Table 1 The six agroecological zone of Bhutan.
From: Climate change and potential impacts on agriculture in Bhutan: a discussion of pertinent issues
Agroecological zones | Altitude (m) | Temperature (°C) | Rainfall (mm year−1) | Remarks | ||
|---|---|---|---|---|---|---|
Monthly (max) | Monthly (min) | Annual mean | ||||
Wet subtropical | 150–600 | 34.60 | 11.60 | 23.60 | 2500–5500 | Agriculture predominant |
Humid subtropical | 600–1200 | 33.00 | 4.60 | 19.50 | 1200–2500 | Agriculture predominant |
Dry subtropical | 1200–1800 | 28.70 | 3.00 | 17.20 | 850–1200 | Agriculture predominant |
Warm temperate | 1800–2600 | 26.30 | 0.10 | 12.50 | 850–1200 | Agriculture predominant |
Cool temperate | 2600–3600 | 22.30 | 0.10 | 9.90 | 650–850 | Agriculture marginal |
Alpine | 3600–4600 | 12.00 | − 0.90 | 5.50 | < 650 | Livestock predominant |