Key points are not available for this paper at this time.
Singh, N. J., K. Danell, L. Edenius, and G. Ericsson. 2014. Tackling the motivation to monitor: success and sustainability of a participatory monitoring program. Ecology and Society 19(4): 7. https://doi.org/10.5751/ES-06665-190407
Singh et al. (Wed,) studied this question.