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FLUXES OF CO2 IN SEMI ARID SUDAN Jonas Ard (1), Meelis Mlder (1), Bashir Awad El Tahir (2), Hatim Abdalla Mohammed
 

Summary: FLUXES OF CO2 IN SEMI ARID SUDAN
Jonas Ardö (1), Meelis Mölder (1), Bashir Awad El Tahir (2), Hatim Abdalla Mohammed
ElKhidir (2)
(1) Physical Geography and Ecosystems Analysis, Lund University, Sölvegatan 12, S-223 62
Lund Sweden
(2) El Obeid Agricultural Research and Technology Station P.O. Box 429, 51111, El Obeid
Sudan
Jonas.ardo@nateko.lu.se
Much global carbon cycle research has been focusing on forests, temperate and tropical, whereas
savannas have received less attention [1]. Savanna ecosystems cover a greater area than any
forest biome [2] and are due to losses of vegetation and soil organic carbon during the last
century a potential carbon sink [3, 4]. Taylor and Lloyd [5] estimated that 15% of the annual
global carbon sink might be attributable to savannas and seasonally dry tropical forest
ecosystems. Increased water use efficiency due to higher atmospheric CO2 content may further
enhance this potential [6].
According to Fluxnet (5 sep. 2005) there are currently five flux sites in Africa including
two woodland sites, two savanna sites and one grassland site (some more exists in the AMMA
project etc). One of these sites was recently established by us in central Sudan in the Sahel (13.3°
N, 30.5° E), a region where recent vegetation changes have been observed [7, 8] and modeled [9].
This project aims at providing information on carbon dynamics and ecosystem

  

Source: Ardö, Jonas - Department of Earth and Ecosystem Sciences, Lunds Universitet

 

Collections: Environmental Sciences and Ecology; Geosciences