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CSIRO Marine and Atmospheric
Research
Past Seminars
Seminar Abstract
Friday 1 April 2005, 12.00 nn (Tas time)
CSIRO Auditorium, Hobart
via videoconference from CSIRO Cleveland to Hobart and Floreat
Dr Burke Hill
CSIRO Marine Research
Is there a future for sawfishes in northern Australia?
Sawfish are large – up to 4 m long – elasmobranchs.
Their most prominent feature is the large toothed saw which has attracted
interest and souvenir hunters for generations.
Until relatively recently, they were common in most tropical
and temperate seas. Over the past 30 to 50 years, their numbers have declined
dramatically and they are now extinct in many countries. Australia, especially
in the north, is the last area with substantial populations and we also
have several species. Even here however numbers are decreasing and their
range is shrinking. Sawfishes are captured incidentally in several fisheries
in northern Australia and they have also been targeted for their large
and valuable fins. Recent legislative measures appear to have provided
little protection.
This talk gives information about sawfishes in general and
more particularly from the Northern Prawn Fishery – one of the sources
of impact on remaining populations.
[Back to Seminars]
CSIRO = Marine Laboratories Auditorium, Castray Esplanade,
Hobart
For further information, or to schedule a seminar, contact:
Peter Oke,
(Oceanographic seminars) CSIRO Marine Research (03) 6232 5387
Piers Dunstan,
(Biological seminars) CSIRO Marine Research (03) 6232 5382
Katrina Nitschke,
Antarctic Climate and
Ecosystems CRC
(03) 6226 2265 & IASOS,
University of Tasmania (03) 6226 2509
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