الفهرس 
Sampling and analysis of soilOnly 14 pages are availabe for public view
 |  | from | 145 |  |  |
| | | from | 145 | | |
Abstract
The present study is an attempt t o provide qumtb tative assessments of the relationships be tveen ’the distributional bchaviour, phenology and productivity of species on one hand and sp&i& and temporal vaiakions in edaphic and climzt-ic factors on the other hand, in the ecosystem of sad dunes of the western iVledit;errcneLm coastal deser~ of Egypt, 1% has been carried 3ut within the frauevork of the project- of atSysP;er;ls Analysis of EediterraneLu Dese~t Ecosystems of Northern Egyptq’ w i t h the ult;hate god of collecting and syrtthesLzing infom~.kion about these ecosystems which could serve as a basis f o r lad management recomendatiohs, The area selected f o r this study i s located on the coast81 ridge, near-by the sea shore md represents the typical sand dune habitat, 93ir.i;~-t;mo stands were selected $0 represene the najor physiographic and physiognomic vnriations( In each stand a miuimtrin of 50, 1 m2 randonly distributed quadrats were used t o estinate the density ctnd frequency of perennials, tuzd frequency of annuals, and five line transects t o estimat;e %he cover 02 pc3%3Zl;idSe The veget-ation composition was then represenked By a tfisee-dbentional stand ordm tion using estimates of c over* ’Ehese stands wese classified into seven groups, each belonging t o a dif f eren- physiograph5.c ca&egory,