TY - GEN AU - Adel Abdelhalim Khattab Azab AU - Abdelmegeed Abdelfatah Elfiky , AU - Ashraf Tawfeek Soliman , AU - Monier Mohamed Abdelghani , TI - Floristic study on the water plants in the Nile Delta region - Egypt / PY - 2007/// CY - Cairo : PB - Adel Abdelhalim Khattab Azab , KW - Heavy metals KW - Hydrophytes KW - Nile Delta N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department of Botany Taxonomy and Flora; Issued also as CD N2 - The study area had been divided into four sectors covering the whole area (Delta) ; in the present study , the open water communities had low species diversity (total number of species or species richness) , which may be due to that most of their species are highly specific to the aquatic habitats and the same species occurs at nearly all the sites , this means that the species replacement or biotic change is low UR - http://172.23.153.220/th.pdf ER -