19. The prohibition set forth in section 128.6 of the Act respecting the conservation and development of wildlife (chapter C-61.1) to carry on, in a wildlife habitat, an activity that may alter any biological, physical or chemical component peculiar to the habitat of the animal or fish concerned does not apply to a person who, prior to the installation of an aboveground or underground telecommunications line or electric power distribution line or prior to the construction of a dam, does geological, geochemical or geophysical surveys using methods other than seismic reflection or seismic refraction, except in the habitat of a threatened or vulnerable wildlife species.