CARBON SEQUESTRATION POTENTIAL OF SELECTED ORNAMENTAL TREES IN ISAAC BORO PARK PORT HARCOURT

M. B. Ulolo, Simbi-Wellington W. S. and Nnadi P.C.

International Journal of Agriculture and Environmental Research, 2025, vol. 11, issue 05

Abstract: This research assessed the carbon sequestration potential of ornamental trees within Isaac Boro Park Port Harcourt. Data on tree height and diameter at breast height (DBH) were collected using the purposeful sampling technique with the aid of D-tape and digital clinometer. The allometric method was employed to estimate carbon sequestrated from the above and below ground biomass derived from tree height and DBH measurement. Eucalyptus camaldulensis, Peltophorum pterocarpum, and Delonix regia had the highest mean heights of 107.82m, 94.88m, and 52.84m, respectively, while Roystonia regia and Pinus caribaea recorded the least heights at 96.28m and 81.04m. Eucalyptus camaldulensis, Delonix regia, and Peltophorum pterocarpum recorded the highest mean DBH values of 85.40cm, 63.85cm, and 63.33cm, respectively, while Roystonia regia and Pinus caribaea had the lowest DBH 46.95cm and 45.33cm respectively. The below ground biomass was highest for Eucalyptus camaldulensis (144,426.58kg/m³), followed by Peltophorum pterocarpum and Delonix regia (67,511.34kg/m³ and 33,914.45kg/m³, respectively). Similarly, Eucalyptus camaldulensis recorded the highest above ground biomass (120,355.48kg/m³) and sequestered the highest carbon (160117.9221kg). Pinus caribaea and Roystonia regia sequestered the lowest carbon (38748.5775kg and 39823.7612kg respectively). This study provides valuable insights into the mean height, DBH, and carbon sequestration potential of ornamental trees in Isaac Boro Park Port Harcourt. Eucalyptus camaldulensis, Peltophorum pterocarpum, and Delonix regia should be integrated into urban forestry initiatives for dual benefits of beautification and climate mitigation.

Keywords: Environmental; Economics; and; Policy (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:ags:ijaeri:376221

DOI: 10.22004/ag.econ.376221

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