Development of Allometric Model for Estimating Biomass and Carbon Storage of Hybrid Eucalyptus (E. grandis x E. urophylla) in Industrial Plantation Forests of North Sumatra Province

Authors

  • Ronald Hot Marnaek Tropical Biodiversity Conservation Study Program, Faculty of Forestry and Environment, IPB University
  • Yudi Setiawan Department of Forest Resources Conservation and Ecotourism, Faculty of Forestry and Environment, IPB University; Center for Environmental Research, IPB University
  • Rachmad Hermawan Department of Forest Resources Conservation and Ecotourism, Faculty of Forestry and Environment, IPB University
  • Muhdin Department of Forest Management, Faculty of Forestry and Environment, IPB University

DOI:

https://doi.org/10.23960/jsl.v12i3.951

Abstract

Hybrid eucalyptus (E. grandis × E. urophylla) plays an important role in the global carbon cycle because it grows so fast that it is necessary to know how much biomass and carbon are produced. This study aims to develop an allometric equation for estimating the biomass and carbon content stored in Eucalyptus stands. Data were obtained through destructive sampling of 75 trees, then dried in an oven and analyzed to get the most appropriate biomass value and allometric model. The study results showed that the developed polynomial model correlated well with DBH to predict biomass with an R-squared of 97.50. Age 1 with an average diameter of 3.23 cm = 2.50 tons C/ha or 9.17 tons of CO2e, age 2 with an average diameter of 9.33 = 21.30 tons C/ha or 78.16 tons CO2e, age 3 with an average diameter of 9.49 cm = 22.50 tons C/ha or 82.57 tons CO2e, age 4 with an average diameter of 11.62 cm = 38.61 tons C/ha or 141.68 tons CO2e, age 5 with an average diameter of 12.63 cm = 46.42 tons C/ha or 170.37 tons CO2e. The carbon stock results show that as the age of the stand increases, the carbon reserves stored also increase.

Keywords: allometric model, biomass, carbon stock, hybrid eucalyptus

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Published

25-10-2024

How to Cite

Marnaek, R. H., Setiawan, Y., Hermawan, R., & Muhdin. (2024). Development of Allometric Model for Estimating Biomass and Carbon Storage of Hybrid Eucalyptus (E. grandis x E. urophylla) in Industrial Plantation Forests of North Sumatra Province. Jurnal Sylva Lestari, 12(3), 948–961. https://doi.org/10.23960/jsl.v12i3.951

Issue

Vol. 12 No. 3 (2024): September

Section

Articles

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Copyright (c) 2024 Ronald Hot Marnaek, Yudi Setiawan, Rachmad Hermawan, Muhdin

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