It is considered poor pruning practice. GIS Geographic Information Systems. The use of a computer system to overlay large volumes of spatial data of different kinds. The data are referenced to a set of geographical coordinates and encoded in computer format so that they can be sorted, selectively retrieved, statistically and spatially analysed. The specific environmental conditions required for different organisms to thrive.
Hard surface Refers to the impermeable ground surface beneath the drip line.
This includes surfaces that are paved, graveled, bricked, severely compacted, or any surface which does not allow for percolation of rain water and soil aeration. Hazard-tree assessment of the standing tree for signs of structural weakness caused by growth habit, disease or decay, and assessment of whether or not a target exists in the potential fall zone. If no target exists, the tree is automatically not a hazard tree. Heritage tree A designation for a tree considered desirable based on the tree's age, historical significance, aesthetic value, size or horticultural value. These trees are objects of preservation.