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Table 2 Definition of subject, intervention, outcomes and comparator

From: Does land abandonment decrease species richness and abundance of plants and animals in Mediterranean pastures, arable lands and permanent croplands?

Subject population Exposure Outcomes Comparator
Plant and animal populations that may change with land abandonment Abandonment of farming Change in species richness or abundance Control plots on adjacent farmland that has not been abandoned (“space-for-time substitution”) or Control plots on farmland before abandonment (“before-after comparisons”)