Proposal for an index to evaluate dichotomous keys.
Nguyen Van Sinh, Martin Wiemers, Josef Settele
Author Information
Nguyen Van Sinh: Institute of Ecology and Biological Resources (IEBR), Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Ha Noi, Vietnam.
Martin Wiemers: Helmholtz Centre for Environmental Research - UFZ, Dept. Community Ecology, Theodor-Lieser-Str. 4, 06120 Halle, Germany.
Josef Settele: Helmholtz Centre for Environmental Research - UFZ, Dept. Community Ecology, Theodor-Lieser-Str. 4, 06120 Halle, Germany.
Dichotomous keys are the most popular type of identification keys. Studies have been conducted to evaluate dichotomous keys in many aspects. In this paper we propose an index for quantitative evaluation of dichotomous keys (E). The index is based on the evenness and allows comparing identification keys of different sizes.