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Table 2 The eligibility criteria for article screening for the study question

From: Do small protected habitat patches within boreal production forests provide value for biodiversity conservation? A systematic review protocol

Question elements Eligibility criteria
Populations Included: Studies conducted in boreal forests including Baltic countries
Intervention Included: Woodland key habitats, small scale protected forest patches
Comparators Included: Managed forests, production forests, natural forests, uncut forest
Excluded: Non-forest lands, urban parks, wooded fields, e.g. Christmas tree plantations
Outcomes Included: Species diversity, richness, assemblage, individual abundance, the amount of deadwood
Study design Included: Control-intervention studies
Language Included: English, Finnish, Swedish and Russian