1. Street tree survival rates: Meta-analysis of previous studies and application to a field survey in Philadelphia, PA, USA
https://doi.org/10.1016/j.ufug.2011.05.008
2. Elmqvist, T., Setälä, H., Handel, S. N., Van Der Ploeg, S., Aronson, J., Blignaut, J. N., ... & De Groot, R. (2015). Benefits of restoring ecosystem services in urban areas. Current opinion in environmental sustainability, 14, 101-108.
https://doi.org/10.1016/j.scitotenv.2018.12.293
3. Nowak, D. J., Bodine, A. R., Hoehn, R., Ellis, A., Low, S. C., Roman, L. A., ... & Endreny, T. (2016). The urban forests of Philadelphia. Resource Bulletin NRS-106. Newtown Square, PA: US Department of Agriculture, Forest Service, Northern Research Station. 80 p., 106, 1-80.
https://www.fs.usda.gov/treesearch/pubs/53315
https://doi.org/10.1016/j.ufug.2011.05.008
2. Elmqvist, T., Setälä, H., Handel, S. N., Van Der Ploeg, S., Aronson, J., Blignaut, J. N., ... & De Groot, R. (2015). Benefits of restoring ecosystem services in urban areas. Current opinion in environmental sustainability, 14, 101-108.
https://doi.org/10.1016/j.scitotenv.2018.12.293
3. Nowak, D. J., Bodine, A. R., Hoehn, R., Ellis, A., Low, S. C., Roman, L. A., ... & Endreny, T. (2016). The urban forests of Philadelphia. Resource Bulletin NRS-106. Newtown Square, PA: US Department of Agriculture, Forest Service, Northern Research Station. 80 p., 106, 1-80.
https://www.fs.usda.gov/treesearch/pubs/53315