Table 3.

A description of the potential impacts resulting from demonstration scale projects. See text, Section 3.3, for a narrative summary of this development scenario. Minor impacts are listed in the order they appear in the renewable energy impact matrix.

(i1) Demonstration scale projects
Component (not ranked)	Minor impact	Certainty
Benthic habitat and resources	(i) Disturbance from installation/removal of device (including turbidity)	(i) High
	(ii) Disturbance from installation or removal of power cable (including trenching)	(ii) High
	(iii) Scour around structures	(iii) High
	(iv) Smothering by excavated sediments	(iv) High
	(v) Reef effects	(v) High
	(vi) Diffusion/flaking of marine coating	(vi) High
	(vii) Chemicals discharged during installation or removal	(vii) High
	(viii) Resuspension of pollutants in sediments	(viii) High
Fish species and fishing activity	(i) Disturbance from installation or removal of device	(i) High
	(ii) Disturbance from installation or removal or power cable	(ii) High
	(iii) Reef effects	(iii) High
	(iv) Loss of access to grounds during construction	(iv) High
	(v) Loss of access to grounds during operation	(v) High
Avian species	(i) Displacement or attraction to structure above surface of the water (wind turbines)	(i) High
	(ii) Displacement or attraction to structure below the surface of the water	(ii) High
	(iii) Disturbance from installation of device or transmission cable	(iii) High
	(iv) Collision with rotating turbine blades	(iv) High