Territory Stories

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

Details:

Title

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

Other title

Tabled Paper 1123

Collection

Tabled Papers for 9th Assembly 2001 - 2005; Tabled papers for 9th Assembly 2001 - 2005; Tabled papers; ParliamentNT

Date

2003-10-16

Description

Tabled by Delia Lawrie

Notes

Made available by the Legislative Assembly of the Northern Territory under Standing Order 240. Where copyright subsists with a third party it remains with the original owner and permission may be required to reuse the material.

Language

English

Subject

Tabled papers

File type

application/pdf

Use

Copyright

Copyright owner

See publication

License

https://www.legislation.gov.au/Series/C1968A00063

Parent handle

https://hdl.handle.net/10070/307061

Citation address

https://hdl.handle.net/10070/346011

Page content

Written Submissions Environment Australia Part I Volume 2 Cane Toad Inquiry Report 121 Taxa Location Agency/person responsible Type of study Status Notes Quolls Kakadu National Park Meri Oakwood Uni of New England envirotek@hot.net.au Rod Kennett Kakadu NP Rod.Kennett@ea.gov.a u Density estimates and radio telemetry In progress Two sites (EAR and MRR) selected. Monitoring of toad invasion at MRR occurred over 2001/2002 wet season. Substantial declines in quolls reported at the MRR site following toad arrival. Freshwater crocodiles and fish McKinlay River Grahame Webb Wildlife Management International gwebb@wmi.com.au Mark recapture study In progress Original survey and estimates from 1980s compared to recent survey results pre and post toads will provide estimates of changes in densities and mortality rates. Will also be able to quantify changes in varanid predation rates on freshwater crocodile eggs as toads arrive. Also examining distribution of fish species in billabongs from 1978 onward so should be able to quantify losses. Freshwater turtles (Chelodina rugosa and Elseya dentata) Near Darwin Tony Griffiths and Peter Whitehead KCTWM - NTU tony.griffiths@ntu.edu.. au Rod Kennett Kakadu NP Rod.Kennett@ea.gov.a u Mark recapture In progress and planning Original survey and estimates from 1980s compared to recent survey results pre and post toads will provide estimates of changes in densities and mortality rates Freshwater turtles (Chelodina rugosa) Maningrida and surrounding floodplains Uni Canberra/NTU Arthur Georges Damien Fordham georges@aerg.canberr a.edu.au fordham@aerg.canberr a.edu.au Mark recapture and harvest rates by Aboriginal hunters In progress Provide data on population changes and impacts on Aboriginal hunting success. Toad prey species Kakadu National Park Anne Ferguson Kakadu NP Anne.Ferguson@ea.go v.au Mark recapture In progress Toads stomachs sampled monthly ATTACHMENT F Summary of the Current CSIRO Biological Control Research Program The basic principle underlying the CSIRO research relate to differences in some of the key body systems between the adult cane toad and the tadpole. The immune system, digestive system and blood system are all very different between the adult and tadpole. This indicates that genes exist that are critical to triggering the metamorphosis from one stage to the next. By selecting and expressing one such adult gene early in the tadpole stage, the tadpoles system should see it as a foreign entity and initiate an immune response


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