Evaluation of Habitat Suitability Index for Goby, Ponticola cyrius, in Tajan River (Shahid Rajai dam area to crossroad Takam)

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Abdollahpour Zeynab; RAHMANI HOSSEIN; ABDOLI ASGHAR; JANIKHALILI KHOSROW

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Journal: Aquatic Ecology Year:2020 | Volume:10 | Issue:1 Page(s): 1-13

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Title

Evaluation of Habitat Suitability Index for Goby, Ponticola cyrius, in Tajan River (Shahid Rajai dam area to crossroad Takam)

Author(s)

Abdollahpour Zeynab | RAHMANI HOSSEIN | ABDOLI ASGHAR | JANIKHALILI KHOSROW | Issue Writer Certificate

Keywords

habitat suitability

environmental parameters

Tajan River

Ponticola cyrius

Abstract

In control of lands, the assemblage and determination of effective factors on survival are necessary. The management of habitat is based on speculation and becomes a failure without the information. This study was done to survey the habitat suitability index of the Kura goby (Ponticola cyrius) in the Tajan River. For this purpose, samples were taken during a month from December to January 2014, at 15 stations in Tajan River from the highest point accessible to Crossroads Takam, and then triggering samples were counted. The environmental factors such as temperature, dissolved oxygen, electrical conductivity, pH, width, depth, altitude, slope, diagonal of substrate stones, water velocity, type of cover, and the measure of shadow were recorded in each station. Specimens of fish were caught by electrofishing at each station and were counted. habitat suitability index was calculated for each. The results showed that the second station (upstream part) is the most favorable habitat for Kura goby, and some parameters such as dissolved oxygen, total dissolved solids, and depth of the river have the key role in the high habitat suitability index of the second station. Also, vegetation cover of bushes and shrubs, 40 to 71 percent of shadow, and the cobblestone bed were observed in habitat selection of Kura goby. According to the results of this study and due to the lack of mobility and the presence of ventral fin, the desirable habitat for this species is rubble beds (diameter 15 cm) and the flow rate of water is less than 0. 5 m/s.

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APA: Copy

Abdollahpour, Zeynab, RAHMANI, HOSSEIN, ABDOLI, ASGHAR, & JANIKHALILI, KHOSROW. (2020). Evaluation of Habitat Suitability Index for Goby, Ponticola cyrius, in Tajan River (Shahid Rajai dam area to crossroad Takam). JOURNAL OF AQUATIC ECOLOGY, 10(1 ), 1-13. SID. https://sid.ir/paper/950598/en

Vancouver: Copy

Abdollahpour Zeynab, RAHMANI HOSSEIN, ABDOLI ASGHAR, JANIKHALILI KHOSROW. Evaluation of Habitat Suitability Index for Goby, Ponticola cyrius, in Tajan River (Shahid Rajai dam area to crossroad Takam). JOURNAL OF AQUATIC ECOLOGY[Internet]. 2020;10(1 ):1-13. Available from: https://sid.ir/paper/950598/en

IEEE: Copy

Zeynab Abdollahpour, HOSSEIN RAHMANI, ASGHAR ABDOLI, and KHOSROW JANIKHALILI, “Evaluation of Habitat Suitability Index for Goby, Ponticola cyrius, in Tajan River (Shahid Rajai dam area to crossroad Takam),” JOURNAL OF AQUATIC ECOLOGY, vol. 10, no. 1 , pp. 1–13, 2020, [Online]. Available: https://sid.ir/paper/950598/en

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