Karen J Murchie, Ph.D.
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karenjmurchie.bsky.social
Karen J Murchie, Ph.D.
@karenjmurchie.bsky.social
Fisheries scientist, life aquatic
I was happy to co-author this blog post for the inaugural United Nations World Lake Day! Today and every day we should celebrate our freshwater ecosystems not only for the myriad of ecosystem services they provide us but also because of the amazing creatures that call those waterbodies home!
August 27, 2025 at 7:22 PM
Reposted by Karen J Murchie, Ph.D.
Lake webinars! MILP just upcated their list. Some new ones:
8/21: How zebra mussels are changing fish contaminants
8/26: How wake boats impact lakes
9/25: Starry stonewort and manoomin (wild rice)
10/2: When the forst burns, what's in the water?

Full list: www.canr.msu.edu/michiganlake...
July 30, 2025 at 12:38 PM
Reposted by Karen J Murchie, Ph.D.
Wildlife officials have identified new colonies of invasive zebra mussels in northern stretches of the Colorado River.

The Stream newsletter gives you access to the latest global water news: www.circleofblue.org/stream/
#CircleofBlue #WaterNews #TheStream #GlobalWaterNews
The Stream
Daily water news across the globe
www.circleofblue.org
July 29, 2025 at 4:44 PM
Reposted by Karen J Murchie, Ph.D.
Detroit River becoming a crucible for boundary organization experimentation

#GreatLakes 🧪

www.sciencedirect.com/science/arti...
Detroit River becoming a crucible for boundary organization experimentation
The Detroit River has a long history of human use and abuse, resulting in public outcry over water pollution and resource degradation. This public out…
www.sciencedirect.com
July 24, 2025 at 11:06 AM
Reposted by Karen J Murchie, Ph.D.
Decline of whitefish in Lake Michigan sparks fears that the fish might disappear

The commercial harvest of the fish has declined nearly 90 percent since 1999

#GreatLakes

www.wpr.org/news/decline...
Decline of whitefish in Lake Michigan sparks fears that the fish might disappear
State regulators say the commercial harvest of lake whitefish in Lake Michigan has reached its lowest level since 1990, and some fisheries biologists fear the species might largely disappear in parts ...
www.wpr.org
July 24, 2025 at 12:15 PM
I am grateful to have been a part of the workshop that happened last week focusing on key global conservation initiatives for migratory freshwater fishes. These species need our attention.

www.tahoedailytribune.com/news/lake-ta...
Lake Tahoe workshop launches key global conservation initiatives for freshwater fish
INCLINE VILLAGE, Nev. — Scientists, policy leaders and conservation experts from five continents have advanced several major initiatives to protect migratory freshwater fish and their habitats followi...
www.tahoedailytribune.com
July 21, 2025 at 4:17 PM
Reposted by Karen J Murchie, Ph.D.
Wishing all ICFT 2025 attendees safe travels to Traverse City, MI. See you on Sunday June 8!
June 6, 2025 at 9:25 PM
Reposted by Karen J Murchie, Ph.D.
Congratulations to Mikayla Ford (University of Brussels), for being selected as our other student travel award winner for ICFT 2025. Her project is on “Linking Activity States to Habitat Preference of Wels Catfish (Silurus glanis) in a Freshwater Reservoir” 🐟
May 20, 2025 at 3:42 PM
Reposted by Karen J Murchie, Ph.D.
Had some white sucker stream time this morning.

Still here and still spawning.

#GreatLakes
May 15, 2025 at 3:31 PM
Reposted by Karen J Murchie, Ph.D.
We are excited to be hosting a screening of the film All Too Clear for our conference attendees and the general public in Traverse City on June 9. All attendees are signed up automatically but if you live in TVC, please reserve a free ticket here: www.cityoperahouse.org/node/648
May 15, 2025 at 4:07 PM
Reposted by Karen J Murchie, Ph.D.
Congratulations to Sophia Costa (Florida International University) for being chosen as a recipient of one of the ICFT 2025 student travel awards! Sophia's project is on "Integrating Habitat Suitability and Connectivity of Juvenile Goliath Grouper into Fisheries Management Using Acoustic Telemetry" 🐟
May 14, 2025 at 9:15 PM
Reposted by Karen J Murchie, Ph.D.
Keeping the $5.5 billion Great Lakes fishery afloat

The Michigan Department of Natural Resources’ Charlevoix Fisheries Research Station is based in a building that was constructed in 1917, originally as a federal fish hatchery. It wasn’t the first on this site. An earlier hatchery was built in…
Keeping the $5.5 billion Great Lakes fishery afloat
The Michigan Department of Natural Resources’ Charlevoix Fisheries Research Station is based in a building that was constructed in 1917, originally as a federal fish hatchery. It wasn’t the first on this site. An earlier hatchery was built in 1894. The U.S. government was trying to replenish the fish population. Lake trout, whitefish, and walleye were not reproducing at rates fast enough to keep up with the demand of commercial fishing.
www.circleofblue.org
May 13, 2025 at 1:07 PM
Reposted by Karen J Murchie, Ph.D.
EU science agency issues a drought warning for Europe, which could again hurt shipping along the Rhine this summer.

