State and trends of soil erosion by water and wind

Component
Summary
Grade
Very poor Poor Good Very good
Confidence
In Grade In Trend
Comparability
To previous years

Land management in the grazing and cropping lands is improving, although localised waterborne erosion continues

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Somewhat comparable

Land management in the grazing and cropping lands is improving, although localised erosion continues at unsustainable rates

Year(s): 
2011
3
Deteriorating
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Erosion continues to be a problem that threatens water quality and the Great Barrier Reef, although land management in the grazing and cropping lands is improving

Year(s): 
2016
2
Improving
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Somewhat comparable

Land management in the grazing and cropping lands is improving, although erosion continues at unsustainable rates

Year(s): 
2011
2
Improving
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

In the North Coast region of New South Wales, 80% of soil monitoring units report sheet erosion as an issue; 20% also report gully erosion as a problem

Year(s): 
2016
2
Stable
Confidence (in grade): 
Somewhat adequate
Confidence (in trend): 
Somewhat adequate
Comparability (to previous reports): 
Not comparable

Management of surface cover has improved in most areas, but erosion from less fertile grazing lands is significant

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Good, but 79% of soil monitoring units in the South East region of NSW report sheet erosion as an issue; 9% that gully erosion as a problem

Year(s): 
2016
3
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Diverse lands experienced severe gully and sheet erosion after clearing. Increasing extent of wildfire is likely to increase erosion

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Widespread hillslope erosion in the west and south-west due to wildfire, and under intensive agriculture in the north

Year(s): 
2016
2
Unclear
Confidence (in grade): 
Low
Confidence (in trend): 
Low
Comparability (to previous reports): 
Comparable

Unsustainable rates of erosion under intensive agriculture in the north, and widespread hillslope erosion in the west and south-west due to wildfire

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Largely undeveloped, but hillslope and gully erosion could increase with land clearing

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Hillslope erosion primarily in the east and south associated with clearing and grazing

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

In the Central West region of New South Wales, 25% of soil monitoring units report sheet erosion as an issue; 4% report gully erosion as a problem; 4% report wind erosion as a problem

Year(s): 
2016
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Somewhat comparable

Large and diverse province, with widespread wind erosion in the centre and west. Hillslope associated with grazing by stock and feral animals. Rate of erosion has slowed

Year(s): 
2011
2
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Extensive wind erosion but improving with increased surface cover

Year(s): 
2016
2
Improving
Confidence (in grade): 
Somewhat adequate
Confidence (in trend): 
Somewhat adequate
Comparability (to previous reports): 
Somewhat comparable

Extensive wind erosion associated mainly with dunefields. Increased surface cover has slowed previously severe erosion

Year(s): 
2011
2
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Good, but vulnerable to severe erosion as a result of intensity of rainfall

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Sheet and gully erosion in areas cleared for grazing or agriculture. Vulnerable to severe erosion due to intensity of rainfall and erodibility of the soils

Year(s): 
2011
3
Deteriorating
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Rates of sheet and gully erosion have slowed but remain unsustainable in areas with poor surface cover

Year(s): 
2016
2
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Fast rates of sheet and gully erosion have slowed, but remain unsustainable in areas with poor surface cover

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Erosion rates have slowed, particularly in the south-east of the province

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Erosion rates have slowed, particularly in the south-east of the province

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Good, but vulnerable to severe erosion as a results of intensity of rainfall

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Sheet and gully erosion in areas cleared for grazing or agriculture. Vulnerable to severe erosion due to intensity of rainfall and erodibility of soils

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Subject to wind erosion, with gully and sheet erosion in areas grazed by stock and feral animals

Year(s): 
2016
2
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Extensive wind erosion, with gully and sheet erosion in areas subject to grazing by stock and feral animals

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Probable wind and waterborne erosion in areas subject to grazing by stock and feral animals

Year(s): 
2016
3
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Gully and sheet erosion in areas subject to grazing by stock and feral animals

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Vulnerable to severe wind and waterborne erosion due to cyclones, and grazing by stock and feral animals

Year(s): 
2016
2
Unclear
Confidence (in grade): 
Very limited
Confidence (in trend): 
Low
Comparability (to previous reports): 
Somewhat comparable

Gully and sheet erosion in areas subject to grazing by stock and feral animals

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Vulnerable to moderate erosion due to weather activity, low ground cover and erodible soils

Year(s): 
2016
3
Stable
Confidence (in grade): 
Somewhat adequate
Confidence (in trend): 
Somewhat adequate
Comparability (to previous reports): 
Somewhat comparable

Gully and sheet erosion in areas subject to grazing by stock and feral animals

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Vulnerable to wind erosion due to low ground cover and erodible soils

Year(s): 
2016
2
Stable
Confidence (in grade): 
Somewhat adequate
Confidence (in trend): 
Somewhat adequate
Comparability (to previous reports): 
Somewhat comparable

Extensive wind erosion, particularly in the north

Year(s): 
2011
2
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Good ground cover reduces erosion hazard

Year(s): 
2016
3
Stable
Confidence (in grade): 
Somewhat adequate
Confidence (in trend): 
Somewhat adequate
Comparability (to previous reports): 
Somewhat comparable

Erosion rates are relatively stable, unless there is a loss of surface cover due to grazing or fire

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Diverse land uses, with a history of unsustainable rates of wind and water erosion, but improving under sustainable land management practices such as no-till agriculture

Year(s): 
2016
2
Improving
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Diverse lands with a history of unsustainable rates of wind and water erosion. Land management practices are improving

Year(s): 
2011
2
Improving
Confidence (in grade): 
Limited
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed
Metcalfe D, Bui E (2016). Land: State and trends of soil erosion by water and wind. In: Australia state of the environment 2016, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary/land/state-and-trends-soil-erosion-water-and-wind, DOI 10.4226/94/58b6585f94911