31461

Zooplankton groups in Lake Timsah, Suez Canal, Egypt

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Last updated: 01 Jan 2025

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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.

DOI

10.21608/ejabf.2019.31461

Keywords

Zooplankton, Distribution, Lake Timsah, Abundance, diversity, Suez Canal

Authors

First Name

Khalied

Last Name

A. El-Damhougy

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First Name

Hussein

Last Name

A. El-Naggar

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First Name

Mohamed

Last Name

A. Aly-Eldeen

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Orcid

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First Name

Mohamed

Last Name

H. Abdella

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Volume

23

Article Issue

2

Related Issue

5152

Issue Date

2019-04-01

Receive Date

2019-04-17

Publish Date

2019-05-12

Page Start

303

Page End

316

Print ISSN

1110-6131

Online ISSN

2536-9814

Link

https://ejabf.journals.ekb.eg/article_31461.html

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https://ejabf.journals.ekb.eg/service?article_code=31461

Order

24

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Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Zooplankton groups in Lake Timsah, Suez Canal, Egypt

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Article

Created At

22 Jan 2023