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Publication Date

7-17-2025

Urban ecosystems are integral to climate change mitigation through carbon sequestration. This study quantifies the carbon sequestration potential of 40 tree species at M.D. Science College, Porbandar, Gujarat, employing non-destructive methodologies. Key biometric parameters, including height, diameter at breast height (DBH), and biomass, were analysed to estimate carbon storage and CO₂ sequestration. The dataset reveals significant inter-species variations, with Ficus benghalensis leading in sequestration capacity, storing 1221.08 kg of carbon and sequestering 4476.84 kg of CO₂ per tree annually. Conversely, low biomass species such as Ziziphus mauritiana exhibit limited sequestration rates, highlighting a broad spectrum of ecological roles. tatistical analyses demonstrate moderate to strong correlations between DBH, biomass, and carbon sequestration rates, with DBH explaining up to 26.3% of variability in annual sequestration. Notably, tree count emerged as a strong predictor, accounting for 57.5% of sequestration variability, emphasizing the additive effect of increasing tree numbers. Collectively, the 516 trees on campus sequester an estimated 13,349.31 kg of CO₂ annually, underscoring the critical role of urban trees in mitigating atmospheric carbon levels. The findings advocate for integrating high-biomass, long-lived species in urban planning to enhance carbon offset, biodiversity conservation, and ecosystem services. This study provides actionable insights into urban forestry strategies for climate resilience, particularly in coastal semi-urban environments.

DOI

10.15365/cate.2025.180205

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