Online Resource 4. Results of the Tukey’s post hoc test for the sediment nutrient drivers: OM = organic matter (%; n = 90), TP = total phosphorous (μg g sed-1; n = 90), NH4+ (μM; n = 90), and PO43- (μM; n = 90); the statistically significant p are in bold.

Variable / OM / Pair / Coefficent / SE / t / p
Time / T0 / F1-F2 / -4.25 / 0.0597217 / -71.163 / 0.00
F1-F3 / -4.1625 / 0.0346112 / -120.265 / 0.00
F1-F4 / -3.625 / 0.0478717 / -75.723 / 0.00
F1-F5 / -4.075 / 0.0559018 / -72.896 / 0.00
F1-F6 / -3.825 / 0.0749999 / -51 / 0.00
F2-F3 / 0.0875 / 0.059284 / 1.476 / 0.68
F2-F4 / 0.625 / 0.0678849 / 9.207 / 0.00
F2-F5 / 0.175 / 0.0737677 / 2.372 / 0.18
F2-F6 / 0.425 / 0.089116 / 4.769 / 0.00
F3-F4 / 0.5375 / 0.0473246 / 11.358 / 0.00
F3-F5 / 0.0875 / 0.055434 / 1.578 / 0.61
F3-F6 / 0.3375 / 0.0746519 / 4.521 / 0.00
F4-F5 / -0.45 / 0.0645499 / -6.971 / 0.00
F4-F6 / -0.2 / 0.0816497 / -2.449 / 0.15
F5-F6 / 0.25 / 0.0866025 / 2.887 / 0.05
T1 / F1-F2 / -5.3675 / 0.2289046 / -23.449 / 0.00
F1-F3 / -5.325 / 0.1973784 / -26.979 / 0.00
F1-F4 / -5.575 / 0.1070435 / -52.082 / 0.00
F1-F5 / -5.45 / 0.0790567 / -68.938 / 0.00
F1-F6 / -6.15 / 0.506222 / -12.149 / 0.00
F2-F3 / 0.0425 / 0.2888581 / 0.147 / 1.00
F2-F4 / -0.2075 / 0.2365145 / -0.877 / 0.95
F2-F5 / -0.0825 / 0.2252348 / -0.366 / 1.00
F2-F6 / -0.7825 / 0.548399 / -1.427 / 0.71
F3-F4 / -0.25 / 0.2061552 / -1.213 / 0.83
F3-F5 / -0.125 / 0.1931104 / -0.647 / 0.99
F3-F6 / -0.825 / 0.5360059 / -1.539 / 0.64
F4-F5 / 0.125 / 0.0989531 / 1.263 / 0.80
F4-F6 / -0.575 / 0.5097082 / -1.128 / 0.87
F5-F6 / -0.7 / 0.5045732 / -1.387 / 0.73
T2 / F1-F2 / -4.9425 / 0.170898 / -28.921 / 0.00
F1-F3 / -4.79 / 0.1202777 / -39.825 / 0.00
F1-F4 / -4.8 / 0.0912873 / -52.581 / 0.00
F1-F5 / -4.8 / 0.0912873 / -52.581 / 0.00
F1-F6 / -3.925 / 0.3682703 / -10.658 / 0.00
F2-F3 / 0.1525 / 0.1741823 / 0.876 / 0.95
F2-F4 / 0.1425 / 0.1555832 / 0.916 / 0.94
F2-F5 / 0.1425 / 0.1555832 / 0.916 / 0.94
F2-F6 / 1.0175 / 0.3892246 / 2.614 / 0.10
F3-F4 / -0.01 / 0.0972972 / -0.103 / 1.00
F3-F5 / -0.01 / 0.0972971 / -0.103 / 1.00
F3-F6 / 0.865 / 0.3698059 / 2.339 / 0.19
F4-F5 / 2.776E-15 / 0.0577354 / 0 / 1.00
F4-F6 / 0.875 / 0.3614181 / 2.421 / 0.16
F5-F6 / 0.875 / 0.3614181 / 2.421 / 0.16
