الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
The Present study concernes with analysis and comparison of populations of marine fouling organisms at three harbours along alexandria coastal water as well as the environmental factors which control their settlement and development It aims also to study the taxonomy of fouling bryozoan animals procured bin the present work and compare the fouling communities at the eastern harbour of alexandria with four decads previous studies.