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Table 8.8: Estimated incidence of soil degradation on agricultural land.
| Region | Erosion | Compaction | Nutrient decline | Contamination |
|---|---|---|---|---|
| Northland | local | local | widespread | probable |
| Auckand | negligible | local | local | probable |
| Waikato | negligible | local | local | probable |
| Bay of Plenty | negligible | negligible | local | probable |
| Gisborne | widespread | negligible | widespread | possible |
| Hawkes Bay | local | local | widespread | possible |
| Taranaki | local | negligible | local | probable |
| Manawatu-Wanganui | local | local | local | possible |
| Wellington | local | negligible | widespread | possible |
| Nelson-Marlborough | local | negligible | widespread | possible |
| West Coast | negligible | negligible | local | possible |
| Canterbury | widespread | local | widespread | probable |
| Otago | widespread | local | widespread | probable |
| Southland | local | local | local | probable |
Source: Clough and Hicks (1993)
Widespread: occurs in many parts of the region.
Local: occurs in several parts of the region.
Negligible: occurs in few parts of the region.
Probable: site-specific, probably more extensive than reported.
Possible: site-specific, possibly more extensive than reported.
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