4. Most common species in Black Oak Lake Common Name Species Name Frequency of Occurrence (%) Fern-leaf pondweed 68.02 Potamogeton robbinsii water-milfoil 16.57 Myriophyllum tenellum pondweed 15.12 Potamogeton amplifolius Common waterweed 11.05 Elodea canadensis Wild celery 10.47 Vallisneria americana Slender naiad 5.52 Najas flexilis Fragrant lily 4.65 Nymphaea odorata Northern 3.78 Myriophyllum sibiricum Table 5. Aquatic Macrophyte Community Index Northern Lakes and Oak Lake Maximum Forests Region* AMCI AMCI scaled Median AMCI raw value Max depth of plant 3.5 6.7 10 10 growth (m) Littoral area 75 69.6 10 10 vegetated % Submersed Species 80 95.1 6 10 Relative % Taxa Number 18 22 (34) 9 (10) 10 (including visuals) Exotic Species 0 0 10 10 (relative %)
4. Most common species in Black Oak Lake Common Name Species Name Frequency of Occurrence (%) Fern-leaf pondweed Potamogeton robbinsii 68.02 water-milfoil Myriophyllum tenellum 16.57 pondweed Potamogeton amplifolius 15.12 Common waterweed Elodea canadensis 11.05 Wild celery Vallisneria americana 10.47 Slender naiad Najas flexilis 5.52 Fragrant lily Nymphaea odorata 4.65 Northern Myriophyllum sibiricum 3.78 Table 5. Aquatic Macrophyte Community Index Northern Lakes and Forests Region* Oak Lake Maximum Median AMCI raw value AMCI scaled AMCI Max depth of plant growth (m) 3.5 6.7 10 10 Littoral area vegetated % 75 69.6 10 10 Submersed Species Relative % 80 95.1 6 10 Taxa Number (including visuals) 18 22 (34) 9 (10) 10 Exotic Species (relative %) 0 0 10 10
BOLReport2011.docx