Abstract

In an intensive study of the various species of the Euglenophyceae under different environmental conditions, the algal samples were collected monthly in twelve springs and six related streams from September 2019 to August 2020 within Shaglawa district-Erbil Province in virgin areas for phycolimnological study. Twenty species of Euglenophyceaen are identified as a new record for the algal flora. These taxa consist of Colacium vesiculosum, Lepocinclis salina and L.wangi, Eutreptia viridis, Euglena chlamydophora, E. clavata, E. geniculata, E. intermedia var klebsii, E. limnophila, E. oblonga, E. sociabilis, E. stellate and E. variabilis, Peranema sacculus, Phacus circumflexus, Ph. dangeardii, Ph. peteloti, Petalomonas mediocanella var disomata, Trachelomonas manginii, and T. volvocina var derephora. All of these new records are described and illustrated as much as possible. According to physicals and chemicals characteristics, water temperature varied from 14.942˚C to 18.475˚C, pH lies on alkaline side of neutrality, electrical conductivity ranged between (627.472-2092.306µs/cm) and high concentration of salinity recorded in Azarian spring.

Highlights

  • Aquatic systems are considered the main sources to the remaining of life for almost organisms that live in aquatic environment[1].Algalflora is one of the most important organisms that are found in the aquatic ecosystems especially which is the main source of oxygen and food chain

  • Erbil is the capital of Kurdistan Region and its population is about two millions people, situated in the northeast of Iraq at the coordination of 36◦ 11 ́28 ̋N 44° 0 ́33 ̋E/ 36◦ 191 ́11 ̋N 44◦ 0917 ́17 ̋E, Erbil boundaries extended from latitude 36° 42′ to 360 23′ N and longitude 44° 29′ to 44° 08′ E

  • The most abundant genera in this study was Euglena, Lepocinclis, Phacus and Trachelomonas identified in most sites, while two species Lepocinclis salina and Euglena stellate confined with high total dissolved solids and more saline water found in Nawkand, Chemma and Azarian springs

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Summary

Introduction

Aquatic systems are considered the main sources to the remaining of life for almost organisms that live in aquatic environment[1].Algalflora is one of the most important organisms that are found in the aquatic ecosystems especially which is the main source of oxygen and food chain. Algae entered nano-technology and micro-technology for industrial purposes, antibiotics, toxicity, productivity, water quality assessment and water pollution indicators 2-5. Euglenophyta is very diverse algae; all species are unicellular, cosmopolitan in distribution living in fresh, saline water and in moist soils or mud rich in organic matter. They are autotrophic species, while a few of them are heterotrophic. A total number of Euglenoides recorded in Iraq and Kurdistan Region are 54 and 21 taxa respectively[8, 9]. Despite worldwide importance of Euglenophyta; it receives little attention in Iraq. Few investigations and survey of Euglenophyta have been done by many authors in Iraq6, 10, 11and in Kurdistan RegionIraq 12-15. The aim of the present study is to explain more knowledge about Euglenophyta in this area as database in this area, water quality in addition to their effect on the availability of Euglenophyta

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