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This study demonstrates the potentials of Geographic Information System (GIS) as a management tool for avenue trees (Street trees)populations in small communities (using Idi-Ishin community, Ibadan, Nigeria as a case study). GIS is a decision support systemwhich integrate data or set of data from different sources, bringing them under the same referencing system in a computer system. AnIkonos Imagery (1m Spatial Resolution) of the study area was digitized to produce a digital map using ArcGIS 10.1 version. Theavenue trees species ≥ 5cm diameter at breast height (DBH) was selected for enumeration. These trees were then measured andtagged. The Height, Girth and Geographic location (X &Y coordinate) of the trees were measured with Haga altimeter, Girthing tapeand Hand held Global Positioning System (GPS) respectively. The species and families of the trees enumerated were also identified.Data were analysed for basal area (BA) and volume (V). A total number of 43 avenue trees were assessed in Idi-Ishin Community.Roystonea regia accounted for the majority of the avenue trees (25.58%), followed by Polyanthia longiflora (23.26%), Gliricidaseprium (20.93%), Eucalyptus toreliana (13.95%), Delunix regea (6.98%). However Terminalia catapa, Terminalia radii,Azadrachita indica and Newbodia levis had the same abundance of 2.33%. It was also observed that the benefits derived from theseavenue trees includes; Carbon sequestration, Beautification, Wind break and shade. A spatial relational database was created for theassessed avenue trees using ArcCatalog of ArcGIS 10.1 version. Based on the findings from the study (which serves as baselineinformation for the management of the avenue trees in the study area), it was therefore recommended that subsequent assessmentshould be carried out at 3-5 year interval in other to ensure proper and continuous monitoring and updating of the data

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

THE POTENTIAL OF GIS AS A MANAGEMENT TOOL FOR AVENUE TREES POPULATION IN SMALL COMMUNITIES; A CASE STUDY OF IDI-SHIN COMMUNITY, IBADAN, NIGERIA