Selective Logging
Selective Logging is an Age of Empires III technology available to Africans from the Commerce Age, researched at Livestock Market. It increases villager gathering from tree and Mango Grove by 15%.

Research profile
- Age
- Commerce Age
- Civilization
- Africans
- Research location
- Livestock Market
- Prerequisite
- Hardened Iron Axes
- Research time
- 30 seconds
- Food cost
- 125
- Coin cost
- 125
- Effect
- Villager gather work rate for tree and Mango Grove +15%
- Next technology
- Blackwood Trade
Effect & research conditions
Available to Africans from the Commerce Age. Research it at Livestock Market. It requires Hardened Iron Axes. Effect: Villager gather work rate for tree and Mango Grove +15%. Research costs 125 food, 125 coin. Research takes 30 seconds. Further research: Blackwood Trade.
Research condition
Available to Africans from the Commerce Age. Research it at Livestock Market. It requires Hardened Iron Axes.
When to research
Research after Hardened Iron Axes when a meaningful group of Villagers can keep logging through the Commerce Age. It costs 125 Food and 125 Coin, takes 30 seconds and adds a 15% Wood-gathering bonus to trees and Mango Groves. The next step, Blackwood Trade, is a separate later upgrade; the line is not worthwhile if the forest is depleted or workers cannot be protected.
Second step in the African Wood line
Selective Logging improves Villager Wood gathering from trees and Mango Groves by 15%. It follows Hardened Iron Axes and does not affect other resources or building construction. Blackwood Trade is the listed follow-up.
Commerce Age cost and research
African civilizations research it at the Livestock Market in the Commerce Age after Hardened Iron Axes. The cost is 125 Food and 125 Coin for 30 seconds. It pays back through ongoing logging, so consider remaining Wood demand and worker safety.