ID species treatment fresh biomass (g) fresh biomass after (g) dry biomass end (g) (30-7-2013) FWeaten (g) 450nm TON NH4 PO4 NO2 FW caterpillar end (mg) P% C% N% TPC% caterpillar.DM caterpillar.C caterpillar.N caterpillar.P 1 Potamogeton lucens herbivore 0.3897 0.2112 0.0254 0.1785 0.0205 0.002 0.044 0.026 0.005 70 0.41 39.8 2.6 3.65 9.4 41.9 9.8 2.2 2 Potamogeton lucens control 0.4452 0.477 0.1028 -0.0318 0.00358 0.002 0.031 0.018 0.003 0.38 39.8 2.2 3.34 3 Potamogeton lucens control 0.3173 0.3169 0.0763 0.0004 0.000412 0 0.034 0.014 0.003 0.48 38.7 2.2 3.89 4 Potamogeton lucens herbivore 0.3499 0.1709 0.0266 0.179 0.0197 -0.001 0.034 0.098 -0.001 41 0.63 40.8 3.0 3.81 5.5 47.0 10.6 1.8 5 Potamogeton lucens herbivore 0.4613 0.0493 0.0079 0.412 0.0256 -0.002 0.037 0.145 -0.001 108 0.42 42.5 2.6 3.40 14.4 45.7 8.9 2.0 6 Potamogeton lucens control 0.3245 0.3171 0.0641 0.0074 0.00184 0.005 0.032 0.018 0.003 0.32 38.6 2.4 2.70 7 Potamogeton lucens control 0.5022 0.5082 0.1052 -0.006 0.000739 -0.002 0.026 0.014 0 0.52 40.9 2.7 3.46 8 Potamogeton lucens herbivore 0.3561 0.0191 0.0006 0.337 0.0216 -0.003 0.039 0.174 -0.002 80 NA NA NA NA 14.3 44.9 9.5 1.4 9 Myriophyllum spicatum herbivore 0.3928 0.1843 0.0249 0.2085 0.00937 -0.002 0.035 0.047 0 52 0.37 41.5 2.1 8.12 7.2 46.6 11.4 2.1 10 Myriophyllum spicatum control 0.3438 0.3806 0.0661 -0.0368 0.000529 -0.003 0.039 0.018 -0.001 0.23 41.2 1.5 7.46 11 Myriophyllum spicatum control 0.4233 0.4578 0.0782 -0.0345 0.000839 -0.003 0.043 0.016 -0.001 0.21 40.2 1.5 7.31 12 Myriophyllum spicatum herbivore 0.4119 0.2271 0.0225 0.1848 0.0213 -0.004 0.026 0.016 -0.001 23 0.26 40.2 1.5 7.09 3 45.4 11.4 2.0 13 Myriophyllum spicatum herbivore 0.5005 0.2407 0.0280 0.2598 0.02 -0.003 0.033 0.025 -0.001 66 0.29 40.1 1.6 6.95 7.6 45.6 10.8 2.2 14 Myriophyllum spicatum control 0.3569 0.3702 0.0603 -0.0133 0.00269 -0.004 0.029 0.016 -0.002 0.28 41.1 1.5 8.24 15 Myriophyllum spicatum control 0.4802 0.5167 0.0867 -0.0365 0.00219 -0.002 0.035 0.015 -0.001 0.22 40.5 1.4 7.28 16 Myriophyllum spicatum herbivore 0.3637 0.1365 0.0111 0.2272 0.0134 -0.004 0.03 0.028 -0.002 45 0.37 41.5 1.5 6.48 5.5 45.3 11.2 1.9 17 Ceratophyllum demersum herbivore 0.5323 0 0.0000 0.5323 0.00813 -0.002 0.033 0.415 -0.002 58 NA NA NA NA 7.4 47.6 10.0 1.9 18 Ceratophyllum demersum control 0.5468 0.5827 0.0372 -0.0359 0.00305 -0.002 0.033 0.023 -0.001 0.91 37.5 2.2 2.18 19 Ceratophyllum demersum control 0.4677 0.4738 0.0431 -0.0061 0.00136 -0.004 0.03 0.018 -0.001 0.20 38.4 1.3 1.93 20 Ceratophyllum demersum herbivore 0.4203 0 0.0000 0.4203 0.00495 -0.004 0.032 0.04 0 58 NA NA NA NA 6.7 44.8 9.8 2.2 21 Ceratophyllum demersum herbivore 0.5017 0 0.0000 0.5017 0.00722 -0.005 0.033 0.35 0 68 NA NA NA NA 6.8 