Table 2 Listing of academic grey literature databases and search details

Proquest dissertations and theses global

Dissertations and theses

Advanced search; search anywhere except full text; all dates; all source types; all document types; limited to English language results

(“ecosystem service” OR “nature’s contributions to people” OR “nature’s gifts*” OR “natural capital” OR “nature’s benefit*”) AND (collaborat* OR cooperation OR coordination OR joint) AND (manage* OR govern* OR regulat*)

bioRxiv

Biology-related preprints

Advanced search: all dates; all; collections; all sections

“ecosystem service” AND (collaborat* or cooperat* or coordinat* or joint) AND (management OR governance)

National science foundation award search

Articles and grant proposals in non-medical fields of science and engineering

Advanced search keyword field

(1) “ecosystem services” AND (collaborat* or cooperat* or coordinat* or joint) AND (management OR governance); (2) nature* AND gifts; (3) nature* AND “contributions to people”

Cordis EU research results

European Union-funded research projects

Projects and results: all results/select all

“ecosystem service” AND collaborat* AND (management OR governance)

OpenGrey^a

Grey literature

Basic search

“ecosystem services”