| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | All years |
---|---|---|---|---|---|---|---|
Fell field | 10 | 10 | 9 | 9 | 9 | 9 | 56 |
Dryas heath | 23 | 23 | 23 | 23 | 23 | 23 | 138 |
Cassiope heath | 45 | 45 | 45 | 45 | 45 | 45 | 270 |
Salix heath | 25 | 25 | 25 | 25 | 23 | 30 | 153 |
Grassland | 9 | 9 | 9 | 9 | 9 | 9 | 54 |
Fen | 0 | 0 | 32 | 32 | 24 | 24 | 112 |
All types | 112 | 112 | 143 | 143 | 133 | 140 | 783 |