44.3 10.5 1.9 22 Ceratophyllum demersum control 0.5927 0.6264 0.0474 -0.0337 0.00616 -0.005 0.03 0.032 0 0.81 37.8 1.9 1.99 23 Ceratophyllum demersum control 0.3903 0.3647 0.0369 0.0256 0.00709 -0.004 0.032 0.019 0.002 0.51 38.9 1.2 2.65 24 Ceratophyllum demersum herbivore 0.3604 0 0.0000 0.3604 0.00878 -0.005 0.028 0.259 0 93 NA NA NA NA 7.9 41.4 11.4 2.4 25 Ranunculus circinatus herbivore 0.5648 0.5394 0.0866 0.0254 0.0057 -0.005 0.034 0.031 0.001 20 0.48 38.9 1.0 2.42 1.9 43.1 12.2 2.1 26 Ranunculus circinatus control 0.4864 0.4697 0.0867 0.0167 0.0114 -0.002 0.026 0.018 0.002 0.52 39.1 1.4 2.26 27 Ranunculus circinatus control 0.5115 0.4896 0.0902 0.0219 0.000965 -0.003 0.033 0.016 0 0.51 40.6 1.6 2.66 28 Ranunculus circinatus herbivore 0.3909 0.3744 0.0636 0.0165 0.00515 -0.004 0.03 0.029 0.001 12 0.57 39.9 1.4 2.85 1.6 44.5 11.6 1.4 29 Ranunculus circinatus herbivore 0.4101 0.4063 0.0871 0.0038 0.00181 -0.003 0.036 0.028 -0.001 19 0.48 40.0 1.8 2.43 2.2 42.5 13.3 1.9 30 Ranunculus circinatus control 0.3098 0.3148 0.0628 -0.005 0.00253 -0.004 0.027 0.016 0.001 0.41 39.6 1.4 2.11 31 Ranunculus circinatus control 0.5106 0.5173 0.0875 -0.0067 0.00263 -0.004 0.035 0.018 0 0.45 39.9 1.6 2.10 32 Ranunculus circinatus herbivore 0.3323 0.2851 0.0706 0.0472 0.0045 -0.005 0.024 0.03 0.001 13 0.41 39.9 1.3 2.03 2.2 43.9 12.5 1.5 33 Elodea nuttallii herbivore 0.3934 0.0758 0.0069 0.3176 0.0187 -0.004 0.038 0.083 -0.001 74 0.49 42.3 1.4 2.67 9.4 46.7 9.8 1.6 34 Elodea nuttallii control 0.3586 0.3694 0.0652 -0.0108 0.00245 -0.002 0.03 0.016 0 0.43 36.7 1.6 1.98 35 Elodea nuttallii control 0.3835 0.4075 0.0689 -0.024 0.00337 -0.003 0.032 0.014 0.001 0.48 36.2 1.7 1.97 36 Elodea nuttallii herbivore 0.3972 0.2251 0.0214 0.1721 0.0258 -0.005 0.033 0.13 0 45 0.75 37.2 1.9 3.03 5.4 48.9 10.0 1.8 37 Elodea nuttallii herbivore 0.3415 0.0865 0.0041 0.255 0.0218 -0.003 0.035 0.224 0.001 64 0.66 38.4 1.9 3.84 8.3 44.4 10.3 1.9 38 Elodea nuttallii control 0.494 0.5276 0.0846 -0.0336 0.00127 -0.003 0.03 0.02 0.002 0.39 35.9 1.4 2.48 39 Elodea nuttallii control 0.346 0.3352 0.0654 0.0108 0.00244 -0.001 0.032 0.014 0.002 0.31 35.1 1.1 2.13 40 Elodea nuttallii herbivore 0.448 0.2755 0.0322 0.1725 0.0116 -0.004 0.032 0.033 0.001 39 0.57 36.9 1.6 2.58 4.4 44.8 11.9 2.2 41 Potamogeton pusillus herbivore 0.5039 0.022 0.0024 0.4819 0.016 -0.004 0.028 0.146 0 81 NA 46.2 1.8 NA 11.3 49.8 7.3 1.3 42 Potamogeton pusillus control 0.4901 0.5372 0.0891 -0.0471 0.000513 -0.003 0.025 0.017 0.002 0.25 39.4 1.4 2.10 43 Potamogeton pusillus control 0.4151 0.4612 0.0711 -0.0461 0.0000677 -0.002 0.029 0.014 0.003 0.30 39.3 1.5 1.73 44 Potamogeton pusillus herbivore 0.5071 0.3687 0.0504 0.1384 0.0138 -0.004 0.025 0.033 0.001 22 0.51 41.4 