Sessional Committee on Environment and Sustainable Development Written Submissions Received Volume 2 Issues associated with the progressive entry into the Northern Territory of Cane Toads October 2003
Tabled Paper 1123
Tabled Papers for 9th Assembly 2001 - 2005; Tabled papers for 9th Assembly 2001 - 2005; Tabled papers; ParliamentNT
Tabled by Delia Lawrie
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Environment Australia Part I Written Submissions Cane Toad Inquiry Report Volume 2 118 Taxa Location Agency/person responsible Type of study Status Notes edu.au ground cover/stem densities and hence the species that will be at risk. Frogs Sites within and close to the Darwin region Keith Christian, Jeanne Young & Lorrae McArthur, Faculty of Science NTU Keith.Christian@ntu.ed u.au Visual encounter and call surveys at specific field sites. In progress Visual encounter and call surveys at specific field sites. Data have been collected from September 2000 for pre cane toad estimates of the relative abundance of native species at several sites. Data will continue to be collected for this study until 2004 and will provide baseline data for a number of native species in the Darwin area. Dusky rats (Rattus colletti) Fogg Dam ,/ Adelaide River floodplain Thomas Madsen & Beata Ujvari, University of Sydney Thomas.Madsen@zoo ekol.lu.se Mark recapture study In progress Cane toads are suspected to become one of the major predators on these native rodents. Dusky rats are a predominant food item for many species of reptile including Water Pythons and a decline in rats may impact significantly on the floodplain fauna. File snakes (Achrocurdus arafurae) Djukbinj National Park / Adelaide River floodplain Thomas Madsen & Beata Ujvari, University of Sydney Thomas.Madsen@zoo ekol.lu.se Mark recapture studies and genetic studies In progress File snakes do not feed on amphibians, however, this taxon may become indirectly affected if their main prey (catfish) will be affected by the arrival of the toads. Water pythons (Liasis fuscus) Fogg Dam Thomas Madsen & Beata Ujvari , University of Sydney Thomas.Madsen@zoo ekol.lu.se Mark recapture study In progress Water pythons will most likely not feed on cane toads but this taxon may be strongly affected by a decline in dusky rats due to toad predation (see above). Snakes and frogs Fogg Dam Rick Shine & Greg Brown, University of Sydney, 02 93512222 firstname.lastname@example.org Long term surveys and mark recapture studies. In progress Long-term surveys and mark recapture studies of water pythons (Liasis fuscus), keelbacks (Tropidonophis mairii) and slatey-grey snakes (Stegonotus cucullatus). Also have longterm data from nightly surveys on abundances of other snakes, and native frogs. Terrestrial fauna (skinks, frogs, small mammals, birds) Kakadu National Park John Woinarski & Michelle Watson, Parks and Wildlife NT John.Woinarski@nt.go v.au Rod Kennett Kakadu NP Rod.Kennett@ea.gov.a u Small mammal trapping, pitfall trapping, spotlight counts and bird counts In progress Reports being provided to Parks Australia under consultancy arrangements.
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