T3 / F1-F2 / -3.565 / 0.7373189 / -4.835 / 0.00
F1-F3 / -4.7325 / 0.7408973 / -6.388 / 0.00
F1-F4 / -4.7 / 0.7356952 / -6.389 / 0.00
F1-F5 / -4.55 / 0.7345616 / -6.194 / 0.00
F1-F6 / -5.05 / 0.7458199 / -6.771 / 0.00
F2-F3 / -1.1675 / 0.1460239 / -7.995 / 0.00
F2-F4 / -1.135 / 0.1167977 / -9.718 / 0.00
F2-F5 / -0.985 / 0.1094303 / -9.001 / 0.00
F2-F6 / -1.485 / 0.1692379 / -8.775 / 0.00
F3-F4 / 0.0325 / 0.1375909 / 0.236 / 1.00
F3-F5 / 0.1825 / 0.1313947 / 1.389 / 0.73
F3-F6 / -0.3175 / 0.1842038 / -1.724 / 0.52
F4-F5 / 0.15 / 0.0978942 / 1.532 / 0.64
F4-F6 / -0.35 / 0.1620178 / -2.16 / 0.27
F5-F6 / -0.5 / 0.1567899 / -3.189 / 0.02
T4 / F1-F2 / -4.41 / 0.3833158 / -11.505 / 0.00
F1-F3 / -5.38 / 0.3674432 / -14.642 / 0.00
F1-F4 / -5.35 / 0.4232777 / -12.639 / 0.00
F1-F5 / -5.575 / 0.4289006 / -12.998 / 0.00
F1-F6 / -5.15 / 0.3730477 / -13.805 / 0.00
F2-F3 / -0.97 / 0.136442 / -7.109 / 0.00
F2-F4 / -0.94 / 0.2505314 / -3.752 / 0.00
F2-F5 / -1.165 / 0.2599185 / -4.482 / 0.00
F2-F6 / -0.74 / 0.1508858 / -4.904 / 0.00
F3-F4 / 0.03 / 0.2254983 / 0.133 / 1.00
F3-F5 / -0.195 / 0.2358837 / -0.827 / 0.96
F3-F6 / 0.23 / 0.1041633 / 2.208 / 0.24
F4-F5 / -0.225 / 0.3158966 / -0.712 / 0.98
F4-F6 / 0.2 / 0.2345198 / 0.853 / 0.96
F5-F6 / 0.425 / 0.2445224 / 1.738 / 0.51
Variable / TP / Pair / Coefficent / SE / t / p
T0 / F1-F2 / -317.25 / 8.63177 / -36.754 / 0.00
F1-F3 / -323.4 / 8.63177 / -37.466 / 0.00
F1-F4 / -347.075 / 8.63177 / -40.209 / 0.00
F1-F5 / -370.775 / 8.63177 / -42.955 / 0.00
F1-F6 / -336.975 / 8.63177 / -39.039 / 0.00
F2-F3 / -6.15 / 8.63177 / -0.712 / 0.98
F2-F4 / -29.825 / 8.63177 / -3.455 / 0.01
F2-F5 / -53.525 / 8.63177 / -6.201 / 0.00
F2-F6 / -19.725 / 8.63177 / -2.285 / 0.21
F3-F4 / -23.675 / 8.63177 / -2.743 / 0.08
F3-F5 / -47.375 / 8.63177 / -5.488 / 0.00
F3-F6 / -13.575 / 8.63177 / -1.573 / 0.62
F4-F5 / -23.7 / 8.63177 / -2.746 / 0.08
F4-F6 / 10.1 / 8.63177 / 1.17 / 0.85
F5-F6 / 33.8 / 8.63177 / 3.916 / 0.00
T1 / F1-F2 / -247.525 / 69.22009 / -3.576 / 0.01
F1-F3 / -426.05 / 69.22009 / -6.155 / 0.00
F1-F4 / -384.925 / 69.22009 / -5.561 / 0.00
F1-F5 / -400.15 / 69.22009 / -5.781 / 0.00
F1-F6 / -451.35 / 69.22009 / -6.521 / 0.00
F2-F3 / -178.525 / 69.22009 / -2.579 / 0.11
F2-F4 / -137.4 / 69.22009 / -1.985 / 0.36
