DFO's approval under the Species at Risk Act is also required if an activity affects an aquatic species at risk, any part of its critical habitat or the residences of its individuals. Under the Fisheries Act, no one may carry out works, undertakings and activities that result in the harmful alteration, disruption or destruction (HADD) of fish habitat, or the death of fish, unless it has been authorized by DFO. release of sediments or other deleterious substancesĭFO is responsible for the conservation and protection of fish and fish habitat across Canada.disturbance of watercourse beds and banks. When implemented correctly, this can mitigate risks to fish and fish habitat associated with routine maintenance dredging, which can includes: You can protect fish and fish habitat (including aquatic species at risk, their critical habitat and residences) when proceeding with a routine maintenance dredging by following the measures listed below. Navigation areas are typically dredged using clam buckets, draglines, backhoes or suction.įor the purpose of this code of practice, routine maintenance dredging includes the mechanical removal of accumulated sediment from the bed of a water body in an area where dredging for navigation purposes has previously occurred and was reviewed by DFO. Dredging is considered routine maintenance when it is required to maintain the design depths of navigation channels, harbours, marinas, boat launches, docking sites and port facilities, which all contribute to Canadian tourism, recreation and the transportation of goods. This code of practice outlines Fisheries and Oceans (DFO)’s national best practices for routine maintenance dredging.
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