Some reports from a UK perspective which may be of interest and are free as downloads - they cover topics such as habitat fragmentation which may be relevant to urban studies.

http://publications.naturalengland.org.uk/publication/148102?category=47017

(habitat corridors and fragmentation)

http://publications.naturalengland.org.uk/publication/127046?category=47017

(brownfield sites as habitats for rare invertebrates)

http://publications.naturalengland.org.uk/publication/102007?category=47017 (brownfield sites)

http://publications.naturalengland.org.uk/publication/61024?category=47017 (literature review of urban effects on heathland)

http://publications.naturalengland.org.uk/publication/108004?category=47017

(the impact of land development on biodiversity)

http://www.forestry.gov.uk/website/publications.nsf/WebpubsbyISBN/0855384093

(reforesting urban wwasteland)

Hope they are useful and give you some good ideas!

Dave

Thank you very much

Some time the article attached is use full for you

Thesis DEVELOPMENT OF A BIOFILTER SYSTEM FOR IMPROVING QUALITY OF B...