F2-F5 / -152.625 / 69.22009 / -2.205 / 0.25
F2-F6 / -203.825 / 69.22009 / -2.945 / 0.05
F3-F4 / 41.125 / 69.22009 / 0.594 / 0.99
F3-F5 / 25.9 / 69.22009 / 0.374 / 1.00
F3-F6 / -25.3 / 69.22009 / -0.366 / 1.00
F4-F5 / -15.225 / 69.22009 / -0.22 / 1.00
F4-F6 / -66.425 / 69.22009 / -0.96 / 0.93
F5-F6 / -51.2 / 69.22009 / -0.74 / 0.98
T2 / F1-F2 / -56.8 / 64.77912 / -0.877 / 0.95
F1-F3 / -120.425 / 64.77912 / -1.859 / 0.43
F1-F4 / -237.4 / 64.77912 / -3.665 / 0.01
F1-F5 / -342.85 / 64.77912 / -5.293 / 0.00
F1-F6 / -445.65 / 64.77912 / -6.88 / 0.00
F2-F3 / -63.625 / 64.77912 / -0.982 / 0.92
F2-F4 / -180.6 / 64.77912 / -2.788 / 0.07
F2-F5 / -286.05 / 64.77912 / -4.416 / 0.00
F2-F6 / -388.85 / 64.77912 / -6.003 / 0.00
F3-F4 / -116.975 / 64.77912 / -1.806 / 0.47
F3-F5 / -222.425 / 64.77912 / -3.434 / 0.01
F3-F6 / -325.225 / 64.77912 / -5.021 / 0.00
F4-F5 / -105.45 / 64.77912 / -1.628 / 0.58
F4-F6 / -208.25 / 64.77912 / -3.215 / 0.02
F5-F6 / -102.8 / 64.77912 / -1.587 / 0.61
T3 / F1-F2 / -20.5 / 18.08155 / -1.134 / 0.87
F1-F3 / -249.7 / 18.08155 / -13.81 / 0.00
F1-F4 / -241.45 / 18.08155 / -13.353 / 0.00
F1-F5 / -249.85 / 18.08155 / -13.818 / 0.00
F1-F6 / -314.025 / 18.08155 / -17.367 / 0.00
F2-F3 / -229.2 / 18.08155 / -12.676 / 0.00
F2-F4 / -220.95 / 18.08155 / -12.22 / 0.00
F2-F5 / -229.35 / 18.08155 / -12.684 / 0.00
F2-F6 / -293.525 / 18.08155 / -16.233 / 0.00
F3-F4 / 8.25 / 18.08155 / 0.456 / 1.00
F3-F5 / -0.15 / 18.08155 / -0.008 / 1.00
F3-F6 / -64.325 / 18.08155 / -3.557 / 0.01
F4-F5 / -8.4 / 18.08155 / -0.465 / 1.00
F4-F6 / -72.575 / 18.08155 / -4.014 / 0.00
F5-F6 / -64.175 / 18.08155 / -3.549 / 0.01
T4 / F1-F2 / -22.625 / 23.36531 / -0.968 / 0.93
F1-F3 / -138.95 / 23.36531 / -5.947 / 0.00
F1-F4 / -154.575 / 23.36531 / -6.616 / 0.00
F1-F5 / -152.175 / 23.36531 / -6.513 / 0.00
F1-F6 / -118.375 / 23.36531 / -5.066 / 0.00
F2-F3 / -116.325 / 23.36531 / -4.979 / 0.00
F2-F4 / -131.95 / 23.36531 / -5.647 / 0.00
F2-F5 / -129.55 / 23.36531 / -5.545 / 0.00
F2-F6 / -95.75 / 23.36531 / -4.098 / 0.00
F3-F4 / -15.625 / 23.36531 / -0.669 / 0.98
F3-F5 / -13.225 / 23.36531 / -0.566 / 0.99
F3-F6 / 20.575 / 23.36531 / 0.881 / 0.95
F4-F5 / 2.4 / 23.36531 / 0.103 / 1.00
F4-F6 / 36.2 / 23.36531 / 1.549 / 0.63
