Eight years of forest-floor CO₂ exchange in a boreal black spruce forest: Spatial integration and long-term temporal trends

Agriculture & Biology

• Picea mariana 100%
• forest litter 89%
• soil respiration 40%
• soil water content 20%
• photosynthesis 18%
• climate 13%
• soil temperature 8%
• climate change 6%
• Pleurozium schreberi 6%
• organic horizons 6%
• winter 5%
• mineral soils 5%
• water table 5%

Earth & Environmental Sciences

• forest floor 90%
• trend 38%
• soil respiration 37%
• photosynthesis 23%
• soil water 16%
• water content 15%
• timescale 11%
• climate conditions 8%
• soil temperature 8%
• climate 6%
• cold 5%
• feather 5%
• winter 5%