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Mike Spear

Study: Stories of Invasive Species Often Begin with Undetected “Sleeper Populations”

Posted on February 17, 2021

When an invasive species overruns an ecosystem, it is often assumed that the organism recently arrived at its new home and rapidly took over. But a report published in the journal, BioScience, says that many …

Posted in Invasive Species, Learn Your LakesTagged BioScience, invasive species, Jake Vander Zanden, Lake Mendota, Mike Spear, spiny water flea, Zebra mussel

Water We Talking About? A Pennsylvania Pond Infested with “Fleas”

Posted on April 24, 2020

We realize we’ve all lost track of time as we continue to flatten the COVID-19 curve but, trust us, it’s Friday. And that means it’s time for Water We Talking About? Kids have questions and …

Posted in Ecological Processes, Graduate Student Research, Water We Talking About?Tagged ask a scientist, clear water phase, daphnia, limnology, Mike Spear, water fleas, Water We Talking About?

Forensic Fishing: Using eDNA to Track Fish Populations

Posted on August 20, 2018

by Sydney Widell – At the start of every fishing season, the Wisconsin Department of Natural Resources embarks on the arduous task of setting catch limits on the state’s popular game fish like walleye. In …

Posted in Fish, Graduate Student Research, Trout Lake StationTagged eDNA, fisheries management, Mike Spear, Northwoods, Trout Lake Station, walleye

Diatoms Prove That Not All Algae Are Ugly

Posted on June 13, 2018

Think algae are gross? A new website will make you take a closer look. Dedicated to Lake Mendota’s diatoms – single-celled members of the brown algae classification – the website serves as a field guide …

Posted in Graduate Student Research, Hasler Lab, Science Communication, Undergraduate ResearchTagged algae, diatoms, Lake Mendota, Mike Spear, Thomas Shannon

It’s a Jungle Down There: Zebra Mussels Transforming Depths of Lake Mendota

Posted on August 28, 2017

by Mike Spear In September 2015, a single zebra mussel about the size of a fingernail sent alarm through the Center for Limnology. (CFL). It signaled the arrival of one of the world’s most notorious …

Posted in CFL In The News, Graduate Student Research, Invasive SpeciesTagged aquatic invasive species, Jake Vander Zanden, Lake Mendota, Mike Spear, zebra mussels

Zebra Mussel Invasion in Full Swing in Lake Mendota

Posted on June 7, 2017

Somewhere along the way, someone lost a pair of Oakley sunglasses. Maybe they were blown off on a full-throttle boat ride. Or slipped from a shirt pocket while wrestling a fish on board. Whatever the …

Posted in Graduate Student Research, Hasler Lab, Invasive SpeciesTagged invasive species, Jake Vander Zanden, Lake Mendota, Mike Spear, Zebra mussel

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