F5-F6 / 33.8 / 23.36531 / 1.447 / 0.70
Variable / NH4+ / Pair / Coefficent / SE / t / p
T0 / F1-F2 / -39.9 / 11.774561 / -3.389 / 0.01
F1-F3 / -42.25 / 9.2809559 / -4.552 / 0.00
F1-F4 / -51 / 7.88721 / -6.466 / 0.00
F1-F5 / -181.275 / 9.6357146 / -18.813 / 0.00
F1-F6 / -240.8 / 9.6613121 / -24.924 / 0.00
F2-F3 / -2.35 / 11.128589 / -0.211 / 1.00
F2-F4 / -11.1 / 9.9958712 / -1.11 / 0.88
F2-F5 / -141.375 / 11.426126 / -12.373 / 0.00
F2-F6 / -200.9 / 11.447721 / -17.549 / 0.00
F3-F4 / -8.75 / 6.885731 / -1.271 / 0.80
F3-F5 / -139.025 / 8.8347159 / -15.736 / 0.00
F3-F6 / -198.55 / 8.8626273 / -22.403 / 0.00
F4-F5 / -130.275 / 7.3569114 / -17.708 / 0.00
F4-F6 / -189.8 / 7.3904061 / -25.682 / 0.00
F5-F6 / -59.525 / 9.2334726 / -6.447 / 0.00
T1 / F1-F2 / -105.675 / 18.888331 / -5.595 / 0.00
F1-F3 / -247.925 / 14.862646 / -16.681 / 0.00
F1-F4 / -398.65 / 14.096466 / -28.28 / 0.00
F1-F5 / -735.2 / 34.714576 / -21.178 / 0.00
F1-F6 / -794.3 / 26.392796 / -30.095 / 0.00
F2-F3 / -142.25 / 15.797947 / -9.004 / 0.00
F2-F4 / -292.975 / 15.079364 / -19.429 / 0.00
F2-F5 / -629.525 / 35.125186 / -17.922 / 0.00
F2-F6 / -688.625 / 26.930587 / -25.57 / 0.00
F3-F4 / -150.725 / 9.5664218 / -15.756 / 0.00
F3-F5 / -487.275 / 33.134693 / -14.706 / 0.00
F3-F6 / -546.375 / 24.277268 / -22.506 / 0.00
F4-F5 / -336.55 / 32.79817 / -10.261 / 0.00
F4-F6 / -395.65 / 23.815916 / -16.613 / 0.00
F5-F6 / -59.1 / 39.668492 / -1.49 / 0.67
T2 / F1-F2 / -46.95 / 5.8392087 / -8.04 / 0.00
F1-F3 / -72.675 / 5.6198708 / -12.932 / 0.00
F1-F4 / -121 / 22.087624 / -5.478 / 0.00
F1-F5 / -406.425 / 34.858696 / -11.659 / 0.00
F1-F6 / -697.85 / 44.440827 / -15.703 / 0.00
F2-F3 / -25.725 / 7.080669 / -3.633 / 0.01
F2-F4 / -74.05 / 22.50369 / -3.291 / 0.02
F2-F5 / -359.475 / 35.123804 / -10.235 / 0.00
F2-F6 / -650.9 / 44.649076 / -14.578 / 0.00
F3-F4 / -48.325 / 22.447776 / -2.153 / 0.27
F3-F5 / -333.75 / 35.088006 / -9.512 / 0.00
F3-F6 / -625.175 / 44.620921 / -14.011 / 0.00
F4-F5 / -285.425 / 41.078564 / -6.948 / 0.00
F4-F6 / -576.85 / 49.470262 / -11.661 / 0.00
F5-F6 / -291.425 / 56.343343 / -5.172 / 0.00
T3 / F1-F2 / -14.825 / 1.5118102 / -9.806 / 0.00
F1-F3 / -19.275 / 1.4276132 / -13.502 / 0.00
F1-F4 / -155.675 / 23.847047 / -6.528 / 0.00
