Street tree cadastre Hamburg

The street tree cadastre includes the comprehensive representation of the trees on public street corridors as the basis of the tree checks for traffic safety and planning. Key data fields are: Location, genus/species, year of planting, crown circumference, stem diameter, biological parameters and damage characteristics. The fast graphical visualization of tree locations and background maps provides an integrated GIS component. The data is stored in a SQL Server database. It is recorded as part of ongoing surveys and updates. The updates also take place within the framework of the prescribed tree inspections for road safety. The - online street tree register - includes the comprehensive representation of the trees on public street corridors with essential trunk attributes as well as the data of the Hamburg Port Authority, which are stored in a separate database. The following data fields are assigned to each tree: Location, genus/species, year of planting, crown diameter and trunk circumference. This data, which is collected as part of regular tree checks, is updated annually for the Internet as of 1 January. They are available for download as WMS and WFS services as well as in GML format.