Effect of Adding Iron Tri ions (FeCl3) on Nutrient Consumption and Determining the causative factor for growth in the marine waters of the Syrian coast

Authors

  • Ahmed Abdel Aziz Tishreen University
  • Hazem Krawi Tishreen University
  • Firuz Darwich Tishreen University

Abstract

This research aims to study the effect of iron fertilization on phytoplankton growth and nutrient consumption in some areas of the Syrian coast.

The experiment was conducted during the period from August 17 to September 6, 2019, and samples were collected from the mouth of the northern river al-Kabeer and the Higher Institute for Marine Research and transferred to the laboratories of the Higher Institute for Marine Research, where the water was enriched with iron and nutrients. Periodic samples were taken at 2-3 day intervals for nutrient and chlorophyll a measurements, the experiment spanned a period of 21 days.

Iron played an important role in stimulating growth, as the results showed that the iron-fortified media recorded the highest values of phytoplankton growth and consumption of nutrient electrolytes compared to the rest of the preparations, The results showed that the concentration of iron 10 µmol / L is sufficient to reach the maximum growth of phytoplankton, as we did not notice clear differences in growth for the concentration of 100 µmol / L.

Phytoplankton showed a clear growth ability in the two studied stations in the enrichment medium, where growth continued throughout the incubation period and a jump in growth occurred on the seventh day of the experiment and nutrients remained available in the medium until the end of the experiment, while the growth of phytoplankton was less in the control medium with a jump in Growth On the seventh day of the experiment, growth decreased on the twelfth day of incubation as a result of phosphate depletion from the medium. Iron played a role in the increased consumption of nutrients, especially silicates, as well as an increased reliance on ammonia as a source of nitrogen.

The application and investment of the results of these experiments on various environmental fields and fish farms with economic and environmental returns is important.

Downloads

Published

2022-11-22

How to Cite

عبد العزيز ا., حازم كراوي, & فيروز درويش. (2022). Effect of Adding Iron Tri ions (FeCl3) on Nutrient Consumption and Determining the causative factor for growth in the marine waters of the Syrian coast. Tishreen University Journal -Biological Sciences Series, 44(5), 233–247. Retrieved from https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/12512

Issue

Vol. 44 No. 5 (2022): Tishreen University Journal for Research and Scientific Studies - Biological Sciences Series

Section

Master student researches

License

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

The authors retain the copyright and grant the right to publish in the magazine for the first time with the transfer of the commercial right to the Tishreen University Journal for Research and Scientific Studies - Biological Sciences Series   

 Under a CC BY- NC-SA 04 license that allows others to share the work with of the work's authorship and initial publication in this journal. Authors can use a copy of their articles in their scientific activity, and on their scientific websites, provided that the place of publication is indicted in Tishreen University Journal for Research and Scientific Studies - Biological Sciences Series  .  The Readers have the right to send, print and subscribe to the initial version of the article, and the title of Tishreen University Journal for Research and Scientific Studies - Biological Sciences Series    Publisher

journal uses a CC BY-NC-SA license which mean

You are free to:

  • Adapt — remix, transform, and build upon the material
  •  
  • The licensor cannot revoke these freedoms as long as you follow the license terms.

 

  • Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • NonCommercial — You may not use the material for commercial purposes.
  • ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
  • No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.