Growth and climate relationship in Cedrus deodara from Joshimath, Uttar Pradesh

Abstract

Tree-ring analysis of 12 cores of Cedrus deodara collected from Joshimath, Uttar Pradesh has shown clear annual rings with year to year high variability. The statistics of tree ring data exhibits mean sensitivity 0.317, standard deviation 0.33 and first order auto-correlation 0.312 indicating suitability for climatic analysis. Response function analysis reveals that the growth of this tree is inversely related to the maximum temperature of previous summer (July, August and September) and the current summer, but directly related with precipitation of March, April, July and August of the current year.