Community Structure of Zooplankton and Water Quality Assessment of Tigris River within Baghdad/Iraq

Marwa I. Abbas^1, and Adel H. Talib¹

¹Department of Biology, College of Science, University of Baghdad, Baghdad, Iraq

Cite this paper:
Marwa I. Abbas and Adel H. Talib. Community Structure of Zooplankton and Water Quality Assessment of Tigris River within Baghdad/Iraq. Applied Ecology and Environmental Sciences. 2018; 6(2):63-69. doi: 10.12691/aees-6-2-4

Abstract

For understanding the water quality state of Tigris river, the community structure of zooplanktons was studied in different seasons, and Shannon-wiener diversity index (H), Species Richness Index (D) and Species Uniformity Index (E) were applied. The Results show that the highest number of total zooplanktons in the period of the study was 25036.9 individuals / m³ in the S3, while the lowest number of zooplankton in the period of the study was 16125 individuals / m³ recorded in S1, The current study was recorded The dominance of Rotifers group in All study sites. The species richness index (D) recorded very good abundance and the values ranged between 3.083 to 9.15. The Shannon-Weiner index (H) for diversity ranged from 1.13 bit per Individual in the third station to 2.716 bit per individual in second station, through this Indicator, The Tigris River of the area of the study is a moderate in organic pollution. While the values of species Uniformity index (E) for the appearance of species ranged between the highest value 0.948 during the month of December in the S3 to the less value 0.435 during the month of January in the same station.

Keywords:
zooplankton community structure diversity Indexes water quality assessment

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