Resource Assessment of Non-Wood Forest Products: Experience and Biometric Principles

This publication is intended as reference material for practitioners considering inventory of non-wood forest product (NWFP) resources. Through review and analysis of experience it provides an overview of biometric issues in the design of NWFP inventory in the following areas: a description of the range of approaches used and developed to date and their biometric adequacy; and a suggested method for selecting appropriate biometric methods for resource quantification in different situations and for different products.