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. 2018 May 16;8:7619. doi: 10.1038/s41598-018-25989-2

Table 1.

Core-wise nutrient fluxes used as response variables, and macrofauna densities and biomasses, and bioturbation parameters used as predictors in the DistLM-analysis.

Core NOx NH4+ PO43− Si4+ M. arctia M. neg+vir Marenzelleria C. glaucum M. balthica H. diversicolo Hydrobiidae DbN SR MPD BI
mmol m−2 d−1 ind m−2 ww g m−2 cm2 yr−1 % cm yr−1 ml d−1
Ca −0.02 −0.15 −2.08 −0.08 0 1805 23.43 0.00 155.56 0.00 3.65 0.73 83.23 6.50 14.10
Cb 0.05 0.07 0.50 0.62 211 1053 10.27 3.27 0.14 0.00 7.55 0.00 76.83 5.50 32.74
Cc 0.10 0.38 3.37 0.85 0 1625 15.00 7.38 24.62 0.09 5.13 5.84 82.79 5.50 41.35
Cd 0.45 0.46 86.82 4.90 181 0 1.93 0.00 186.82 49.69 5.32 2.19 57.56 8.50 10.98
1a −0.01 0.46 52.85 0.29 812 812 21.34 0.00 238.50 3.61 3.19 5.84 68.57 10.00 78.89
1b 0.03 0.25 18.64 2.98 0 1264 1.75 0.00 6.84 4.89 5.05 1.46 74.49 5.50 36.31
1c 0.07 0.39 −4.22 0.10 542 0 2.71 9.35 0.00 3.77 5.07 1.10 58.86 8.50 21.72
1d −0.02 0.81 4.59 −0.86 650 975 28.03 27.20 0.00 28.23 5.34 3.29 77.01 6.50 97.63
2a 0.09 0.61 18.89 0.78 421 843 41.75 6.61 0.00 0.45 4.68 0.73 79.12 5.50 95.07
2b −0.06 0.14 8.52 0.41 316 948 7.17 2.40 183.93 0.00 2.33 0.37 69.50 5.50 37.63
2c 0.05 0.25 −2.31 0.04 1011 1517 13.32 2.33 0.00 0.00 2.69 1.10 68.69 4.50 22.53
2d 0.01 0.85 14.60 −0.45 963 481 10.79 2.24 0.02 0.00 3.09 1.46 71.63 12.00 57.80
3a 0.00 0.44 −1.69 0.17 1341 1006 33.57 2.17 0.00 2.94 2.94 2.19 80.05 7.50 14.27
3b 0.02 0.27 −1.60 1.26 963 481 4.95 1.23 0.02 0.00 1.23 0.37 65.73 3.50 54.24
3c −0.02 0.51 0.57 −0.26 722 1805 35.18 11.99 124.48 0.00 7.91 1.46 69.93 8.50 45.77
4a 0.08 0.97 16.56 0.32 2949 843 34.01 8.10 173.39 0.00 5.23 4.02 80.06 5.50 67.37
4b 0.04 0.89 1.74 1.54 4198 1399 25.72 3.05 209.76 0.00 2.33 2.19 86.64 7.50 90.18
4c 0.02 0.93 8.11 −0.07 2785 464 20.63 3.92 0.00 14.10 0.99 1.10 80.98 10.00 60.01
4d −0.02 1.04 3.76 0.93 2437 4062 65.47 2.92 0.00 0.00 2.40 4.75 88.35 8.50 131.25
5b −0.09 1.39 12.11 1.65 9749 0 43.86 4.39 14.88 0.00 4.04 1.46 91.34 4.50 140.17
5c −0.01 −0.70 −8.27 −2.19 433 650 14.58 42.64 9.64 164.87 3.63 2.56 90.30 8.50 103.81
average 0.04 0.49 11.02 0.62 1461 1049 21.69 6.72 63.27 12.98 3.99 2.11 74.70 7.05 59.71
min −0.09 −0.70 −8.27 −2.19 0 0 1.75 0.00 0.00 0.00 0.99 0.00 25.83 3.50 10.98
max 0.45 1.39 86.82 4.90 9749 4062 65.47 42.64 238.50 164.87 7.91 5.84 91.34 12.00 140.17

Note that the values for Marenzelleria include both the natural community and the worms added as part of the density treatments. Bioturbation parameters DbN = biodiffusion coefficient, SR = % of surface reworked, MPD = maximum penetration depth, BI = bioirrigation.