A glossary of definitions for terms relating to biodiversity, ecosystems services and conservation.
All definitions are referenced, where possible preference has been given to internationally recognised definitions (for example those defined by international conventions or agreements). The terms have been chosen to support understanding of biodiversity and conservation issues, and terms relating to biodiversity loss are complemented by those relating to conservation responses supported by international conservation organisations, governments, scientists and business sectors.
More detailed explanations are provided for a number of key terms, to provide further background information.
The terms can be filtered by category to aid in the navigation of the many definitions.
Urban habitats are essentially altered or transformed by human use. Land may be predominantly occupied by constructions or infrastructure and the ecosystems and species assemblages that occurred there previously may be completely or almost completely lost. As well as grey space, brownfield sites, roofs and balconies, urban areas may also include elements of greenspace. Not only can these areas support surprisingly rich and diverse rich ranges of plants and animals, they also offer great potential for biodiversity enhancement and ecological restoration.