The Stream newsletter gives you access to the latest global water news: www.circleofblue.org/stream/
#CircleofBlue #WaterNews #TheStream #GlobalWaterNews
May 13, 2025 at 4:01 PM
Reposted by Karen J Murchie, Ph.D.
We are in the last couple of days to register for the ICFT in Traverse City. Registration closes end of day May 7. The room block and rate for the hotel also has a deadline of May 7. All of the remaining planning for the program, excursions, catering etc hinges on the final # registered. Thank you 🐟
May 6, 2025 at 3:03 PM
Reposted by Karen J Murchie, Ph.D.
After a record 30-day mission, SG Goot is back on deck from Lake Ontario. This glider braved the shoulder season to capture important temperature data. Looking forward to working with our partners on the data analysis… stay tuned 👀 🌊 @efdtoronto.bsky.social
May 5, 2025 at 5:38 PM
Reposted by Karen J Murchie, Ph.D.
Had a blast communing with longnose suckers this week in Wisconsin with @karenjmurchie.bsky.social, whose long-running study of these quietly charismatic fish has done much to reveal the extent and phenology of their spawning runs. A herd of aquatic bison fertilizing a liquid prairie.
April 24, 2025 at 12:37 PM
Reposted by Karen J Murchie, Ph.D.
Registration for the 7th ICFT is now open. The deadline for registration is May 7, 2025. Please visit the conference website to register: event.fourwaves.com/7thicft/regi...
event.fourwaves.com
March 4, 2025 at 2:53 PM
Reposted by Karen J Murchie, Ph.D.
I think this is my favourite report cover of all time. Any others?
February 6, 2025 at 9:50 PM
Reposted by Karen J Murchie, Ph.D.
Dozens of workers focused on lamprey control were among scores of Michigan federal workers fired without notice in the past week

Story by @bridgemi.com: www.greatlakesnow.org/2025/02/trum...
Trump firings hit Great Lakes sea lamprey program, Michigan forestry workers | Great Lakes Now
Fish and wildlife officials tasked with holding back a species that would otherwise decimate the Great Lakes fishery were among those caught up in a mass purge of federal workers.
www.greatlakesnow.org
February 20, 2025 at 9:02 PM
Reposted by Karen J Murchie, Ph.D.
Do you know someone who goes above and beyond to communicate their science to other groups?

Consider nominating them for the Award for Excellence in Public Outreach!

Additional nomination criteria and submission portal linked in our bio.

Deadline for submission is April 1.
February 13, 2025 at 2:05 PM
Reposted by Karen J Murchie, Ph.D.
The viral Czech beaver story is terrific because it’s a perfect distillation of the grand beaver narrative: the world’s most ingenious rodents, acting without our awareness or authorization, engineering wetlands whose ecological value far exceeds anything humans could dream up. We don’t deserve ‘em.
February 13, 2025 at 2:23 PM
Reposted by Karen J Murchie, Ph.D.
If you submitted an abstract for consideration at the 7th ICFT in Traverse City, you should have received an email confirmation of abstract acceptance & format. Please check your spam filter if you don't see a message in your inbox. Reach out to icft@glfc.org with any issues.
February 11, 2025 at 9:02 PM
Reposted by Karen J Murchie, Ph.D.
In Chile, drought and temperatures exceeding 100 degrees Fahrenheit have given rise to fifteen active wildfire outbreaks south of the capital, Santiago.

The Stream gives you access to the latest global water news. https://buff.ly/3WMoPT8
February 11, 2025 at 6:40 PM
Reposted by Karen J Murchie, Ph.D.
What’s the status of microplastics in the Great Lakes? How can the 🇨🇦 and 🇺🇸 governments address this issue?
Join the IJC Science Advisory Board webinar on Feb. 12 to hear about tools for standardized monitoring and managing risks from plastic pollution.
🔗 Register: bit.ly/SAB-MICRO
Welcome! You are invited to join a webinar: International Joint Commission's Great Lakes Science Advisory Board: Microplastics in the Great Lakes. After registering, you will receive a confirmation email about joining the webinar.
Join the IJC’s Great Lakes Science Advisory Board to discuss their recent report on microplastics in the Great Lakes. The report proposes tools to aid the monitoring and assessment of microplastic…
bit.ly
February 10, 2025 at 5:00 PM