Supplement 1. Data containing a list of studies used in the meta-analysis, including type of CO2 treatment, dominant vegetation, and values for mean ambient and mean elevated activity for the various enzyme groups.

<h2>File List</h2><blockquote> <p><a href="data.txt">data.txt</a> -- (MD5: f6ba0153fbb3db8e543a20ee1f948437)</p> </blockquote><h2>Description</h2><blockquote> <p>The data.txt file is a tab-delimited file. It contains a list of studies used in the meta-analysis, including type of CO<sub>2</sub> treatment, dominant vegetation, and values for mean ambient and mean elevated activity for the various enzyme groups.</p> <p>Column definitions</p> <p>1. Study citation</p> <p>2. Type of CO<sub>2</sub> treatment</p> <p>3. Length of CO<sub>2</sub> treatment </p> <p>4. Dominant Vegetation</p> <p>5. Treatment (Elevated or Ambient)</p> <p>6. Simple Sugar Degradation</p> <p>7. Starch Degradation</p> <p>8. b-glucan Degradation</p> <p>9. Cellulose Degradation</p> <p>10. Xylan/Hemicellulose Degradation</p> <p>11. Lignin Degradation</p> <p>12. Chitin Degradation</p> <p>13. Protein Degradation</p> <p>14. Organic P Degradation</p> <p>15. Organic S Degradation</p> <p>Missing values are represented as “-9999”.</p> <p>Checksum values are (calculations do not include “-9999” for missing values):</p> <p>Column 6 (Simple Sugar Degradation): SUM= 35031.1; 126 missing values (rows with data: 32)</p> <p>Column 8 (b-glucan Degradation): SUM= 24891.97; 102 missing values (rows with data: 56)</p> <p>Column 11 (Lignin Degradation): SUM= 29411.038; 120 missing values (rows with data: 38)</p> <p>Column 15 (Organic S Degradation): SUM= 1053.8; 130 missing values (rows with data: 28)</p> </blockquote>