Carbon dioxide emission from bamboo culms

Plant Biology
Jacob Zachariah ElavinamannilChakkalathundiyil Sasi Praveen Kumar

Abstract

Bamboos are one of the fastest growing plants on Earth, and are widely considered to have high ability to capture and sequester atmospheric carbon, and consequently to mitigate climate change. We tested this hypothesis by measuring carbon dioxide (CO2 ) emissions from bamboo culms and comparing with their biomass sequestration potential. We analyzed diurnal effluxes from Bambusa vulgaris culm surface and gas mixtures inside hollow sections of various bamboos by gas chromatography. Corresponding variations in gas pressure inside the bamboo section and culm surface temperature were measured. SEM micrographs of rhizome and bud portions of bamboo culms were also recorded. We found very high CO2 effluxes from culm surface, nodes and buds of bamboos. Positive gas pressure and very high concentration of CO2 were observed inside hollow sections of bamboos. The CO2 effluxes observed from bamboos is very high compared to their carbon sequestration potential. Our measurements suggest that bamboos are net emitters of CO2 during their lifespan. This article is protected by copyright. All rights reserved.

Citations

Sep 14, 2018·International Journal of Biometeorology·Peter G KevanRangarajan Sudarsan
Dec 5, 2019·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Agyemang Richard OseiFelix Kofi Abagale
Oct 17, 2020·TheScientificWorldJournal·Abolghassem EmamverdianZishan Ahmad

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