Modelling of Riparian-Imitated Constructed Wetland for Fish Habitat |
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| Authors: | Darrien Yau Seng Mah Sai Hin Lai Nor Azazi Zakaria |
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| Institution: | (1) River Engineering and Urban Drainage Research Centre (REDAC), Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, 14300 Penang, Malaysia |
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| Abstract: | This paper presents a hydrodynamic-based investigation of constructed wetland suitability for fish habitat. A constructed
wetland adjacent to river is manoeuvred to imitate riparian fish habitat by means of computer modelling. Flow-velocity conditions,
water depths and effects of macrophytes to resistance of flow in constructed wetland are modelled and steered towards creating
a favourable ground for natural substrate spawning of native fish species. The model suggests combination of two zones, which
are a macrophyte zone for typical functions of a wetland and an open water zone with gravel bed to support fish reproductive
cycles. |
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