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Invasive species can be defined as non-native species that have been introduced into an area and are able to out-compete native species. Such species often have no natural predators and can interfere with the natural functioning and diversity of an ecosystem. Examples include North American mink (Mustela vison), which are thought to be largely responsible for the dramatic decline of water vole (Arvicola terrestris) in the UK, Japanese knotweed (Fallopia japonica) which is a vigorous perennial plant that suppresses the growth of native species and can cause structural damage, and Himalayan balsam (Impatiens glandulifera) which is an annual plant often found along riverbanks and ditches. In the autumn, these plants die back, leaving the banks of such features bare of vegetation and vulnerable to erosion.
Some invasive species have legislation associated with them (such as Japanese knotweed, pictured above) and may require removal from a site, to avoid committing an offence. GreenLink Ecology Ltd is able to survey for invasive species and can contract manage implementation projects for their removal from site. Contact us to discuss your problem species, project or site further |
