Joyson Ahongshangbam¹, Alexander Röll¹, Florian Ellsäßer¹, Hendrayanto Hendrayanto² and Dirk Hölscher^1,3, (1)University of Göttingen, Tropical Silviculture and Forest Ecology, Göttingen, Germany, (2)Bogor Agricultural University, Forest Management, Bogor, Indonesia, (3)University of Göttingen, Centre of Biodiversity and Sustainable Land Use, Göttingen, Germany