Great Lakes Echo (https://greatlakesecho.org/tag/invaders/page/7/)
Echo once again is running the Wisconsin Sea Grant version of the popular 12 days of Christmas carol. Produced by outreach specialist Tim Campbell in 2011, it brings 12 days of holiday invasive species cheer.
Managing a plant whose native, invasive and hybrid species look nearly identical is nearly impossible without some scientific guidance.
A recent study says that the test could help target streams for treatment and sort invasive lamprey from those that are native.
The emerald ash borer has killed big trees and plenty of them. And while forests are unlikely to recover those numbers, experts say that when big trees die, insect numbers drop. That gives at least a chance of survival for new seedlings in pure stands of ash where other trees cannot take over.
The invasive fish may have traveled from Lake Erie.
The harm it causes one Wisconsin lake could take millions of dollars to reverse. That has implications for lakes throughout the region.
The fungus has wiped out about 90 percent of Michigan’s butternut trees.
A pheremone that could lure the destructive sea lamprey to its death has gained registration as the first biopesticide for a vertebrate.
If Asian carp cross the Mississippi River basin and establish themselves in Lake Erie, they could account for one-third of the lake’s entire fish weight.
Crayfish populations are up since the round goby invaded Lake Erie and became the preferred food of small mouthed bass.