed.