Lean forestry – A paradigm shift from economies of scale to precise and sustainable use of ecosystem services in forests

•Forestry practices are nowadays largely adopted from the idea of “big is beautiful”•Forestry operations are often excessive in relation to the profit that one can expect to gain.•Lean forestry aims to do precisely and only what is needed to fulfil the goals.•Precise forestry operations help to better secure wide range of ecosystem services.•Automated unmanned vehicles are developed to take precise lean decisions.