Forest Cover Table
| 1991 Assessment | 1999 Assessment | Changes in forest cover | |||||||||||
| Name of Biosphere Reserve | Geographical Area | Dense Forest | Open Forest | Mangrove | Total | Dense Forest | Open Forest | Mangrove | Total | Dense Forest | Open Forest | Mangrove | Total |
| Great Nicobards(A&N) | 885.0 | 880 | 4 | 880 | 4 | - | |||||||
| Manas (Assam) | 2837.0 | 1600 | 171.8 | 1435 | 140.8 | (-)165 | (-)31 | - | |||||
| Nanda Devi (Uttranchal) | 2236.7 | 51.5 | 74.7 | 57.5 | 79.2 | (+) 6 | (+) 4.5 | - | |||||
| Nilgiri TN, Kerala & Karnataka | 5520.0 | 3216 | 1649 | 3348 | 1548 | (+) 132 | (-)101 | - | |||||
| Nokrek-Tura (Meghalaya) | 820.0 | 166 | 589 | 185 | 547 | .0 | (+) 19 | (-) 42 | - | ||||
| Sunderbans (West Bengal) | 9630 | 2119 | 2125 | (+) 6 | |||||||||
| Total | 2315.0 | (-) 8 | (-)169.5 | - | |||||||||