Department of Sustainability, Environment, Water, Population and Communities Annual Report 2011–12


Appendix D: Key threatening processes and threat abatement plans



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Appendix D: Key threatening processes and threat abatement plans


Table D18: Key threatening processes and threat abatement plans

Key threatening process

Date of effect

Threat abatement plan required?

Approved threat abatement plan

Competition and land degradation by rabbits

16 July 2000

Yes

2008

Competition and land degradation by unmanaged goats

16 July 2000

Yes

2008

Dieback caused by the root-rot fungus (Phytophthora cinnamomi)

16 July 2000

Yes

2001*

Incidental catch (bycatch) of sea turtles during coastal otter-trawling operations within Australian waters north of 28 degrees south

4 April 2001

No




Incidental catch (or bycatch) of seabirds during oceanic longline fishing operations

16 July 2000

Yes

2006

Infection of amphibians with chytrid fungus resulting in chytridiomycosis

23 July 2002

Yes

2006

Injury and fatality to vertebrate marine life caused by ingestion of, or entanglement in, harmful marine debris

13 August 2003

Yes

2009

Invasion of northern Australia by gamba grass and other introduced grasses

16 September 2009

Yes**




Land clearance

4 April 2001

No




Loss and degradation of native plant and animal habitat by invasion of escaped garden plants, including aquatic plants

8 January 2010

No+




Loss of biodiversity and ecosystem integrity following invasion by the yellow crazy ant (Anoplolepis gracilipes) on Christmas Island, Indian Ocean

12 April 2005

No#

2006#

Loss of terrestrial climatic habitat caused by anthropogenic emissions of greenhouse gases

4 April 2001

No




Predation by European red fox

16 July 2000

Yes

2008

Predation by exotic rats on Australian offshore islands of less than 1000 square km (100 000 hectares)

29 March 2006

Yes

2009

Predation by feral cats

16 July 2000

Yes

2008

Predation, habitat degradation, competition and disease transmission by feral pigs

6 August 2001

Yes

2005

Psittacine circoviral (beak and feather) disease affecting endangered psittacine species

4 April 2001

Yes

2005

The biological effects, including lethal toxic ingestion, caused by cane toads (Bufo marinus)

12 April 2005

Yes

2011

The reduction in the biodiversity of Australian native fauna and flora due to the red imported fire ant, Solenopsis invicta (fire ant)

2 April 2003

No#

2006#

* This threat abatement plan was disallowed in the Senate on 17 November 2009. Until such time as a new or revised plan is made, the 2001 threat abatement plan remains in place. A revised draft plan is under development.

** A threat abatement plan to reduce the impacts on northern Australia’s biodiversity by the five listed grasses is under development

The department provides an annual report to the Threatened Species Scientific Committee on the implementation of the Australian Weeds Strategy and additional measures that abate this key threatening process

Both of these key threatening processes are covered by the 2006 threat abatement plan: ‘The impacts of tramp ants on biodiversity in Australia and its territories’.





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