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Factors controlling marine fouling in some Alexandria Harbours, Egypt
Ramadan, SH. E.; Kheirallah, A.M.; Abdel-salam, KH. M. (2006). Factors controlling marine fouling in some Alexandria Harbours, Egypt. Mediterr. Mar. Sci. 7(2): 31-54. https://dx.doi.org/10.12681/mms.168
In: Mediterranean Marine Science. National Centre for Marine Research: Athina. ISSN 1108-393X; e-ISSN 1791-6763
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| Trefwoorden |
Ecology
Environmental factors
MED, Egypt, Arab Rep., Alexandria
Alexandria [Marine Regions]
Marien/Kust |
| Auteurs | | Top |
- Ramadan, SH. E.
- Kheirallah, A.M.
- Abdel-salam, KH. M.
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| Abstract |
The present work aims to relate the settlement of marine fouling organisms in three different harboursin Alexandria city which present a wide range of ecological/environmental variations. Theses are the Abu Qir, Eastern and El-Dekheila harbours. Monthly samples of marine fouling were collected from the three harbours by using white roughened polystyrene test panels (12.5x12.5 cm), as well as physicochemical, chemical and other biological data. Results were treated with multivariate statistical analysis (PCA). At the Abu Qir harbour, it was found that water temperature and salinity are the most important environmental factors controlling the temporal distribution of total fouling density, whereas water temperature and chlorophyll a are the most significant environmental factors controlling the total biomass. At the Eastern harbour it was demonstrated that ammonia and phosphate are the most significant environmental factors controlling the temporal distribution and total biomass of fouling organisms. Concerning El-Dekheila harbour, the total density and total biomass of fouling organisms were inversely correlated with the total zooplankton. |
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