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Habitat selectivity of fresh water fishes of two second-order tropical streams in Tigray, Northern Ethiopia by Tesfay, Solomon; Teferi, Mekonen; Tsegazeabe, Haileselasie Hadush is a Agricultural and Biological Sciences article available to read on EtoBox.

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Background: Habitat selectivity and ecology of freshwater fishes were studied in two selected streams and their junction point which consist a total of 39 microhabitats. The aims of this study were to describe the habitat preference and its availability to fish assemblage, as well as ecology, habitat use, and habitat characteristics. Methods: We collected fish with backpack electrofishing three times during August 2013, December 2013, and March 2014. Using a variation partitioning approach of R software, we studied the relationship of fish abundances with stream type, habitat type, and abundance of key macroinvertebrate taxa. Results: A total of 6554 fishes representing four species belonging to the family Cyprinidae were caught. A higher total fish abundance was recorded from Gereb Tsedo (4870; 74.3%) than from Elala stream (1684; 25.7%). Taking both streams together, the overall total relative fish abundance was significantly higher in pools (53%) than in runs (35%) and in riffles (12%) at P < 0.05. Species-wise comparisons showed that 71%, 15%, 13%, and 1% of the pool fish community were occupied by Garra blanfordii, Garra ignestii, Garra dembecha, and Garra aethiopica, respecti

Who reads Habitat selectivity of fresh water fishes of two second-order tropical streams in Tigray, Northern Ethiopia?

Author

Tesfay, Solomon; Teferi, Mekonen; Tsegazeabe, Haileselasie Hadush

Publisher

The Ecological Society of Korean; Springer (Biomed Central Ltd.); BioMed Central; Seoul: SHD; The Ecological Society of Korea; Springer Science and Business Media LLC (ISSN 2287-8327)

Published

2019

Language

EN

Field

Agricultural and Biological Sciences (Physical Sciences)