Abstract
The Northeastern hilly states of India harbor nearly 90 species of bamboos, 41 of which are endemic to the region. Estimation of C-storage and C-sequestration in aboveground biomass of two common bamboo species namely Bambusa tulda and Dendrocalamus longispathus was carried out in Mizoram-one of the eight states of Northeastern India. Recording of density of culms was done by quadrate method and harvesting of culms was done to estimate the aboveground biomass. C-storage in different components of the culms was found out for three age classes namely 1, 2 and ≥ 3 year old culms. Aboveground biomass ranged from 73.58 to 127 Mg/ha in Bambusa tulda and 115 to 150 Mg/ha in Dendrocalamus longispathus. Culm density and aboveground biomass were maximum in the ≥ 3 year age class in both the species. C-storage ranged from 36.34 to 64.00 Mg/ha in Bambusa tulda and 50.11 to 65.16 Mg/ha in Dendrocalamus longispathus. Although having lower aboveground biomass the rate of C-sequestration was higher in Bambusa tulda with 27.79 Mg/ha/year than Dendrocalamus longispathus which have 15.36 Mg/ha/year. The reason was attributed to higher increment of culm density and DBH of the older age class in the second year study period in Bambusa tulda.
Highlights
The Northeastern hilly states of India harbor nearly 90 species of bamboos, 41 of which are endemic to the region
Dendrocalamus longispathus (Kurz) Kurz. locally known as Rawnal is native to the present study area Mizoram one of the eight states of Northeastern India
Very less work on carbon storage and C-sequestration in aboveground biomass of Bambusa tulda and Dendrocalamus longispathus have been reported from the state
Summary
The Northeastern hilly states of India harbor nearly 90 species of bamboos, 41 of which are endemic to the region. Estimation of C-storage and C-sequestration in aboveground biomass of two common bamboo species namely Bambusa tulda and Dendrocalamus longispathus was carried out in Mizoramone of the eight states of Northeastern India. It can grow upto 12-20 m tall and prefers mostly steep slopes having 40–70% slope[4]. Very less work on carbon storage and C-sequestration in aboveground biomass of Bambusa tulda and Dendrocalamus longispathus have been reported from the state. The present work was undertaken to assess the C-storage in aboveground biomass of different age class of culms and capability of C-sequestration in the two types of bamboo species in order to provide a baseline information for future assessment
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