Biomass Modeling of Alnus nepalensis D. Don at Juvenile Stage

  • Shes Kanta Bhandari Lecturer at Institute of Forestry, Tribhuvan University
  • Himlal Neupane Forest Officer at Department of Forest, government of Nepal
Keywords: Alnus nepalensis, Biomass model, juvenile stage

Abstract

Juvenile stage plants contribute significant proportion of forest biomass and carbon depending on successional stage. Thus, the juvenile plants play a significant role in forest ecosystem and they cannot be neglected while estimating the total carbon stocks of the forest. Therefore this study was carried out develop juvenile biomass models. We measured diameter at 10 cm above ground level (D), total height (H) and total biomass (W) of Alnus nepalensis juveniles. We used least square regression technique to develop biomass models. The models were estimated using “library(minpack. lm)” in R. The estimated models were evaluated by using numerical fit statistics and graphical analyses. Among 136 different models tested, the model of the form: Wi= β0+β1(D2H) with explanatory variable D2H accounted for the largest proportion of biomass variations (R2adj = 0.97; RMSE = 42.34g; AIC=406.8.7) for individual Alnus nepalensis juveniles, and showed relatively better graphical appearance and biological logic.

DOI: http://dx.doi.org/10.3126/ctbijis.v2i1.10812

Crossing the Border: International Journal of Interdisciplinary Studies Vol.2(1) 2014: 47-60

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Author Biographies

Shes Kanta Bhandari, Lecturer at Institute of Forestry, Tribhuvan University

Shes Kanta Bhandari, a master’s degree in Forest Science from Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, India, is working as Lecturer at Institute of Forestry, Tribhuvan University Nepal. He teaches Forest Biometrics and Forest Mensuration at University. He has already been involved in several short term project related to forest measurement, biomass and carbon measurement, forest growth modeling etc and published related papers. Prior to this Mr. Bhandari worked as Forest based enterprise development officer at National Entrepreneurship Development Center.

Himlal Neupane, Forest Officer at Department of Forest, government of Nepal

Himlal Neupane, a master’s degree in Forest Science from Institute of Forestry, Tribhuvan University Nepal, is as Forest Officer at Department of Forest, government of Nepal. He leads forest conservation and management programs. He has more than 15 years of experience in forest conservation and management related work.

Published
2014-07-27
How to Cite
Bhandari, S., & Neupane, H. (2014). Biomass Modeling of Alnus nepalensis D. Don at Juvenile Stage. Crossing the Border: International Journal of Interdisciplinary Studies, 2(1), 47-60. https://doi.org/10.3126/ctbijis.v2i1.10812
Section
Articles