Taxonomical and Ecological Study of (Non-Diatoms) Agricultural Soil algae In Shatt Al-Arab District in Basra Governorate
DOI:
https://doi.org/10.32792/jeps.v13i1.238Keywords:
Algae,, Identification,, Chemical and Physical factorsAbstract
Classification of non-diatomic algae in the agricultural soils of Shatt Al-Arab district were studied for
an entire year starting from November 2020 until September2021.Diifferent environmental
parameters (Temperature of soil and air, salinity, pH and some nutrients) were studied. The current
study identified 72 taxonomic units belonging to two divisions, the blue-green algae and the green
algae, the appearance of algal species was highest in the spring months and the lowest in July. The
study identified five new species of blue-green algae represented by Gloeocapsopsis chroococcaides,
Lyngbya regalis, Oscillatoria salina , Phormidium breve, Phormidium tinctorium. The results also
showed the dominance of blue–green algae at the expense of green algae, and the genus Oscillatoria
recorded dominace over the rest of the genera, and the results of the statistical analysis showed that
temperature, salinity and conductivity were inversely associated with the number of algae species,
while the nutrients represented by nitrogen, phosphorus, and available potassium were directly
associated with the number of algal species.
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