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F.M.Ghazzawi (1939) Plankton of the Egyptian waters. A study of the Suez Canal Plankton. Notes and Memories of the Hydrobiology and Fisheries Directorate of Egypt, No 24. (A) The Phytoplankton. Preliminary Report

Citation

Mavraki Dimitra and Nikolopoulou Stamatina (2017). Digitation of The Plankton of the Egyptian Waters. A study of the Suez Canal Plankton. Notes and Memoirs No 24. Hydrobiological and Fisheries Directorate, 1939, Egypt https://doi.org/10.15468/pjnbbl accessed via GBIF.org on 2022-04-18. accessed via GBIF.org on 2022-04-18. accessed via GBIF.org on 2023-06-04.

Description

A study of the plankton in the Suez Canal could throw some light from the explanatory point of view, on the distribution of the planktonic forms of the two different water bodies of the Mediterranean and Red Sea. From the fisheries point of view, the plankton study is indispensable to seek out the relation between the abundance and movement of fishes and the fluctuations in the plankton; both in quantity and quality at different times, places and depths.

Sampling Description

Study Extent

Six stations were examined: S.C.1 - Western Jetty at mouth of the Canal S.C.2 - Ballah signal station S.C.3 - 1km S.W. of the Canal Company's landing stage at Ismailia S.C.4 - Northern Light buoy in Great Bitter Lake S.C.5 - Kilometre 130 of the Canal in Little Bitter Lake S.C.6 - Last buoy but one of the Western side of the Canal at Port Tewfik

Sampling

Hauls were taken with the international horizontal tow-nets; the fine net has 200 and the coarse 60 strands per inch. The length of the bolting silk is 2 meters and the mouth of the net is 50cm in diameter. Two small motor boats were used; "EL-HILAL" and "EI - ZAFIR".

Method steps

  1. The catches; as soon as they were brought up to the boats were treated with 4% formalin (40% commercial formalin diluted with sea water to 4%). The nets after each catch were washed thoroughly first is sea water and then in fresh water and allowed to dry in the shade by hanging in the air, as direct sunlight had a detrimental effect upon the life of nets. Hydrographical observations were recorded at every station. The Temperature and PH were also recorded.

Additional info

marine, harvested by iOBIS.

Taxonomic Coverages

  1. Myzozoa
    rank: phylum
  2. Ochrophyta
    rank: phylum

Geographic Coverages

suez canal. The map of stations can be found at the paper "R. Macdonald (1933). An examination of Plankton Hauls made in the Suez Canal during the year 1928. Notes and Memoirs, No3. Fisheries Research Directorate"

Bibliographic Citations

Contacts

Dimitra Mavraki
originator
position: Data Manager
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture
Telephone: +302810337740
email: dmavraki@hcmr.gr
Dimitra Mavraki
metadata author
position: Data Manager
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture
Telephone: +302810337740
email: dmavraki@hcmr.gr
Stamatina Nikolopoulou
curator
position: Data Manager
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture
email: snikolo@hcmr.gr
Dimitra Mavraki
administrative point of contact
position: Data Manager
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture
Telephone: +302810337740
email: dmavraki@hcmr.gr
Stamatina Nikolopoulou
administrative point of contact
Hellenic Centre for Marine Research - Institute of Marine Biology, Biotechnology and Aquaculture
email: snikolo@hcmr.gr
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