Table 1

Previous Meta-Analyses on Nature-Based Solutions (NBSs)

AuthorSample SizeExplanatory VariableType of Nature / NBS
Reynaud and Lanzanova (2017)699Ecosystem services, method, study site characteristics, GDP per capita, geospatial variablesLakes
Bockarjova, Botzen, and Koetse (2020)147GDP per capita, region, area, population density, methodological variables (tax, choice experiment), type of natureUrban nature
Su, Friess, and Gasparatos (2021)167Stand age, restoration method, species origin, regional variationMangroves
Coventry et al. (2021)50Different nature-based interventions’ impacts on different physical and mental health indicatorsNBSs for mental and physical health
Brander and Koetse (2011)73Type of nature (parks, agriculture), payment vehicle, area, ecosystem services (recreation, preservation, aesthetic), elicitation format, GDP per capita and population densityUrban nature
Filho et al. (2021)1,350Type of nature, biome, continent, protection status, ecosystem services, income, population densityAll types of nature available in studies included in the Ecosystem Services Valuation Database