The value of green infrastructure on vacant and residential land in Roanoke, Virginia

Gunwoo Kim, Patrick Miller, David Nowak

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Using the City of Roanoke, Virginia as a study site, this paper quantifies the forest structure, ecosystem services and values of vacant and residential land. Single family residential land had more trees (1,683,000) than vacant land (210,000) due largely to the differences in land area (32.44 km2 of vacant land vs. 57.94 km2 residential). While the percentage of tree coverage was almost identical across land uses (30.6% in vacant to 32.3% in residential), the number of trees per ha is greater on residential land (290.3) than on vacant land (63.4). The average healthy leaf surface area on individual trees growing on vacant land was greater than that of individual trees on residential land. The fact that trees in vacant land were found to provide more ecosystem services per tree than residential trees was attributed to this leaf area difference. Trees on vacant land are growing in more natural conditions and there are more large trees per ha. Assessing the forest structure and ecosystem services of Roanoke's vacant and residential land provides a picture of the current extent and condition of the vacant and residential land. Understanding these characteristics provides the information needed for improved management and utilization of urban vacant land and estimating green infrastructure value.

Original languageEnglish
Article number296
JournalSustainability (Switzerland)
Volume8
Issue number4
DOIs
StatePublished - 2016
Externally publishedYes

Keywords

  • Ecosystem services
  • Green infrastructure
  • Urban forestry

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