Towards transferable functions for extraction of non-timber forest products: a case study on charcoal production in Tanzania

M. Schaafsma, S. Morse-Jones, P. Posen, R.D. Swetnam, A. Balmford, I.J. Bateman, Neil David Burgess, S.A.O. Chamshama, B. Fisher, R.E. Green, A.S. Hepelwa, A. Hernándes-Sirvent, G.C. Kajembe, K. Kulindwa, Jens Friis Lund, L. Mbwambo, Henrik Meilby, Y.M. Ngaga, Ida Theilade, Thorsten TreueV.G. Vyamana, R.K. Turner