F1-F5 / -250.25 / 43.44993 / -5.76 / 0.00
F1-F6 / -595.875 / 35.092044 / -16.98 / 0.00
F2-F3 / -4.45 / 2.0693963 / -2.15 / 0.27
F2-F4 / -140.85 / 23.894057 / -5.895 / 0.00
F2-F5 / -235.425 / 43.475749 / -5.415 / 0.00
F2-F6 / -581.05 / 35.124007 / -16.543 / 0.00
F3-F4 / -136.4 / 23.888877 / -5.71 / 0.00
F3-F5 / -230.975 / 43.472903 / -5.313 / 0.00
F3-F6 / -576.6 / 35.120484 / -16.418 / 0.00
F4-F5 / -94.575 / 49.563462 / -1.908 / 0.40
F4-F6 / -440.2 / 42.427491 / -10.375 / 0.00
F5-F6 / -345.625 / 55.850754 / -6.188 / 0.00
T4 / F1-F2 / -2.75 / 0.6913066 / -3.978 / 0.00
F1-F3 / -2.575 / 0.6644156 / -3.876 / 0.00
F1-F4 / -20.875 / 8.1842336 / -2.551 / 0.12
F1-F5 / -96.4 / 17.930156 / -5.376 / 0.00
F1-F6 / -288.95 / 57.404422 / -5.034 / 0.00
F2-F3 / 0.175 / 0.8513363 / 0.206 / 1.00
F2-F4 / -18.125 / 8.2015246 / -2.21 / 0.24
F2-F5 / -93.65 / 17.938055 / -5.221 / 0.00
F2-F6 / -286.2 / 57.40689 / -4.985 / 0.00
F3-F4 / -18.3 / 8.1993017 / -2.232 / 0.23
F3-F5 / -93.825 / 17.937039 / -5.231 / 0.00
F3-F6 / -286.375 / 57.406572 / -4.989 / 0.00
F4-F5 / -75.525 / 19.704761 / -3.833 / 0.00
F4-F6 / -268.075 / 57.983228 / -4.623 / 0.00
F5-F6 / -192.55 / 60.137871 / -3.202 / 0.02
Variable / PO34- / Pair / Coefficent / SE / t / p
T0 / F1-F2 / -0.65 / 0.066458 / -9.781 / 0.00
F1-F3 / -2.625 / 0.0677003 / -38.774 / 0.00
F1-F4 / -3.45 / 0.0730297 / -47.241 / 0.00
F1-F5 / -4.975 / 0.2818836 / -17.649 / 0.00
F1-F6 / -70.25 / 3.1619548 / -22.217 / 0.00
F2-F3 / -1.975 / 0.0387298 / -50.994 / 0.00
F2-F4 / -2.8 / 0.0474342 / -59.029 / 0.00
F2-F5 / -4.325 / 0.2763603 / -15.65 / 0.00
F2-F6 / -69.6 / 3.1614672 / -22.015 / 0.00
F3-F4 / -0.825 / 0.0491596 / -16.782 / 0.00
F3-F5 / -2.35 / 0.2766617 / -8.494 / 0.00
F3-F6 / -67.625 / 3.1614936 / -21.39 / 0.00
F4-F5 / -1.525 / 0.2780138 / -5.485 / 0.00
F4-F6 / -66.8 / 3.1616122 / -21.128 / 0.00
F5-F6 / -65.275 / 3.1733132 / -20.57 / 0.00
T1 / F1-F2 / -0.55 / 0.066458 / -8.276 / 0.00
F1-F3 / -1.975 / 0.0677003 / -29.173 / 0.00
F1-F4 / -2.575 / 0.0730297 / -35.26 / 0.00
F1-F5 / -4.525 / 0.2818836 / -16.053 / 0.00
F1-F6 / -54.2 / 3.1619548 / -17.141 / 0.00
F2-F3 / -1.425 / 0.0387298 / -36.793 / 0.00
F2-F4 / -2.025 / 0.0474342 / -42.691 / 0.00
F2-F5 / -3.975 / 0.2763603 / -14.383 / 0.00
