Abstract
Doon valley is famous for monocultures of moist Sal resulted due to various silvicultural operations in the past. However, in recent years these forests were subjected to numerous anthropogenic perturbations, which have posed a great threat to their existence. In the present paper, we have analyzed the diversity and structure of moist Sal forests and compared them with the previous studies. After analyzing the results, we found that these forests are still dominated by the Sal tree. However, the structure of shrub and herb layers has been changed. These layers, once dominated by shade loving Clerodendrum viscosum, are now being dominated by xerophytic species like Mallotus philippensis, Litsea glutinosa, Flacourtia indica etc. The general diversity of tree, shrub and herb layers has increased in these forests and so is the heterogeneity.
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