5 mg/l) for cage fish farming. Although, Goharbaran region were appropriate for cage fish farming in terms of nutrients, but this region was evaluated as mesotrophic (5.97±0.73) with high risk of eutrophication (>4).]]>
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0.05), whereas the amounts of total phosphorus were significantly different among various research locations (P<0.05). The amounts of chlorophyll a ranged from 0.6 to 329.1 µgL-1 (with the average amount of 47.4±65.0 µgL-1). The amounts of EC ranged from 254 to 14250 µm/cm which were significantly different among various research locations (P<0.05).The TN/TP ratio was lower than 10 in all research locations except in the western part of the Anzali Wetland which indicated that phosphorus was the limiting factor for eutrophication. According to the results, the western part of the Anzali Wetland and Siah-Keshim area were eutrophic and super-eutrophic, whereas the other regions of the Anzali Wetland were classified as hypereutrophic. Controlling and decreasing the amounts of nutrients from inlet waters and controlling the growth of aquatic plants in the Anzali Wetland can be used to improve the quality of water and to control eutrophication.]]>
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