Fig. 3
Trends of forest ecosystem services study from 2005 to 2018 using Scopus database. This figure exclusively explains the trends of forest ecosystem services since 2005 on wards using Scopus as the main data source. It showed that the number of publication is increasing in positive ways up to 2017. However, the last year (2018) had the lower number of publication and it might be linked with the time demands to register the published articles from various journal types in Scopus data base