Deteriorating dams in Great Lakes tributaries have increased the need to develop strategies that allow native and desirable fish to pass but block or remove invasive or undesirable fish.
For the second year in a row, groups in Michigan are laying down barriers and traps to try and keep invasive rusty crayfish away from vulnerable lake trout and whitefish eggs.
A pilot project by the US Environmental Protection Agency (EPA) to get more eyes on footage recorded at the bottom of the Great Lakes has shown promise, as viewers help pick out sightings of invasive species and provide some basic geological identification.
Construction may begin as soon as 2020 on FishPass, a first-of-its-kind fish sorting system to be constructed in the Boardman River in downtown Traverse City, Michigan.
Lake Michigan’s Good Harbor Reef has been plagued with avian botulism and excessive amounts of algae since invasive zebra and quagga mussels settled onto its rocky floor in the late 1980s-early ’90s.