A systematic florula of a disturbed urban habitat: Pavements of Sheffield England

摘要

BackgroundHuman settlements are of increasing interest to ecologists, a fact demonstrated by the recent cluster of book-length treatments of the topic (, , , , , ). The natural world as a fascinating feature of towns and cities has a much longer history (e.g. ), and has also played a strong part in local biological conservation in some countries over the late 20th Century (​). Despite much existing information on urban plant and animal communities resulting from these trends, very little, easily accessible, systematic data on urban biodiversity is currently available.