PJB-2017-574
Deforestation assessment using diameter, size, classes and distribution of trees in Haramosh, Central Karakoram National Park
Irfan Ali
Abstract
Present study was carried out from June 2014 to February 2015 in Haramosh valley of District Gilgit to investigate the size class structure of these important forests. This study showed that Pinups wallchiana was observed in total 8 stands. It was found the leading dominant in 4 stands with densities 222.7 stems ha-1, 143 stems ha-1, 95.56 stems ha-1 and 64.5 stems ha-1 respectively. It was observed second leading dominant species in 4 stands. Picea smithiana was observed the second dominant species as it appeared as pure in 2 stands and leading dominant in total 4 stands with 123.8 stems ha-1, 107.8 stems ha-1, 101.2 stems ha-1 and 79.7 stems ha-1 respectively. It was observed as second leading dominant in only 1 stand. Betula utilis was recorded in total three stands in which it was found as leading dominant in 2 stands and in other one stand, it is found as associated species with density 2.9 stems ha-1. Dbh size classes showed varied distribution patterns in different stands. Almost the entire stands showed gaps in their small and middle classes. Most of the anthropogenic disturbances i.e. cutting, overgrazing, burning, sliding, etc also discussed which were common in all stands.
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