TITLE:
Floristic Diversity of Forests of the Northwest Republic of the Congo
AUTHORS:
Félix Koubouana, Suspense Averti Ifo, Jean-Marie Moutsambote, Romarick Mondzali-Lenguiya
KEYWORDS:
Floral Diversity, Management, Floristic Composition, Floristic Heterogeneity, Mbomo-Kellé UFA, Congo
JOURNAL NAME:
Open Journal of Forestry,
Vol.6 No.5,
September
6,
2016
ABSTRACT: The study
of structural and tree flora biodiversity of the forest of the Mbomo-Kellé UFA
was done on an area of 88.5 ha (0.014% of the total UFA area). The inventory
was carried out in plots of 200 m × 25 m (0.5 ha), arranged in a contiguous way
along the opened trails in the forest with an equidistance interval of 2 km. 11,012
trees of DBH ≥20 cm were counted, divided into 107 genera, 31 families and 133
species including 121 completely identified and 12 defined only in terms of
genus. Data analysis consisted of calculating relative and weighted
frequencies, the Shannon and Weaver diversity indexes, Pielou’s evenness index,
and the Jaccard and Sorensen similarity indices. Relative frequencies showed
that the most representative family in terms of species is the Fabaceae-Caesal piniodeae
with 18.05% of species and the most representative in terms of individuals is
the Burseraceae with 19.17% of inventoried trees. The principal components
analysis allowed to show inter- and intra-block heterogeneities.