What do we know about the impacts of the Marine Stewardship Council seafood ecolabelling program? A systematic map

Table 1 Overview of application of inclusion/exclusion criteria

	Effect of the MSC (included)		About MSC (excluded)	Excluded
Population	Yes	Yes	Yes	No
Intervention	Yes	Yes	Yes	No
Comparator	Yes	No^a	No	No
Outcome	Yes—Effect of MSC	Yes—Effect of MSC	No—Description of MSC (no effect explicitly studied)^b	No
Total number	28	37	108	206

^aIncluded and coded but noted separately, as per the protocol, for not having a Comparator
^bExcluded, as per the protocol, for not meeting Outcome and Comparator criteria, but coded and discussed in narrative synthesis for meeting Population and Intervention criteria to satisfy a secondary aim of the report

ISSN: 2047-2382