الفهرس 
arabic summaryOnly 14 pages are availabe for public view
 |  | from | 514 |  |  |
| | | from | 514 | | |
Abstract
The freshwater planktonic crustean organisms are cosmopolitan. They constitute an important part of the freshwater habitat and play an important role in the ecosystem. The same is true to a lesser extent,as far as the distribution is concerned,for the freshwater decapoda.