Is there a need for a theory of urban ecology

摘要: Although urban ecosystems are governed by the same ecological “laws” as rural ecosystems, relative importance of certain patterns and processes differs between two types ecosystems. For instance, compared to areas, habitats usually more islandlike, often represent early successional stages, easily invaded alien species. All these features results intense human influence on landscapes. The question then arises whether a distinct theory ecology is needed for understanding in setting. answer no, because can be successfully studied using existing theories, such metapopulation theory. However, due presence approaches that include aspect useful studying systems. “human ecosystem model,” which emphasizes impact identifying social components with connections ecology, approach studies. This model, combined urban–rural gradient approach, forms an effective tool key Better would increase our ability predict changes land use causes help integrate better into planning.