There are certain cartographic and technological limitations in the assessment of forest cover.
|Since the resolution of sensor LISS-III is 23.5 m the plantations along road, canal and railway line of a width less than the resolution are not recorded.|
|Considerable details on ground may be obscured in areas having clouds and shadows. It is difficult to interpret such areas without the help of collateral data.|
|The reflectance of young plantations with small crown and low chlorophyll content is not recorded by satellite sensors.|
|Gregarious occurrence of bushy vegetations and agricultural crops like lantana, tea and coffee poses problems in delineation of forests as their reflectance is similar to that of the forest.|
|Recorded forest areas cannot be delineated if their boundaries are unavailable.|
|Species composition is not identifiable with the images (of above mentioned resolution) used.|