Fig. 2From: Existing evidence on the impact of changes in marine ecosystem structure and functioning on ecosystem service delivery: a systematic mapTemporal trend of the number of published articles (no selected article was published between 1978 and 1990), with the number of articles published per year in blue (2021 is shown in red to indicate the year is incomplete: literature search was conducted in July) and the black line shows the increase in number of articles publishedBack to article page