There are various factors which affects the size, location, and character of a biome. Important factors are as follow:
- Length of daylight and darkness. This is mainly responsible for duration of photosynthesis.
- Mean temperature as well as difference in temperature. Differences (both diurnal and annual) to find out extreme conditions.
- Length of growing season.
- Precipitation which includes total amount, variations over time and intensity.
- Wind flow that include speed, direction, duration and frequency.
- Soil types
- Slope
- Drainage
- Other plant and animal species.
