Thin trees within forests
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
Background information and definitions
Thinning of trees entails the removal of trees to reduce density. This intervention, which is usually undertaken in commercial forestry to ensure that stands are made up of healthy even-spaced trees, aims to restore more natural open forest by increasing structural diversity in young even-aged stands and promoting the development of larger trees, multi-level canopies, and understorey vegetation. Although originally used in the context of commercial forestry, this intervention is believed to also promote primate conservation in selectively-logged forest.
The clearing of open patches in the forest to reduce undergrowth density is discussed under ‘Clear open patches in the forest’. The clearing of secondary mid-storey and ground-level vegetation is discussed under ‘Manually control or remove secondary mid-storey and ground-level vegetation’.