Summary Data from Quantitative sampling – mussel density, mussel richness and sediment size.
A map of locations can be found here.
An overview of the methods used to collect these data can be found here.
Summary of Mussel Assemblages Based on Quantitative Sampling 1991-2009
Distribution of Mussels – % found at each site
Dominant species – shaded blue
2nd most abundant species – shaded green
Species | Bayport | Franconia | Interstate | Lakeland | Osceola | Prescott | Riverside | Seven Islands | Wild River |
Actinonaias ligamentina | 0.33 | 5.58 | 5.84 | 0.64 | 4.19 | 0.42 | 58.16 | 65.99 | 35.74 |
Alasmidonta marginata | 0.00 | 0.35 | 0.59 | 0.07 | 0.47 | 0.10 | 0.77 | 1.51 | 0.38 |
Amblema plicata | 63.83 | 2.01 | 1.02 | 41.84 | 2.64 | 29.30 | 1.53 | 0.50 | 0.52 |
Cyclonaias tuberculata | 0.00 | 1.05 | 2.10 | 0.14 | 0.47 | 0.00 | 2.04 | 1.51 | 3.79 |
Ellipsaria lineolata | 0.00 | 0.35 | 2.23 | 0.99 | 0.16 | 0.21 | 0.00 | 0.00 | 0.00 |
Elliptio dilatata | 3.06 | 4.36 | 2.65 | 9.12 | 1.24 | 6.47 | 22.70 | 12.59 | 24.35 |
Epioblasma triquetra | 0.00 | 3.84 | 2.78 | 0.00 | 1.40 | 0.00 | 0.51 | 0.00 | 0.00 |
Fusconaia ebena | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.83 | 0.00 | 0.00 | 0.00 |
Fusconaia flava | 13.33 | 6.11 | 4.27 | 15.05 | 18.76 | 19.60 | 3.83 | 0.50 | 1.81 |
Lampsilis cardium | 0.11 | 3.05 | 0.89 | 0.78 | 1.09 | 3.02 | 1.79 | 6.05 | 2.45 |
Lampsilis higginsii | 0.00 | 0.52 | 0.02 | 1.13 | 0.16 | 1.25 | 0.00 | 0.00 | 0.00 |
Lampsilis siliquoidea | 0.55 | 1.13 | 0.17 | 0.35 | 0.00 | 1.36 | 1.28 | 0.50 | 3.29 |
Lasmigona complanata | 0.00 | 0.09 | 0.09 | 0.07 | 0.62 | 0.21 | 0.00 | 0.00 | 0.05 |
Lasmigona compressa | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.26 | 0.00 | 0.02 |
Lasmigona costata | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.00 | 0.51 | 3.53 | 2.45 |
Leptodea fragilis | 0.87 | 2.18 | 1.80 | 1.27 | 1.40 | 1.04 | 0.26 | 0.76 | 1.22 |
Ligumia recta | 0.00 | 0.52 | 0.25 | 0.14 | 0.31 | 0.52 | 2.81 | 2.52 | 1.19 |
Megalonaias nervosa | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Obliquaria reflexa | 7.65 | 0.61 | 1.91 | 11.94 | 1.71 | 17.94 | 0.00 | 0.00 | 0.17 |
Obovaria olivaria | 0.00 | 1.31 | 1.55 | 0.00 | 0.62 | 0.10 | 1.02 | 0.76 | 2.81 |
Pleurobema sintoxia | 1.20 | 4.71 | 3.21 | 3.18 | 3.26 | 9.59 | 0.00 | 0.76 | 1.88 |
Potamilus alatus | 0.98 | 1.22 | 0.87 | 0.99 | 2.17 | 0.42 | 0.00 | 0.00 | 1.12 |
Potamilus ohiensis | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 |
Pyganodon grandis | 0.77 | 0.17 | 0.02 | 0.21 | 0.16 | 0.73 | 0.00 | 0.25 | 0.05 |
Quadrula fragosa | 0.00 | 0.09 | 0.13 | 0.00 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 |
Quadrula metanevra | 0.00 | 14.22 | 2.02 | 0.42 | 3.72 | 1.04 | 0.00 | 0.00 | 0.00 |
Quadrula pustulosa | 4.37 | 2.97 | 6.73 | 3.75 | 5.12 | 2.71 | 1.53 | 1.51 | 8.15 |
Quadrula quadrula | 0.33 | 0.09 | 0.02 | 0.78 | 0.16 | 0.10 | 0.00 | 0.00 | 0.00 |
Strophitus undulatus | 0.22 | 0.35 | 0.13 | 0.35 | 0.93 | 0.10 | 0.00 | 0.50 | 1.12 |
Toxolasma parvus | 0.33 | 0.09 | 0.19 | 0.14 | 0.00 | 1.46 | 0.51 | 0.00 | 0.05 |
Tritogonia verrucosa | 0.00 | 2.36 | 2.65 | 0.07 | 6.98 | 0.00 | 0.00 | 0.00 | 0.00 |
Truncilla donaciformis | 0.33 | 1.22 | 3.59 | 0.00 | 0.93 | 0.00 | 0.26 | 0.00 | 0.00 |
Truncilla truncata | 1.09 | 37.43 | 51.50 | 5.94 | 40.78 | 1.04 | 0.00 | 0.25 | 6.89 |
UNKNOWN ADULT | 0.22 | 0.26 | 0.11 | 0.07 | 0.00 | 0.00 | 0.26 | 0.00 | 0.14 |
UNKNOWN JUVENILE | 0.11 | 1.75 | 0.40 | 0.21 | 0.00 | 0.10 | 0.00 | 0.00 | 0.31 |
Utterbackia imbecillis | 0.33 | 0.00 | 0.00 | 0.21 | 0.00 | 0.31 | 0.00 | 0.00 | 0.05 |
Total number of mussels collected | 915 | 1146 | 5289 | 1415 | 645 | 959 | 392 | 397 | 4197 |
Number of 0.25 m2 quadrats | 500 | 700 | 820 | 400 | 500 | 500 | 500 | 200 | 700 |