Floristic and Ecological Features of Two Islands (Ebn-Salam and Tinnis) in Lake Manzala, Egypt

Document Type : Original Article

Authors

Botany Department, Faculty of Science, Mansoura University, Mansoura, Egypt.

10.21608/mjb.2021.460095

Abstract

Lake Manzala is the biggest lake at the northeastern corner of the Nile Delta and along the Mediterranean coast of Egypt. It comprises over 1000 islands of various sizes. The present study compared the floristic and ecological features of two islands Ebn-Salam and Tinnis as well as examined the vegetation analysis in correlation with environmental factors. Vegetation and soil were investigated in seven stands in Ebn-Salam Island and 17 stands in Tinnis Island. For each species, relative cover and density values were calculated and summarized in order to estimate its importance value. For each soil stand, the physical and chemical properties of the soil samples were determined. The results indicated that 25 species of 22 genera and linked to 12 families were documented. These species include 10 annual species (40 %) and 15 perennial species (60 %). Therophytes (35.71%) and Pluri-regional taxa (36%) were dominant. Four vegetation groups were segregated after the application of TWINSPAN. Among soil factors, sand, silt, saturation capacity, moisture content, soil salinity, cadmium and magnesium were the utmost effective factors

Keywords

Mansoura Journal of Biology
Volume 51, Issue 2
June 2021
Pages 28-39

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