Evaluation of the health status of the Posidonia oceanica (Linné, 1813) delile herbarium of a protected area: case of Rachgoun Island (Benisaf, Algeria).

Fatima Zohra Tektek; Fayçal Chahrour; Saliha Dermeche; Haddad Fatma Zohra; Mohamed Bouderbala

Volume : VII, Issue : X, October - 2017

Evaluation of the health status of the Posidonia oceanica (Linné, 1813) delile herbarium of a protected area: case of Rachgoun Island (Benisaf, Algeria).

Fatima Zohra Tektek, Fay Al Chahrour, Saliha Dermeche, Haddad Fatma Zohra, Mohamed Bouderbala

Abstract :

The Posidonia oceanic seagrass of Rachgoun island located off the coast of Beni Saf, was monitored monthly from october 2015 to october 2016. Sampling of this Magnoliophyte was carried out scuba at a depth of 2 and 3m. Field study was donne, namely density and coverage, with respectively 3 and 10 replicas. Phenology on the leaf biometry, the coefficient "A" the surface area and the leaf index were carried out monthly throughout this work. The study of phenology one of the descriptors that account for the vitality of the herbarium at Posidonia oceanica shows a good health state of the latter at the level of the island of Rachgoun