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Daphne (lokta), bark biomass production management implications for paper making in Nepal

Publication Type  Journal Article
Year  1986
Authors  Jeanrenaud, J. P.; Thompson, I.
Journal  Commonwealth Forestry Review
Volume  65
Pages  117-130
Abstract  

Bast of Daphne bholua and D. papyracea is the raw material for Nepalese hand-made paper. Biomass was determined for trees from 6 areas of Nepal. Regression analysis showed that diam. at 30 cm above ground (D30) was a satisfactory predictor of bark wt. A model using ht. as the predictor variable was unsatisfactory. Usable bark was regressed against age estimated from discs taken at D30. Predicted yields were 10 g at 5 yr old and 450 g at 20 yr old, indicating that Daphne should be managed under long rotations. Recommendations are made for managing the Daphne resource in Nepal to safeguard the long-term future of papermaking in the hills. A bark biomass table for D30 of 1.0-10.9 cm is included.