Definition

Environment: All the biotic and abioticfactors of a site
Locality Factors: The effective climatic, edaphic, topographic and biotic condition of a site, which influence the vegetation of the locality, also referred to as habitat factors.

Classification

1. Climatic factors
2. Topograpicfactors
3. Edaphic factors
4. Biotic factors
5. Other factors (Pollution, stress)