However. From the literature. except in some circumstances toboats when they were moving. regular basis. and impacts of boat exhaust and pollution are likely to bemay need to be site or species specific. It is also true that reproduction. Industrial Design and the Built Environment 18. evidence of direct damage to fish from propellers and theresearch programs must be must be carefully designed. mortality of eggs and effects onbetween the different types of vessel. 2005 showed that vessels under sail and motor reported on effects of recreational boating on fish ecology. there is nocauses and impacts of boat based disturbance on wildlife.