Minimal impact (e.g. banning the import of a pest species, the removal of a small number of plants by hand)

(e.g.  application of pesticides to plants within a nursery, destroying a large consignment of imported plants by burning or landfill)
(anticipate short term [<3 years] impact [loss of biodiversity] on a native habitat - e.g. applying an insecticide to woodland or hedgerows);

(anticipate long term impact on a native habitat [>3 years)] or short term impact on a sensitive/protected area, National Park, or endangered species);

(anticipate long term impact [>3 years] over a wide area of any natural habitat [>10 sqkm], or to a sensitive/protected area, national park, or an endangered species).