Metric · draft
A measurable indicator (students often call it a KPI) used as evidence for a design decision.
| Category | Biodiversity |
| Unit | % change in biodiversity units |
| How it is calculated | (Post-development biodiversity units − baseline units) ÷ baseline × 100, where units = habitat area × distinctiveness × condition (e.g. the UK statutory metric). |
| Origin | adapted |
| Standard | UK Biodiversity Net Gain metric |
| Status | draft |
Also known as: BNG · Biodiversity gain · Biodiversity index · Lake biodiversity index
What it measures
Whether a project leaves nature in a measurably better state than before.
Calculation
(Post-development biodiversity units − baseline units) ÷ baseline × 100, where units = habitat area × distinctiveness × condition (e.g. the UK statutory metric).
Connections
- Used in case studies: Adam Večeřa, Amy Naprstek, Elsa Hauksdottir, Hynek Hrabík, Lindsay Daphne Macuja, Marek Nový, Sara Gani
- Tools that can calculate it: Rhino.Ecologic
- Informs decisions on: Biodiversity and ecological connectivity on logistics sites
Something wrong or missing? Suggest a correction