2.9 1.74 3 44.3 10.5 1.8 45 Potamogeton pusillus herbivore 0.366 0.0444 0.0046 0.3216 0.0105 -0.002 0.042 0.05 0.001 77 0.13 48.1 1.4 2.68 8.7 48.2 9.7 1.7 46 Potamogeton pusillus control 0.3598 0.3805 0.0554 -0.0207 -0.00129 -0.002 0.027 0.012 0.001 0.29 40.0 1.6 1.87 47 Potamogeton pusillus control 0.4413 0.4823 0.0861 -0.041 -0.00023 -0.001 0.027 0.011 0.002 0.30 40.4 1.4 1.87 48 Potamogeton pusillus herbivore 0.467 0.0483 0.0045 0.4187 0.0133 -0.003 0.03 0.106 -0.001 45 0.21 45.5 1.6 2.01 5.6 43.8 10.8 1.5 49 Chara contraria herbivore 0.5508 0.5203 0.1056 0.0305 0.00769 -0.001 0.039 0.03 0.002 20 0.16 25.1 0.9 1.28 4 42.9 12.0 2.1 50 Chara contraria control 0.4484 0.4826 0.0880 -0.0342 0.000416 -0.001 0.033 0.013 0.002 0.25 27.1 1.2 1.22 51 Chara contraria control 0.4683 0.508 0.1107 -0.0397 0.00744 -0.001 0.03 0.012 0.002 0.18 25.9 0.9 1.25 52 Chara contraria herbivore 0.5368 0.4859 0.0897 0.0509 0.00511 -0.002 0.036 0.026 0.001 18 0.21 27.0 1.1 1.19 3.3 43.7 11.6 2.2 53 Chara contraria herbivore 0.4717 0.472 0.0798 -0.0003 0.00638 -0.001 0.036 0.066 0 30 0.20 25.3 1.0 1.24 2.8 42.4 12.9 1.7 54 Chara contraria control 0.5677 0.6108 0.1473 -0.0431 0.000109 0 0.029 0.014 0.001 0.18 25.6 0.8 1.15 55 Chara contraria control 0.5129 0.5183 0.1091 -0.0054 0.00116 -0.001 0.037 0.015 -0.001 0.16 25.0 0.9 1.18 56 Chara contraria herbivore 0.3918 0.4276 0.0750 -0.0358 0.00311 0 0.03 0.015 0 1 0.19 24.6 0.9 1.18 1 44.3 12.7 1.6 57 Cabomba caroliniana herbivore 0.3838 0.3593 0.0258 0.0245 0.00193 0 0.033 0.016 -0.001 3 0.48 37.7 2.4 2.48 0.6 43.6 10.7 3.0 58 Cabomba caroliniana control 0.3864 0.3682 0.0352 0.0182 0.00304 0.001 0.033 0.012 0 0.49 39.2 2.6 3.88 59 Cabomba caroliniana control 0.4709 0.4859 0.0419 -0.015 0.00214 0.002 0.035 0.01 0 0.50 39.6 2.5 3.52 60 Cabomba caroliniana herbivore 0.5976 0.5694 0.0545 0.0282 0.00379 0.001 0.031 0.019 -0.001 18 0.53 39.2 2.6 3.86 1.6 43.1 12.6 2.2 61 Cabomba caroliniana herbivore 0.3695 0.3811 0.0309 -0.0116 0.012 0.003 -0.038 0.031 0 17 0.48 39.7 2.5 3.35 2.4 43.3 12.7 2.0 62 Cabomba caroliniana control 0.5741 0.6067 0.0484 -0.0326 0.0028 0.003 -0.042 0.01 0 0.49 39.8 2.3 3.18 63 Cabomba caroliniana control 0.4856 0.4795 0.0412 0.0061 0.0033 0.002 -0.037 0.009 0 0.48 40.3 2.4 3.88 64 Cabomba caroliniana herbivore 0.4892 0.4847 0.0417 0.0045 0.0025 0.001 -0.047 0.008 0 6 0.51 40.6 2.7 4.94 1.1 44.8 11.9 1.5 65 Myriophyllum heterophyllum herbivore 0.5736 0.0852 0.0074 0.4884 0.0132 0.001 -0.037 0.092 0 99 NA 47.8 1.8 NA 11.3 46.4 10.1 1.6 66 Myriophyllum heterophyllum control 0.4088 0.4193 0.0405 -0.0105 0.00388 0.002 -0.044 0.012 0 0.38 38.2 2.5 4.64 67 Myriophyllum heterophyllum control 0.4322 0.4436 0.0442 -0.0114 0.00229 0.002 -0.041 0.008 0 0.41 38.8 2.7 