The marbled crayfish has been added to Michigan's list of prohibited species. Marbled crayfish have the ability to reproduce by cloning and can produce up to 700 eggs per reproductive cycle. Prohibited species cannot be possessed, introduced, imported, sold, or...
Another recent invader causing considerable concern is the a small bottom-dwelling fish with a large head resembling that of a tadpole. First discovered in Lake St. Clair in 1990, presumably introduced via ballast water from transoceanic vessels, the round goby and...
The Eurasian ruffe (Gymnocephalus cernuus) warrants particular attention because of its great potential for adversely affecting the multibillion-dollar Great Lakes sport fishery. The ruffe is a small but aggressive fish native to Eurasia. It was introduced into Lake...
Eurasian watermilfoil reproduces by fragmentation, thus it does not rely on seed for reproduction. This reproduction allows for the plant fragments to be dispersed and carried by water currents and wind or inadvertently picked up by boaters.
After Treatment the plants turn tan or brown (sometimes even white or pink) sink to the bottom and slowly decompose. Since most aquatic weeds are 90-95% water, little residual is left. However some emergent weeds such as cattails, torpedo grass and woody brush such as...
Only a small amount of nutrients added to a pond can cause a lot of problems with aquatic plant growth. Nutrients can be added to your pond in a number of ways, such as, leaves, grass clippings, wildlife waste, and runoff from lawns, cattle pastures, and farm fields...
The resident Canada goose population doubles every three years. As a result, heavy concentrations of geese make playgrounds, athletic fields, corporate campuses, parks and recreational areas, golf courses and residential areas unusable. In addition, just one goose...
A few simple things you can do to help loons: Use only phosphate-free detergent and fertilizer. Keep pets from running wild along lake shores and harassing wildlife. Make sure garbage is out of reach of loon predators like skunks and raccoons. Enjoy loons from a...
Hydrilla was originally introduced in the United States as an aquarium plant. Hydrilla has spread throughout the US and abroad. It grows rapidly from fragments, tubers and turions, and can remain dormant for 7+ years. Hydrilla is unintentionally and easily spread from...
Zebra mussels first appeared in Lake St. Clair (yellow star, north of Lake Erie), possibly from ship’s ballast water from the Black Sea region. They rapidly spread downstream with the current, and upstream and to other watersheds on boats, with bait, and by other...
Call (810) 635-4400
