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Vol. 2, Issue 9, Part G (2016)
Phytodiversity and carbon stock in Sudanian savannahs zone of Tandjile-East of Chad
Phytodiversity and carbon stock in Sudanian savannahs zone of Tandjile-East of Chad
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Abstract
The Sudanian savannahs of the Tandjile - East are fragile and vulnerable. They face severe threats from land use change, unsustainable exploitation of natural resources, desertification and climate change. In this perspective, the objective of the study is to understand the plant diversity and epigeal carbon storage of the Sudanian savannahs of the Tandjile - East. It can be a good step towards their management for the delivery of diverse ecosystem services. A total of 90 plots of 2500 m2 each in three types of vegetation were established and all trees and shrubs were recorded (>10 cm). Tree biomass was estimated in the basis of diameter at breast height (dbh) while the understorey biomass using destructive method.
The Sudanian savannahs of the Tandjile - East are fragile and vulnerable. They face severe threats from land use change, unsustainable exploitation of natural resources, desertification and climate change. In this perspective, the objective of the study is to understand the plant diversity and epigeal carbon storage of the Sudanian savannahs of the Tandjile - East. It can be a good step towards their management for the delivery of diverse ecosystem services. A total of 90 plots of 2500 m2 each in three types of vegetation were established and all trees and shrubs were recorded (>10 cm). Tree biomass was estimated in the basis of diameter at breast height (dbh) while the understorey biomass using destructive method.
A total of 2840 trees were measured belonging to 46 species, 28 genera and 21 families. The richest family is Fabaceae (Fiv, 46.35%) follow by Combretaceae (13.70%) and Moraceae (12.71%). The analysis of species diversity indexes shows a relative important biodiversity and the vegetation structure showed a high occurrence of average diameter of plant species. Shannon index varied from 3.68±0.206 bits to 3.80±0.24 bits whereas Simpson index oscillated between 0.961±0.008 and 0.977±0.01. The mean aboveground carbon stock varies from 13.28±1.32 tC/ha in shrubby savannah to 17.52 ± 2.76 tC/ha to dry forest. The total death aboveground carbon stock ranges from 5.25 ± 2.23 tC/ha in the shrubby savannah to 13.96 ± 2.31tC/ha in dried forest. These results will help in developing reliable REDD+ mechanisms in Chad.
Pages: 455-460 | 1489 Views 185 Downloads
How to cite this article:
Dona Adoum, Mapongmetsem Pierre Marie, Dongock Nguemo Delphine, Pamboudem Ndam Aichatou, Fawa Guidawa, Aoudou Doua Sylvain. Phytodiversity and carbon stock in Sudanian savannahs zone of Tandjile-East of Chad. Int J Appl Res 2016;2(9):455-460.
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