Zooplankton groups in Lake Timsah, Suez Canal, Egypt
A. El-Damhougy, K., A. El-Naggar, H., A. Aly-Eldeen, M., H. Abdella, M. (2019). Zooplankton groups in Lake Timsah, Suez Canal, Egypt. EKB Journal Management System, 23(2), 303-316. doi: 10.21608/ejabf.2019.31461
Khalied A. El-Damhougy; Hussein A. El-Naggar; Mohamed A. Aly-Eldeen; Mohamed H. Abdella. "Zooplankton groups in Lake Timsah, Suez Canal, Egypt". EKB Journal Management System, 23, 2, 2019, 303-316. doi: 10.21608/ejabf.2019.31461
A. El-Damhougy, K., A. El-Naggar, H., A. Aly-Eldeen, M., H. Abdella, M. (2019). 'Zooplankton groups in Lake Timsah, Suez Canal, Egypt', EKB Journal Management System, 23(2), pp. 303-316. doi: 10.21608/ejabf.2019.31461
A. El-Damhougy, K., A. El-Naggar, H., A. Aly-Eldeen, M., H. Abdella, M. Zooplankton groups in Lake Timsah, Suez Canal, Egypt. EKB Journal Management System, 2019; 23(2): 303-316. doi: 10.21608/ejabf.2019.31461

Zooplankton groups in Lake Timsah, Suez Canal, Egypt

Egyptian Journal of Aquatic Biology and Fisheries
Article 24, Volume 23, Issue 2, April 2019, Page 303-316  XML PDF (1008.58 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2019.31461
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Authors
Khalied A. El-Damhougy; Hussein A. El-Naggar; Mohamed A. Aly-Eldeen; Mohamed H. Abdella
Abstract
To shed some light on distribution, abundance and diversity of zooplankton groups in Lake Timsah, four cruises (spring 2015, summer 2015, autumn 2015, and winter 2016) were carried out. In the present result, Lake Timsah zooplankton were comprised 13 groups of the animal kingdom include, Copepoda (with relative abundance of 39.44%); Rotifera (32.72%); Mollusca (15.15%); Tintinnida (4.55%); Polychaeta (3.43%); Cirripedia (1.62%); Decapoda (1.24%); Cladocera (0.94%); Ostracoda (0.57%); Appendicularia (0.19%); Fish egg (0.06%); Foramenifera (0.04%) and Cnidaria (0.04%). Copepoda was found to be the most diversified group during the study period, it represented by 62 species comprised 44.93% of the total recorded species, followed by Rotifera (33 species, 23.91%), Tintinnida (18 species, 13.04%), Cladocera (10 species, 7.25%), Ostracoda (5 species, 3.62%), Mollusca (4 species, 2.90%), Appendicularia (3 species, 2.17%), Cnidaria (2 species, 1.45%) and only one species of Foramenifera represented 0.72% of the total recorded zooplankton species. Seasonally, zooplankton was flourished in summer, while winter is the lowest abundant season. Spatially, because of the difference of water masses entering the lake, each group is dominant in a certain region. Copepods are common in sites that near of Suez Canal due to the presence of saline water masses. While, rotifers and other freshwater zooplanktons are dominant in sites that near freshwater masses, such as western lagoon.
Keywords
Zooplankton; Distribution; Lake Timsah; Abundance; diversity; Suez Canal
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