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This profile was last updated on 2/24/15  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. Ron Thresher

Wrong Dr. Ron Thresher?

Affiliate

Phone: +61 *********
Local Address: Hobart, Tasmania, Australia
CSIRO
Clunies Ross St
Black Mountain , Australian Capital Territory 2601
Australia

Company Description: CSIRO (http://www.csiro.au) is Australia's Commonwealth Scientific and Industrial Research Organisation. As one of the world's largest and most diverse scientific...   more
Background

Employment History

  • Project Leader
    CSIRO
  • Foundation Head
    CSIRO
  • Researcher
    Industrial Research Organization
  • Fisheries Biologist
    Industrial Research Organization

Board Memberships and Affiliations

Education

  • Ph.D. , fish behavior and ecology
    University of Miami
72 Total References
Web References
ENVIRONMENT: Research in Depth
www.solve.csiro.au, 24 Feb 2015 [cached]
Of particular technical interest is the way the team - led by CSIRO's Dr Ron Thresher and comprising scientists from CSIRO, the Antarctic Climate and Ecosystems Cooperative Research Centre, the Woods Hole Oceanographic Institute and the California Institute of Technology - went about its work.
Drawing on microanalysis capability at CSIRO Minerals, Dr Thresher's team applied an established (albeit continually improving) technology in a new way.
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Dr Thresher started his microanalysis work in marine applications about 15 years ago in response to what he says was a dearth of historical information about the deep ocean. He could see the potential of microanalysis in helping create a picture of deep-water conditions going back centuries.
One of the objectives of Dr Thresher's deep-sea coral research was simply to help 'calibrate' existing climate change models.
"People were building all sorts of complicated models showing how water mass distribution was going to vary as a result of climate change, but there was very little information to tell us whether these models were 'real' or accurate," Dr Thresher says. "Without this sort of work, it's extremely difficult to tell whether the information we currently have relates to natural (climate) cycles, or whether it's the result of other factors."
By studying growth rings on coral collected off the south-east coast of Tasmania, the team was able to unlock details of water temperature and salinity level variations over the course of the corals' lifetime. The corals were, in a sense, living time capsules, revealing to the team secrets from centuries past.
The first thing Dr Thresher's work showed was that the corals were much longer-lived than previously thought, with some predating European settlement. He says this discovery has a bearing on the management of the coral reefs themselves: "Given its age, the coral isn't going to come back quickly if there's any damage done to it."
Perhaps more significantly, the work also shows there has been a one to one-and-a-half degree temperature change deep in the Southern Ocean over the past 400 years.
"This might not sound like much," Dr Thresher says, "but when you consider that the temperature range at these depths (about 1000 metres) is only very small (from four to six degrees), what we're looking at is a very major change."
So, what does this tell us about global warming? "Well we're still working on that," Dr Thresher says.
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Dr Thresher believes that studying corals from other parts of the world will give him a much clearer picture of what's going on.
CSIRO - Marine Climate Impacts and Adaptation
www.cmar.csiro.au, 20 Jan 2015 [cached]
Ron Thresher
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Ron Thresher[profile]
CSIRO - Marine Climate Impacts and Adaptation
www.cmar.csiro.au, 15 Feb 2011 [cached]
Lead Ron Thresher Management implications of climate change effects on fisheries in Western Australia.
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Project leader: Ron Thresher (CSIRO)
CSIRO - Marine Climate Impacts and Adaptation
www.cmar.csiro.au, 25 Mar 2010 [cached]
Ron Thresher | profile CSIRO - Marine Climate Impacts and Adaptation
CSIRO logo
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Ron Thresher
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Profile : Ron Thresher Research Scientist
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Ron is a marine ecologist with diverse interests, ranging from effects of climate on recruitment variability of inshore fish and crustaceans and management of invasive species to use of deep-sea corals as indicators of paleo-climate and oceanography. He got his Ph.D. in fish behavior and ecology at the University of Miami, and did post-doctoral work at Scripps Institution of Oceanography and the University of Sydney. He joined the Australian Commonwealth Scientific and Industrial Research Organization in 1983. He was the foundation head of the CSIRO Centre for Research on Introduced Marine Pests (CRIMP) and since 1997, he has lead a project aimed at developing genetic technologies for controlling introduced pest species (with a particular emphasis on carp). He has had a long interest in the use of the chemical composition of otoliths ("ear stones") in fish as possible markers of their movements and ecology, and recently broadened that interest to include analysis of the similar composition of deep-sea corals as indicators of long-term changes in ocean conditions and its implications for both understanding climate variability, the biodiversity and ecology of marine organisms and the viability of deep-sea reef communities.
Commonwealth Scientific and ...
www.azstarnet.com, 7 May 2007 [cached]
Commonwealth Scientific and Industrial Research Organization researcher Ron Thresher said this trend could have huge implications for the long-term sustainability of the marine ecosystem."Eventually (marine life) will reach a point where they can't cope," Thresher said.
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