Volume I: Origins and Ecology in CitiesPart 1: Development of studies in the ecology of plants, animals, and humans in urban areasPart 2: Expansion of urban ecological concerns over the social, psychological, and city-planning dimensions of human interactions with urban naturePart 3: The biophysical environment: urban climate; geomorphology; soils and aquatic systemsPart 4: Urban flora: native and invasive species in the urban contextVolume II: Ecology of CitiesPart 5: Urban fauna: wildlife and feral animals, commensal species and pestsPart 6: Urban habitats (the urban mosaic), ecological niches including roofs, walls, and water bodiesPart 7: Organic analogies and urban metabolismPart 8: Biodiversity of cities: urban to rural gradients; urban transitions; homogenizationVolume III: Ecology for CitiesPart 9: Urban dependency (cities as consumers and waste producers) and sustainability sciencePart 10: The ecological consequences of urban growth and consumption, within and beyond citiesPart 11: Cities as socio-economic systemsPart 12: Urban landscape design for human benefit, especially for public health and well-beingPart 13: Urban land restoration and novel ecosystemsVolume IV: Ecology for Cities (Economy and Society); the Integration and Future of Urban EcologyPart 14: Urban green infrastructure and ecosystem services, including climatic-change adaptation and mitigationPart 15: Urban political ecology and urban ecosystemsPart 16: Public participation in the provision and protection of nature in urban areasPart 17: Urban ecology as an integrated disciplinePart 18: Long-term ecological research into integrated urban ecologyPart 19: Mission statements for urban ecology