Issue 2

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Floristic Composition and Species Diversity in Sunt Forest Reserve, Khartoum State, Central Sudan
(Napata College, 2024-08) Mozdelfa Adam Babiker Ali; Hatil Hashim EL-Kamali
The study investigates the weed species composition and diversity in the Sunt Forest Reserve, Khartoum State, Central Sudan. The floristic composition comprises 21 species from 18 genera and 11 families. The Leguminosae family is the most abundant, with five weed species, followed by Poaceae with four and Asteraceae with two. Tragus berteronianus (Poaceae) is the most significant species based on the Importance Value Index (IVI), with an IVI of 89.53%. Polygala erioptera (Polygalaceae) is the second most significant, with an IVI of 85.71%, followed by Rorippa indica (Brassicaceae) and Cyperus squarrosus (Cyperaceae) with IVIs of 80.44% and 72.32%, respectively. The Shannon-Weiner Diversity Index for the area was 4.206, while the Simpson's Index of Diversity (1 – D) was 0.05682. These values indicate a relatively high species diversity compared to other subtropical forests worldwide. Keywords: Floristic composition, Species diversity, Weed species, Sunt Forest Reserve, Khartoum State, Central Sudan.