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Carbon storage potential of agroforestry parklands in Cameroon

Abstract

This study assessed the carbon storage and CO2 sequestration potential of four agroforestry parklands in Cameroon. Data of vegetation, dead wood, herbs, litter, soils and fine roots were collected using systematic sampling methods, laying 192 quadrats each with 50m × 50m for trees and dead wood, 1m × 1m sub-quadrats for herbs, 0.5m × 0.5m sub-quadrats for litter biomass, 0.25 m × 0.25 m sub-quadrats for soil sample and volume of 0.2 m² × 0.2 m² ×3 m² for fine roots. Aboveground biomass carbon (AGC), belowground biomass carbon (BGC), Soil Organic Carbon (SOC), general carbon stock (TC) have been predicted the usage of allometric equations. The result reveals that, the general carbon stock followed this order: Adansonia digitata (142.50 ± 3.6 Mg C/ha) > Anogeissus leiocarpus (120.46 ± 2.01 Mg C/ha) > Pterocarpus lucens (88.57 ± 1.73 Mg C/ha) > Terminalia laxiflora (55.29 ± 0.84 Mg C/ha). The CO2eq sinks followed this order: Adansonia digitata (522.97 ± 13.32 Mg CO2/ha) > Anogeissus leiocarpus (442.08 ± 7.37 Mg CO2/ha) > Pterocarpus lucens (325.05 ± 6.34 Mg CO2/ha) > Terminalia laxiflora (202.91 ± 3.08 Mg CO2/ha).This study showed that the agroforestry parkland plays a role as a carbon sink.

Djongmo Victor Awé1*, Taiga Léa Kondasso2,Noumi Valery Noiha3,Bi Tra Aimé Vroh4,Moussa Ganame5

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