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Research Article Open access CC BY 4.0

Urban Green Spaces as Carbon Reservoirs: Floristic Diversity and Biomass Patterns in Yamoussoukro (Center-Côte d’Ivoire)

N’GOURAN Kobenan Pierre, ASSALE Adjo Annie Yvette, KOUMAN Kouame Jean-Marc, KONANDI Kouassi Ghislain Junior, BAMBA Issouf, Barima Yao Sadaiou Sabas

Annual Research & Review in Biology · pp. 73–82 · Published 8 Dec 2025

10.9734/arrb/2025/v40i122346

Abstract

This study assessed the floristic diversity and carbon storage capacity of four major urban green spaces in Yamoussoukro using 26 plots of 400 m² and allometric equations for biomass estimation. A total of 24 woody species belonging to 22 genera and 13 families were recorded, with introduced species representing 77% of individuals. Carbon stocks ranged from 35.1 to 130 t/ha, with the highest values associated with sites containing larger basal areas and mature trees. The findings demonstrate that vegetation structure and species composition-rather than green-space size-are the primary determinants of carbon sequestration in the city. These results underscore the importance of informed species selection and structural management to optimize the climate-regulating functions of urban green spaces.

Carbon urban green spaces floristic diversity biomass allometric equations Yamoussoukro

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