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Tag Limnology

Controlling invasive milfoil with lake-wide herbicide could do more harm than good to native plants

June 11, 2020

New research could help lake managers make more informed decisions about their invasive species control strategies.

Environmental DNA shows promise in estimating sport fish populations

June 11, 2020

eDNA could help fisheries managers keep tabs on walleye health across many more lakes at a fraction of the cost of current monitoring methods.

Top limnology posts of the decade: warming, zebra mussels, algae

January 9, 2020

UW-Madison's Center for Limnology took a look back at its top posts from the past decade about the waters of Wisconsin and the world. Take a look.

Study says “hidden overharvest” from fishing plays a role in Wisconsin walleye declines

November 18, 2019

New research finds that It finds that 40 percent of walleye populations are overharvested, which is ten times higher than the estimates fisheries managers currently use.

‘Stories from the Flood’ recount suffering, resilience in Kickapoo Valley towns

November 12, 2019

“Stories from the Flood,” a collaboration involving UW–Madison, has gathered over 70 written, audio, and video interviews with people who experienced what some call a “thousand-year” flood along the Kickapoo River and nearby Coon Creek.

Scientists angle for more attention to fishing for fun

April 17, 2019

New research brings attention to the need to better manage recreational fisheries to protect the health of inland and near-shore fish populations and to preserve the recreational fishing experience.

Reddit competes to visualize Madison’s prized Lake Mendota ice data

February 12, 2019

Data visualizations generated by a Reddit competition reveal a concerning trend that’s been known to scientists at UW–Madison and elsewhere for decades: ice is disappearing on Lake Mendota.

As the climate warms, tens of thousands of lakes may spend winters ice free

January 28, 2019

A new study from an international team of researchers, including at UW–Madison, shows that many northern latitude lakes are at risk of experiencing some ice-free winters in the coming decades.

Mercury levels in fish fluctuate along with water levels in lakes

December 20, 2018

A new study has found that when droughts cause water levels to drop, the levels of mercury found in fish also plummet. In wetter weather, water levels rise and levels of mercury in fish increase.

Forget ‘needle in a haystack.’ Try finding an invasive species in a lake.

December 4, 2018

A new study may explain why the tiny and invasive spiny water flea passed undetected in Lake Mendota, one of the most-studied lakes in the world, for a decade.

Campus situated between two lakes means beauty, but also high waters sometimes

August 24, 2018

Rising waters from Lake Mendota area are affecting some parts of the UW–Madison campus, including the Hasler limnology building and Picnic Point.

Study finds “hidden harvest” in world’s inland fisheries

June 18, 2018

A new study published today in the Proceedings of the National Academy of Sciences says we are dramatically underestimating the role inland fisheries play in global food security.

Testing the waters for a new kind of graduate teaching

February 26, 2018

A UW–Madison engineering professor has designed a three-credit graduate course in a virtual university format, with live online lectures delivered to remote audiences.

All hands on deck to understand, predict, prevent abrupt ecological change

October 25, 2017

“It’s a generally thorny problem and we are often scrambling to react,” says lead principal investigator Monica Turner. “In fact, understanding abrupt change in ecological systems is among the biggest challenges in contemporary ecology.”

New Faculty Focus: Hilary Dugan

October 9, 2017

New Integrative Biology Professor Hilary Dugan once worked as a research assistant in the Canadian Arctic and fell in love with fieldwork and studying global change. At some point, her interests narrowed to water, and eventually lakes.

First, but not last, algae bloom spells danger for Madison swimmers, fish

June 26, 2017

Steve Carpenter couldn’t believe the view from his second-floor office on the shoreline of Lake Mendota. As far as he could see, the still water looked just like teal-blue paint.

Road salt is making North America’s freshwater lakes, well, saltier

April 10, 2017

Road salt is making North America’s freshwater lakes saltier, according to a new study published in the Proceedings of the National Academy of Sciences.