Volume 15, Issue 3 (Autmn 2025)
J. Aqua. Eco 2025, 15(3): 10-19 |
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Saraji F, Akbarzadeh G A, Behzadi S, Koohkan H. Investigation of the Structure of Phytoplankton Communities in the Eastern and Western Parts of Jask Bay in Hormozgan Province. J. Aqua. Eco 2025; 15 (3) :10-19
URL: http://jae.hormozgan.ac.ir/article-1-1140-en.html
URL: http://jae.hormozgan.ac.ir/article-1-1140-en.html
Abstract: (48 Views)
Phytoplankton communities and their temporal variations, along with the qualitative conditions of aquatic ecosystems, are constantly influenced by environmental fluctuations. As valuable biological indicators, phytoplankton can be used to assess water quality, and understanding their community structure and dynamics plays a critical role in predicting the future status of aquatic ecosystems. This study was conducted in the eastern and western regions of Jask Bay during the summer and winter of 2023. Sampling was performed using a Ruttner bottle at a depth of 0.5 meters below the water surface. Samples were fixed with Lugol’s solution, labeled, and transported to the laboratory for taxonomic analysis. A total of 41 phytoplankton species were identified, including 25 species of Bacillariophyceae, 15 species of Dinophyceae, and one species of Cyanophyceae. Among the diatoms, 23 species occurred in the western region and 11 in the eastern region, with nine species shared between both areas. Of the 15 dinoflagellate species, 14 were recorded in the western region and seven in the eastern region, with six species common to both. The single Cyanophyceae species was present in both regions. Overall, the western region exhibited higher species diversity compared to the eastern region. The relative abundance of total phytoplankton was 39.84% in the western region and 61.15% in the eastern region. Given the ongoing development in Jask, located along the Makran Sea, obtaining baseline ecological information—particularly on phytoplankton communities—is essential. This study therefore aimed to characterize the phytoplankton community structure in Jask Bay. With the planned installation of artificial structures in the bay, the availability of pre-construction ecological data will enable effective assessment of the environmental impacts following deployment. The findings of this research provide an important foundation for designing long-term monitoring programs and for improving the management of water and ecological resources in the region.
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This work is licensed under a Creative Commons — Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)