Phytoplankton population structure of Mighan salt lake (Arak, Markazi province)

Document Type : Original Article

Authors

1 Iranian Artemia Research Center, Iranian Fisheries Science Research Center, Urmia, Iran

2 Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization, Tehran, Iran

3 National Artemia research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization, Urmia, Iran

4 Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran

Abstract

Mighan Lake is located 8 kilometers northeast of Arak city. Lake surface area is 112 km2. Dunaliella salina (Dunal) Teodoresco composing main phytoplankton population and food chain in the lake. Salinity depending on season and water input is between 20-120 g/l. This study evaluated the impact of salinity and physicochemical factors on the lake’s phytoplankton communities. Sampling was done monthly during March to December 2019. Species and phytoplankton density were determined by inverted microscopy. Twelve algal species were identified which D. salina consisted 87.3% of phytoplankton composition. Indeed, salinity as a major limiting factor reduced phytoplankton diversity in Mighan Lake.

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References

References
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Plant, Algae, and Environment
Volume 4, Issue 2
2020
Pages 534-543

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