Phytoécologie et composés secondaires d’un peuplement végétal steppique: cas de Pseudocytisus integrifolius (Salisb.) Rehder dans le Chott El-Gharbi (Oranie-Algérie)
Year: 2010
Type: article
Abstract: After having carried out a general presentation of the physic environment of Chott El-Gharbi (geographic situation, geomorphology, geology) we have undertook a bioclimatic approach. This one confirms to us the aridity of the environment marked by a long period of dryness which is spreading out over all the year. This arid ecosystem is characterized by the presence very localised of a shrubby species Pseudocytisus integrifolius. This endemic species colonizes vast expanses around the agglomeration of El-Kasdir. Chott El-Gharbi of muddy-sand spreader texture, a high salinity (2.42 mS/ cm) the grounds of this region are poor in organic matter (0.45%). The study of the vegetation of the Pseudocytisus integrifolius settelementses' showed to us the importance and the predominance of xerophilous and halophilous species accompanied by a majority of therophytes. The analyze of the floristic statements facts of arising a high rate of chamaephytes which arrive in first position with 78%. The halophylous character is well confirmed in this taxon. The families which constitute these populations of Pseudocytisus integrifolius are represented by the poaceae, the cruciferes, the asteraceae and the chenopodiaceae. The intervention of man and his flocks seems to influence considerably the morphological types of this floristic procession (lignous, long-lived and annual).
Language: French
Subfield: Plant Science
Domain: Life Sciences
SDG: Life on land
Open Access status: bronze
OpenAlex ID: W172038752