1. bookVolume 40 (2021): Issue 1 (March 2021)
Journal Details
License
Format
Journal
First Published
24 Aug 2013
Publication timeframe
4 times per year
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English
access type Open Access

Distribution and Population Structure of Avicennia marina (Forssk.) Vierh in Relation to the Environmental Gradient Along the Red Sea Coast of Egypt

Published Online: 18 Apr 2021
Page range: 48 - 53
Received: 22 Aug 2020
Accepted: 04 Nov 2020
Journal Details
License
Format
Journal
First Published
24 Aug 2013
Publication timeframe
4 times per year
Languages
English
Abstract

This paper presents an assessment of changes in Avicennia marina population along the Egyptian coasts of the Red Sea. A retrospective analysis of the mangrove cover and distribution was carried out. The populations in Sharm El-Bahary and wadi El-Gimal lack at least one or more volume class stages, while all volume classes are represented in the last two populations occurring in wadi Al-Qu’lan and Sharm El-Madfa’a. The relationships between the individual diameter and canopy volume of A. marina population are simply linear. Strong correlation coefficients are obtained (r2=0.92) for the population of Sharm El-Bahry and the weak correlation coefficients are obtained (r2=0.63) for the population of wadi El-Gimal. On the other hand, the relationships between the individual heights and canopy volume of A. marina population are simply linear. Strong correlation coefficients are obtained (r2=0.72) for the population of Sharm El-Bahry and the weak correlation coefficients are obtained (r2=0.46) for the population of wadi El-Gimal. All growth performance of A. marina species differ significantly at the four localities except the circumference. The comparison of soil characteristics A. marina populations in the four study localities showed significant variations in all variables except the silt content and SO4.

Keywords

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