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Table 1 The different components of the systematic map

From: What evidence exists on how changes in marine ecosystem structure and functioning affect ecosystem services delivery? A systematic map protocol

PECO elements

Definition(s)

Population

 Marine biodiversity (ecosystems and species)

This will include all types of marine ecosystems and the species that they contain

Exposure

 Types of changes in marine biodiversity

All changes at all levels, from species to the ecosystems, functional and structural

Comparator

 Spatial difference—temporal difference

Spatial difference or difference in time

Outcomes

 Marine ecosystem services (and disservices)

All qualitative or quantitative values of marine ecosystem services and disservices

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Environmental Evidence

ISSN: 2047-2382