A Survey of Soil Erosion in Australia using Caesium-137

A Survey of Soil Erosion in Australia using Caesium-137

A survey of soil erosion was conducted in Australia using the fallout radioisotope caesium‐137 as an indicator of topsoil redistribution. Two hundred and six sites were sampled, 100 within rotational cropping and horticultural use, 52 within uncultivated permanent pasture and forest, and 54 in range...

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Veröffentlicht in:Australian geographical studies 2004-07, Vol.42 (2), p.221-233
Hauptverfasser: Loughran, R.J., Elliott, G.L., McFarlane, D.J., Campbell, B.L.
Format: Artikel
Sprache:eng
Schlagworte:
Agriculture
Australia
Australia: Description and travel
Australian States and Northern Territory
caesium-137
Ecology
Environmental controls
Forests
Geography
Grazing
Land resources
Land use
Mathematical models
Natural resources
Soil erosion
Soils
Surveys
Topsoil redistribution
Uncultivated pasture
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Beschreibung
Zusammenfassung:A survey of soil erosion was conducted in Australia using the fallout radioisotope caesium‐137 as an indicator of topsoil redistribution. Two hundred and six sites were sampled, 100 within rotational cropping and horticultural use, 52 within uncultivated permanent pasture and forest, and 54 in rangelands. Average net soil losses were approximately equal for cultivated cropping lands and rangelands (ca. 5.5 t ha−1 yr−1), and just over 1 t ha−1 yr−1 for pasture and forest. The Mann Whitney U Test revealed that losses under cropping and rangeland conditions were significantly higher (p 
ISSN:0004-9190
1467-8470
DOI:10.1111/j.1467-8470.2004.00261.x