“EFFECT OF TREE SPECIES, TREE VARIABLES AND TOPOGRAPHY ON CO2 CONCENTRATION IN BADOUS RIVERINE FOREST RESERVE – BLUE NILE, SUDAN”. University of Kordofan Journal of Natural Resources & Enviromental Studies, vol. 5, no. 01, Dec. 2025, pp. 1-12, https://journals.kordofan.edu.sd/jr/index.php/ukjnres/article/view/10.