B-5 – Area 5 - Assessment of Environmental Effects 174 7.6.1.8 River Bed Disturbances and Structures Objectives 4.2.2 and 4.3.2 manage the disturbance of the beds and banks of river beds and the management of structures located in, on, under or over them. These objectives seek to ensure that beds and banks of rivers are managed in a manner that: produces a net reduction in the adverse effects of the destabilisation of river and lake beds;184 does not have adverse effects on water quality, flow regimes, aquatic ecosystems and wetlands that are inconsistent with Objective 3.1.2;185 does not obstruct fish passage for trout and indigenous fish to complete their life cycle;186 preserves the natural character of river and lake beds and their margins and protects them from inappropriate use and development;187 does not increase the adverse effects of flooding;188 provides for navigation of water bodies where appropriate;189 remedies or mitigates adverse effects of existing structures on the relationship tangata whenua as kaitiaki have with identified taonga;190 avoids significant adverse effects, and remedies or mitigates cumulative effects, of new structures on the relationship tangata whenua as kaitiaki have with identified taonga;191 ensures there is no introduction of any plant pest identified in the Waikato Regional Pest Management Strategy;192 avoids competition by introduced vegetation to existent desirable plant species and the obstruction of river channels by introduced vegetation;193 and maintain existing legal public access to and along river and lake beds and their margins, where appropriate.194 184 Objective 4.2.2(a), Section 4.2, Waikato Regional Plan. 185 Objective 4.2.2(b), Section 4.2, Waikato Regional Plan. 186 Objective 4.2.2(c), Section 4.2, Waikato Regional Plan. 187 Objective 4.2.2(d), Section 4.2, Waikato Regional Plan. 188 Objective 4.2.2(e), Section 4.2, Waikato Regional Plan. 189 Objective 4.2.2(f), Section 4.2, Waikato Regional Plan. 190 Objective 4.2.2(g), Section 4.2, Waikato Regional Plan. 191 Objective 4.2.2(h), Section 4.2, Waikato Regional Plan. 192 Objective 4.3.2(i), Section 4.2, Waikato Regional Plan. 193 Objective 4.3.2(j), Section 4.2, Waikato Regional Plan. 194 Objective 4.3.2(n), Section 4.2, Waikato Regional Plan.
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