F2-F6 / -53.65 / 3.1614672 / -16.97 / 0.00
F3-F4 / -0.6 / 0.0491596 / -12.205 / 0.00
F3-F5 / -2.55 / 0.2766617 / -9.217 / 0.00
F3-F6 / -52.225 / 3.1614936 / -16.519 / 0.00
F4-F5 / -1.95 / 0.2780138 / -7.014 / 0.00
F4-F6 / -51.625 / 3.1616122 / -16.329 / 0.00
F5-F6 / -49.675 / 3.1733132 / -15.654 / 0.00
T2 / F1-F2 / 0.775 / 0.066458 / 11.661 / 0.00
F1-F3 / -0.825 / 0.0677003 / -12.186 / 0.00
F1-F4 / -1.225 / 0.0730297 / -16.774 / 0.00
F1-F5 / -3.05 / 0.2818836 / -10.82 / 0.00
F1-F6 / -44.375 / 3.1619548 / -14.034 / 0.00
F2-F3 / -1.6 / 0.0387298 / -41.312 / 0.00
F2-F4 / -2 / 0.0474342 / -42.164 / 0.00
F2-F5 / -3.825 / 0.2763603 / -13.841 / 0.00
F2-F6 / -45.15 / 3.1614672 / -14.281 / 0.00
F3-F4 / -0.4 / 0.0491596 / -8.137 / 0.00
F3-F5 / -2.225 / 0.2766617 / -8.042 / 0.00
F3-F6 / -43.55 / 3.1614936 / -13.775 / 0.00
F4-F5 / -1.825 / 0.2780138 / -6.564 / 0.00
F4-F6 / -43.15 / 3.1616122 / -13.648 / 0.00
F5-F6 / -41.325 / 3.1733132 / -13.023 / 0.00
T3 / F1-F2 / -0.075 / 0.066458 / -1.129 / 0.87
F1-F3 / -0.175 / 0.0677003 / -2.585 / 0.11
F1-F4 / -1.1 / 0.0730297 / -15.062 / 0.00
F1-F5 / -3.825 / 0.2818836 / -13.569 / 0.00
F1-F6 / -32.05 / 3.1619548 / -10.136 / 0.00
F2-F3 / -0.1 / 0.0387298 / -2.582 / 0.11
F2-F4 / -1.025 / 0.0474342 / -21.609 / 0.00
F2-F5 / -3.75 / 0.2763603 / -13.569 / 0.00
F2-F6 / -31.975 / 3.1614672 / -10.114 / 0.00
F3-F4 / -0.925 / 0.0491596 / -18.816 / 0.00
F3-F5 / -3.65 / 0.2766617 / -13.193 / 0.00
F3-F6 / -31.875 / 3.1614936 / -10.082 / 0.00
F4-F5 / -2.725 / 0.2780138 / -9.802 / 0.00
F4-F6 / -30.95 / 3.1616122 / -9.789 / 0.00
F5-F6 / -28.225 / 3.1733132 / -8.894 / 0.00
T4 / F1-F2 / 0.4 / 0.066458 / 6.019 / 0.00
F1-F3 / -0.1 / 0.0677003 / -1.477 / 0.68
F1-F4 / -0.8 / 0.0730297 / -10.954 / 0.00
F1-F5 / -0.05 / 0.2818836 / -0.177 / 1.00
F1-F6 / -32.85 / 3.1619548 / -10.389 / 0.00
F2-F3 / -0.5 / 0.0387298 / -12.91 / 0.00
F2-F4 / -1.2 / 0.0474342 / -25.298 / 0.00
F2-F5 / -0.45 / 0.2763603 / -1.628 / 0.58
F2-F6 / -33.25 / 3.1614672 / -10.517 / 0.00
F3-F4 / -0.7 / 0.0491596 / -14.239 / 0.00
F3-F5 / 0.05 / 0.2766617 / 0.181 / 1.00
F3-F6 / -32.75 / 3.1614936 / -10.359 / 0.00
F4-F5 / 0.75 / 0.2780138 / 2.698 / 0.09
F4-F6 / -32.05 / 3.1616122 / -10.137 / 0.00
F5-F6 / -32.8 / 3.1733132 / -10.336 / 0.00

5