Exploration of Pinus roxburghii Sargent Dominated Communities in Maidan Valley, Dir (L), Khyber Pakhtunkhwa, Pakistan

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Research Paper 01/11/2018
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Exploration of Pinus roxburghii Sargent Dominated Communities in Maidan Valley, Dir (L), Khyber Pakhtunkhwa, Pakistan

Fayaz Ali, Jamil Ul Haq, Amir Abdullah Khan, Waqar Khan
Int. J. Biosci.13( 5), 168-177, November 2018.
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Density of Pinus roxburghii has been significantly reduced across its distribution ranges in the studied area due to natural and anthropogenic pressure in the near past. The present endeavor was undertaken to quantify the existing phyto-diversity from studied area during 2014-2016. Species and environmental data from 3 forests were documented by using measuring of 12 × 12 m2 quadrates. Total of 7 woody species were recorded belonging to six different families. On the basis of importance value index Pinus roxburghii was declared the leading tree species in all the 3 studies sites.  Eucalyptus camaldulensis was documented as co-dominant species in studied site-I, while other 2 sites were co-dominant by Pinus wallichiana. Studied site-II was recorded the most rich forest by having the value of 1350.0 for density/hac and 1000.1 for BAcm2/hac. All the studied forest were located on a gentle slope ranges from 13° to 21° within elevation range of 1826 m to 2000 m above the sea level. Dead loges and cut stumps in the study site shows that the forests are heavily exploited by anthropogenic and natural hazards. Our results suggest that both local and regional scale analyses are warranted to disentangle the vegetation-environment relationships, if the ultimate goal is to conserve these less disturbed, self-sustainable ecosystems.


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