Related by context. Frequent words. (Click for all words.) 75 Asian carp 59 Chicago Sanitary 55 Ship Canal 53 invasive species 52 carp 52 silver carp 50 emerald ash borer 48 Great Lakes 47 quagga mussels 47 zebra mussels 45 Des Plaines River 42 waterways 41 milfoil 40 bovine tuberculosis 40 lamprey 40 inland lakes 40 chronic wasting 40 waterway 39 Lake Huron 39 Mississippi River 39 Mackinaw 38 gypsy moths 38 Chinook salmon 38 ash trees 38 Lake Winnebago 38 cane toad 38 Gov. Rod Blagojevich 37 yellow perch 37 lake trout 37 TRAVERSE CITY Mich. 37 Maumee River 37 Lake Superior 37 St. Lawrence Seaway 37 Jim Doyle 37 toxic algae 37 borer 36 nutria 36 mercury pollution 36 ballast water 36 Patrick Fitzgerald 36 beetle 36 muskie 36 CWD 36 gypsy moth 36 JB Van Hollen 36 Gov. Jennifer Granholm 36 paddlefish 36 Rod Blagojevich 36 Calumet 36 cane toads 36 bull trout 35 mussels 35 sturgeon 35 invasive 35 monkeypox 35 gray wolves 35 bovine TB 35 Granholm 35 hydrilla 35 muskies 35 walleye 35 cormorants 35 Lisa Madigan 35 Governor Rod Blagojevich 35 mosquito populations 35 Lake Erie 35 Environmental Protection Agency 34 freshwater fish 34 Blagojevich 34 St. Croix River 34 mosquito borne disease 34 steelhead 34 chinook salmon 34 lionfish 33 piranhas 33 salmon 33 wild hogs 33 northern pike 33 Illinois 33 Michigan 33 prairie dogs 33 pests 33 deer herd 33 piranha 33 Mackinac Bridge 33 smallmouth bass 33 Bald eagles 33 antibiotic resistant bacteria 33 West Nile virus 33 mosquitos 33 Seaway 33 Upper Peninsula 33 aquatic species 32 migratory birds 32 DNR 32 contaminants 32 PCBs 32 hatchery fish 32 Shiawassee 32 critters 32 feral hogs