temps (durée) (1) enquête (1) société (humaine) (1) analyse (1) écosystème (1) écologie (1) climate change mitigation (1) carbone (1) Ecology (1) Carbon sequestration (1) Time (1) Stocks (1) Series (1) Science (1) Sahel (1) Landscapes (1) Exchange (1) Evaluation (1) Ecology (1) Carbon (1) Tax assessment (1) Climate change mitigation (1) Guizotia abyssinica (1) Analysis (1)