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Plants in the SPRUCE experimental area are dominated by peat mosses of the genus Sphagnum, which is an ecosystem engineer that produces much of the degrading biomass or “peat” in soils of northern peatlands. (Photo Joel Kostka)

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A close up of water-saturated Sphagnum moss covering a bog floor

Plants in the SPRUCE experimental area are dominated by peat mosses of the genus Sphagnum, which is an ecosystem engineer that produces much of the degrading biomass or “peat” in soils of northern peatlands. (Photo Joel Kostka)