For the purposes of this Act, each of the following events is a biosecurity event:(a) the presence in Tasmania, or part of Tasmania, of prohibited matter;(b) the presence in Tasmania, or part of Tasmania, of an animal disease that may pose a biosecurity risk to Tasmania, or part of Tasmania, regardless of whether the disease, or cause of the disease, is known or identified;(c) the presence in Tasmania, or part of Tasmania, of a plant disease that may pose a biosecurity risk to Tasmania, or part of Tasmania, regardless of whether the disease, or cause of the disease, is known or identified;(d) the presence in Tasmania, or part of Tasmania, of an invasive pest that may pose a biosecurity risk to Tasmania, or part of Tasmania, regardless of whether the species, or subspecies, of the invasive pest is known or identified;(e) a prescribed event or circumstance.