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Erosion and soil productivity in Australia and New Zealand

โœ Scribed by H. E. Dregne

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
712 KB
Volume
6
Category
Article
ISSN
1085-3278

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โœฆ Synopsis

Soil erosion assumes a different form in Australia and New Zealand. Sheet, rill and gully erosion are common in eastern Australia and wind erosion in the dry cropland areas. In New Zealand, mass movement dominates the erosion landscape but other kinds, including wind erosion, do occur. It is unclear how much of the mass movement is a natural phenomenon and how much is human-induced. In either case, it causes long-term reductions in soil productivity. A landmark analysis of the soil productivity loss due to land degradation was conducted by the Australian state of New South Wales. Water erosion was a greater problem than wind erosion, but soil structure deterioration was more costly than either kind of erosion.

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