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Age and growth rate studies of Cedrus deodara (Roxb. ex D. Don) around Kashmir point Reserve Forest of Tehsil Murree

By: Sohaib Muhammad, Muhammad Tayyab, Zaheer-ud-din Khan, Sarah Maryam Malik, Nimra Akram

Key Words: Dendrochronology, Kashmir point, Cedrus deodara, Velmex, Regression

Int. J. Biosci. 15(3), 458-465, September 2019.

DOI: http://dx.doi.org/10.12692/ijb/15.3.458-465

Certification: ijb 2019 0351 [Generate Certificate]

Abstract

This research is focused on Age and growth rate studies of Cedrus deodara around Kashmir Point Reserve Forest. Fifty nine cores were extracted from this forest and in some trees two cores per tree were also taken, having large diameter. Velmex Measuring System was used in cross dating of each sample. Some samples were with cracks, scars, thin-skinned rings and wounds, which can be due to a variety of events like fire, earthquakes, land sliding, insect attack etc. The maximum age of tree observed was 321 years and minimum was 43 years. Slow development (narrow rings) and rapid development (wide rings) of samples were also recorded. Most of the species were more than 150 years of age. Average growth rate was determined. Highest average growth rate was 6.39mm per year. Regression analysis was studied between Age/Dbh. Regression analysis graph between Age and Dbh showed linear line. Moreover, regression drawn between Age and Dbh was (y=5.070x+20.23) and (R2=0.868) in first stand, (y=8.393x-24.70) and (R2=0.429) in second stand, (y=6.637x+12.55) and (R2=0.519) in third stand. So the maximum value observed was in in first stand which showed better correlation as compared to rest of stands.

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Age and growth rate studies of Cedrus deodara (Roxb. ex D. Don) around Kashmir point Reserve Forest of Tehsil Murree

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Sohaib Muhammad, Muhammad Tayyab, Zaheer-ud-din Khan, Sarah Maryam Malik, Nimra Akram.
Age and growth rate studies of Cedrus deodara (Roxb. ex D. Don) around Kashmir point Reserve Forest of Tehsil Murree.
Int. J. Biosci. 15(3), 458-465, September 2019.
https://innspub.net/ijb/age-growth-rate-studies-cedrus-deodara-roxb-ex-d-don-around-kashmir-point-reserve-forest-tehsil-murree/
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