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Distribution relative abundance and risks from fisheries to threatened Glyphis sharks and sawfishes in northern Australia

Field, Iain C., Tillett, Bree J., Charters, R., Johnson, Grant J., Buckworth, Rik C., Meekan, Mark G. and Bradshaw, Corey J. A. (2013). Distribution relative abundance and risks from fisheries to threatened Glyphis sharks and sawfishes in northern Australia. Endangered Species Research,21(2):171-180.

Document type: Journal Article
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IRMA ID 82057923xPUB635
Title Distribution relative abundance and risks from fisheries to threatened Glyphis sharks and sawfishes in northern Australia
Author Field, Iain C.
Tillett, Bree J.
Charters, R.
Johnson, Grant J.
Buckworth, Rik C.
Meekan, Mark G.
Bradshaw, Corey J. A.
Journal Name Endangered Species Research
Publication Date 2013
Volume Number 21
Issue Number 2
eISSN 1613-4796
Start Page 171
End Page 180
Total Pages 10
Place of Publication Germany
Publisher Inter-Research
HERDC Category C1 - Journal Article (DIISR)
Abstract Glyphis sharks and pristid sawfishes are globally threatened. While some populations still exist in northern Australia, their distributions are poorly quantified. We used catch records from commercial fisheries and independent surveys to estimate the broad distribution and relative abundances of 2 Glyphis sharks (G. glyphis and G. garricki) and 4 pristid sawfishes (Pristis pristis, P. zijsron, P. clavata and Anoxypristis cuspidata) along the coast, estuaries and river systems of the Northern Territory, Australia. Coarse-scale catch data and records from commercial fishing logbooks that report encounters with Threatened, Endangered and Protected species confirm that small, fragmented populations are distributed across the Northern Territory coastline and suggest limited fishery interactions, although underreporting might occur.
Keywords Sharks
Habitat
Fishing
Conservation
Management
Pristis spp.
Anoxypristis spp.
DOI http://dx.doi.org/10.3354/esr00513   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Additional Notes Copyright © 2013 Inter-Research
 
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