Table 3.
Changes in index class between the two NSI samplings by land use and first sampling index class. Note the Very Good class could only move to a lower class and the Degraded class to a higher one, but the Good and Moderate classes could move either up or down.
| Land use | Index class at first sampling | |||
|---|---|---|---|---|
| Very Good | Good | Moderate | Degraded | |
| Arable | ||||
| Number at first sampling | 129 | 70 | 90 | 215 |
| Number that changed class | 61 | 50 | 57 | 55 |
| % that changed class | 47 | 71 | 63 | 26 |
| Ley grass | ||||
| Number at first sampling | 128 | 60 | 43 | 53 |
| Number that changed class | 37 | 40 | 25 | 24 |
| % that changed class | 29 | 67 | 58 | 45 |
| Permanent grass | ||||
| Number at first sampling | 375 | 83 | 44 | 30 |
| Number that changed class | 86 | 51 | 25 | 18 |
| % that changed class | 23 | 61 | 57 | 60 |
| Woodland | ||||
| Number at first sampling | 61 | 16 | 14 | 7 |
| Number that changed class | 2 | 13 | 11 | 4 |
| % that changed class | 3 | 81 | 79 | 57 |