Green factor: Explainer
What is the green factor concept?
undefinedI. The basic green factor equation
Green factor
=
Green factor area (in m2)
Site land area (in m2)
What influences the green factor area?
undefined undefinedII. The green factor area equation
Green factor area
=
the sum of
The quantity of a green element
×
Unit to sqm (i.e. conversion to an area)
=
Equivalent green area (m2)
×
Element rating
=
Element green factor area (m2)
Going deeper: How green elements are rated
undefinedBrisbane ecosystem services
Ecosystem service | Relative weight |
---|---|
Food production | 5% |
Habitat provision | 15% |
Sense of place | 25% |
Stormwater management | 20% |
Urban temperature regulation | 20% |
Wellbeing and health | 15% |
III. Components of an element rating
Element rating
=
the sum of
Raw element rating against an ecosystem service
+ / -
Adjustment for element configuration (at location group level)
=
Element ecosystem rating
÷
Median ecosystem rating score across all vegetation elements
=
Normalised ecosystem rating for an element
×
Ecosystem service weighting (%)
=
Element rating contribution of ecosystem service