Author/Authors :
Balali، Saeed نويسنده Fisheries Department, Gorgan University of Agricultural Sciences and Natural Resources, Iran. , , Hoseini، Seyed Abbas نويسنده Deptartment of Fisheries, Gorgan University of Agricultural and Natural Resources, Gorgan, Iran , , Ghorbani، Rasool نويسنده Department of Fisheries, Faculty of Fisheries and Environment, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran , , Kordi، Hamideh نويسنده Ph. D. Student, Inland Water Aquaculture Institute, Bandar Anzali, Iran. , , Amooee Khozani، Elahe نويسنده Deptartment of Fisheries, Gorgan University of Agricultural and Natural Resources, Gorgan, Iran ,
Abstract :
This study investigated the relationships between nutrients and chlorophyll-a concentration in the International Alma Gol Wetland. Chlorophyll-a is the major photosynthetic pigment in lots of phytoplanktons and has been used as a trophy index in aquatic ecosystems. Water samples were collected fortnightly from five stations in the wetland during summer and autumn. Chlorophyll-a ranged between 4.38 to 156.55 mg/m3, sulfate ranged between 138 to 190 mg/l, total alkalinity ranged between 80 to 280 mg/l, silica ranged between 3.80 to 35.00 mg/l, phosphate ranged between 0.02 to 3.70 mg/l, ammonia ranged between 0.10 to 11.90 mg/l, nitrate ranged between 0.01 to 2.75 mg/l and nitrite ranged between 0.01 to 0.39 mg/l. There was a significant correlation between chlorophyll a and nitrate, nitrite and ammonia but there was no significant correlation between chlorophyll-a and silica, total alkalinity, sulfate and phosphorus.
