South Asian Journal of Experimental Biology, Vol 9, No 6 (2019)

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Jan 28
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Study of plant biodiversity in an artificial forest plantation (Pinus halepensis and Cupresus sempervirens) in the region of Sidi bel abbes, Algeria

Barka Fatiha, Bouazza Mohamed, Terras Mohamed, Mekki Fatima Zohra, Ammam Abdelkader

Abstract


The present study focuses on an analysis of the evolution of plant biodiversity dynamics in a steppic zone from a phytoecological standpoint, concentrating on a set of reforested species in the Sidi Bel Abbes region (Cas de Ras El Ma). The research work is based on geographical, physiological, biometric and clima c aspects. The results obtained from this study include the botanical and biological aspects of each species selected. The comparison of the di erent biological, morphological and biogeographical spectra reveals the importance of therophytes, which is consistent with a signi cant degeneration accented by stressors during the recent decades, with the presence of strong therophy za on which eliminates sylva c forma ons at the level of these steppic ecosystems. Despite the presence of a shrub layer, which can present an illusion to the contrary, it is no longer a forest ecosystem, but a pre-forest ecosystem transforming into a sca ered matorral characterized by a oris c diversity of seed plants. The distribution of families in the study area is heterogeneous, with Fabaceae domina ng at (13.46%), followed by Poaceae (11.54%), Lamiaceae with (7.69%), Ranunculaceae, Asteraceae, Lili- aceae, Cistaceae, Cupressaceae, Carphyllaceae, Papaveraceae, Pinaceae, Fagaceae and Brassicaceae with (3.85%). The ac ons of the management plans enabled us to determine the various factors that in uence the development and the distribution of the plant species in the region of Sidi Bel Abbes and the strategy of protec on and preservation for a sustainable development.


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