Journal of Wetland Ecobiology
Volume 17, Issue 2 (Summer 2025)
2025, 17(2): 25-37 |
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State of phytoplankton in the Persian Gulf Martyrs (Chitgar) Lake in 2024 and comparison with the previous decade. Wetland Ecobiology 2025; 17 (2) : 3
URL: http://jweb.ahvaz.iau.ir/article-1-1089-en.html
URL: http://jweb.ahvaz.iau.ir/article-1-1089-en.html
Abstract: (331 Views)
The aim of this research was to study the changes in the phytoplankton community in the Chitgar Lake in 2024 compared to the previous decade. Accordingly, samples were collected from 5 stations in the water body. A total of 35 phytoplankton taxa were identified, distributed across Bacillariophyta (11 genus), Chlorophyta (11 genus), Cyanobcteria (7 genus), Mizozoa (3 genus), and Euglenozoa (3 genus) in the lake. The annual average phytoplankton abundance was calculated of 17.6 million cells L-1, peaking in August at 32 million cells L⁻¹. Bacillariophyta dominated the community, contributing 13 million cells L⁻¹ (74% of total abundance). Phytoplankton abundance increased 7-fold compared to prior studies. Notably, Oscillatoria density in August 2024 was 607 times higher than in August 2013, while Microcystis abundance was 470 times greater than 2014 levels. Chlorophyll a concentration averaged 6.7 μg L⁻¹, reflecting elevated productivity. To prevent an increase in phytoplankton density, it is recommended to release silver carp, considering the initial production rate. Also, the lack of consumption of fish and bird food by people greatly prevents the increase in phytoplankton and maintenance of water quality in Chitgar Lake.
Article number: 3
Type of Study: Research |
Subject:
Special
Received: 2025/07/8 | Accepted: 2025/12/23 | Published: 2025/12/23
Received: 2025/07/8 | Accepted: 2025/12/23 | Published: 2025/12/23
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