4.57 68 Myriophyllum heterophyllum herbivore 0.4916 0.0559 0.0046 0.4357 0.00751 0.001 -0.038 0.135 0 68 0.74 44.6 3.1 4.85 8.9 46.8 10.8 1.8 69 Myriophyllum heterophyllum herbivore 0.4337 0.0781 0.0070 0.3556 0.0059 0.001 -0.041 0.025 0 53 0.68 39.4 2.2 3.77 7.2 45.0 9.1 1.7 70 Myriophyllum heterophyllum control 0.4638 0.4737 0.0433 -0.0099 0.0025 0.002 -0.038 0.009 0 0.52 36.4 2.9 3.18 71 Myriophyllum heterophyllum control 0.4125 0.3992 0.0359 0.0133 0.0034 0.003 -0.038 0.006 0 65 0.49 39.6 3.2 3.96 72 Myriophyllum heterophyllum herbivore 0.5494 0.0561 0.0037 0.4933 0.013 0 -0.039 0.198 0 65 0.58 39.3 1.8 2.51 10.9 52.0 8.3 1.3 73 Myriophyllum verticillatum herbivore 0.4062 0.3997 0.0314 0.0065 0.00611 0.003 -0.037 0.032 0 29 0.30 38.9 2.2 3.25 4.1 46.6 11.7 1.6 74 Myriophyllum verticillatum control 0.6059 0.614 0.0416 -0.0081 0.0116 0.003 -0.024 0.012 0 0.28 38.5 2.0 2.62 75 Myriophyllum verticillatum control 0.5295 0.5102 0.0408 0.0193 0.0124 0.003 -0.039 0.01 0 0.21 38.6 1.4 4.08 76 Myriophyllum verticillatum herbivore 0.3767 0.4023 0.0354 -0.0256 0.00692 0.001 -0.038 0.018 0 42 0.24 38.5 1.5 3.78 3.7 43.7 11.9 1.9 77 Myriophyllum verticillatum herbivore 0.3934 0.3994 0.0264 -0.006 0.00341 0 -0.033 0.029 0 20 0.33 37.8 1.7 3.36 2 43.2 12.1 1.8 78 Myriophyllum verticillatum control 0.3417 0.3763 0.0274 -0.0346 0.0117 0.003 -0.041 0.011 0 0.49 38.5 2.7 3.83 79 Myriophyllum verticillatum control 0.3601 0.3786 0.0333 -0.0185 0.00917 0.005 -0.031 0.008 0 0.20 38.6 1.5 3.99 80 Myriophyllum verticillatum herbivore 0.4939 0.5079 0.0381 -0.014 0.00156 0 -0.039 0.012 0 9 0.49 39.0 2.1 3.49 1.4 43.2 11.3 1.5 81 Myriophyllum aquaticum herbivore 0.6177 0.3461 0.0254 0.2716 0.00566 0 -0.034 0.045 0 18 0.18 37.2 0.8 4.09 4.4 43.0 11.0 2.3 82 Myriophyllum aquaticum control 0.5529 0.546 0.0360 0.0069 0.000304 0.002 -0.035 0.006 0 0.14 37.8 0.9 3.65 83 Myriophyllum aquaticum control 0.5488 0.5314 0.0352 0.0174 0.012 0.001 -0.029 0.006 0 0.15 37.9 1.0 3.91 84 Myriophyllum aquaticum herbivore 0.4238 0.1883 0.0138 0.2355 0.01 0.002 -0.037 0.018 0 17 0.06 40.0 0.7 3.08 2 42.7 10.9 2.3 85 Myriophyllum aquaticum herbivore 0.5841 0.2808 0.0235 0.3033 0.00554 0 -0.038 0.05 0 41 0.10 39.6 0.6 4.93 3.8 43.6 11.4 2.2 86 Myriophyllum aquaticum control 0.6129 0.6044 0.0383 0.0085 0.00102 0.002 -0.032 0.007 0 0.11 37.5 0.9 3.87 87 Myriophyllum aquaticum control 0.6081 0.5868 0.0409 0.0213 0 0.003 -0.037 0.006 0 0.10 37.9 0.9 3.66 88 Myriophyllum aquaticum herbivore 0.5747 0.1098 0.0101 0.4649 0.00762 -0.001 -0.025 0.016 0 44 0.04 39.8 0.9 2.72 4.8 44.0 9.6 2.4 89 tap water 0.000452 0.018 -0.034 0.015 0 90 tap water 0.000554 0.017 -0.025 0.016 0 91 tap water 0.000248 0.03 -0.038 0.026 0 92 tap water 0 0.019 -0.029 0.019 0