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Wetland & Fish Ecology - Enviro Dynamics Namibia

Wetland & Fish Ecology - Enviro Dynamics Namibia

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59<br />

High fishing pressure can be expected in the modified channel requiring regulation<br />

and control of fishing activities, especially where fyke nets and funnels are set across<br />

the stream. The lining of the channel will not benefit fish life as it offers little hiding<br />

place or feeding substrate. Allow as natural a system of floods to flow through the<br />

Okatana River in Oshakati as possible.<br />

Basically keep floods as natural as possible, by operating sluices in a way that will<br />

allow small floods to continue through Oshakati town within the Okatana River<br />

keeping the oshana functioning as naturally as possible and avoiding unnecessarily<br />

high velocities in the channel.<br />

A) Impact related to dike and its channel<br />

B) Impact of deepening and lining Okatana River in Oshakati<br />

Bold letters refer to confidence in prediction:<br />

L = low as little available information<br />

M = medium based on both available information and specialist knowledge<br />

Draft <strong>Enviro</strong>nmental Impact Assessment: Oshakati Flood Mitigation Project<br />

Specialist Study: <strong>Wetland</strong> <strong>Ecology</strong> and <strong>Fish</strong> <strong>Ecology</strong> Imputs<br />

July 2012

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