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This profile was last updated on 3/25/10  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. Ron Thresher

Wrong Dr. Ron Thresher?

Employment History

  • Researcher
    Industrial Research Organization
  • Fisheries Biologist
    Industrial Research Organization
  • Affiliate
  • Marine Ecologist
  • Project Leader
  • Foundation Head
    CSIRO Centre for Research on Introduced Marine Pests

Board Memberships and Affiliations


  • Ph.D. , fish behavior and ecology
    University of Miami
74 Total References
Web References
CSIRO - Marine Climate Impacts and Adaptation, 25 Mar 2010 [cached]
Ron Thresher | profile CSIRO - Marine Climate Impacts and Adaptation
CSIRO logo
Ron Thresher
Profile : Ron Thresher Research Scientist
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 ..., 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.
"There's no question that the ..., 30 April 2007 [cached]
"There's no question that the shallow-water fish are tracking our local version of global climate warming," said Tasmania, Australia-based Ronald Thresher, a fisheries biologist with the Commonwealth Scientific and Industrial Research Organization.
The faster growth, he added, could make the near-surface fish more resilient to overfishing. (Related: "Warming Oceans Put Kink in Food Chain, Study Says" [January 30, 2007].)
By contrast, deepwater fish are growing 20 to 30 percent slower than they were 50 years ago. Their slowing growth rates correlate with a long-term cooling of the deep waters.
The cause of the cooling trend is unclear. But analysis of deepwater corals suggests it has been going on for centuries and may be independent of global warming, Thresher said ... "
The unpredicted benefit to global warming.
CSIRO - Marine Climate Impacts and Adaptation, 20 Jan 2015 [cached]
Ron Thresher
Ron Thresher[profile]
"Generally, cold-blooded animals respond ..., 19 April 2011 [cached]
"Generally, cold-blooded animals respond to warming conditions by increasing growth rates as temperatures rise," said CSIRO marine ecologist Dr Ron Thresher, a co-author of the study with colleagues from the University of Tasmania's Institute for Marine and Antarctic Studies. "But theory and laboratory studies show that this has a limit. As temperatures get too high, we begin to see increased signs of stress, possibly eventually leading to death. We are looking at whether climate change is beginning to push fish past their physiological limits. "By examining growth across a range that species inhabit, we found evidence of both slowing growth and increased physiological stress as higher temperatures impose a higher metabolic cost on fish at the warm edge of the range," Dr Thresher said. "In this case, off northern New Zealand, ocean warming has pushed the banded morwong - which inhabits temperate reefs in waters 10-50m deep - past the point where increasing temperatures are beneficial to growth." Dr Thresher said climate change can affect species directly by influencing how their bodies function, their growth and behaviour and indirectly through environmental effects on ecosystems.
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