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February 6- April 28 - Great Shipwrecks Traveling Exhibit - City Hall, Plattsburgh, NY
March 24-April 2 - Lake Guardian Spring Survey
March 28 - Rainscape - Eliana Brown - Champaign, IL
March 28 - Lake Champlain Maritime History Program - Plattsburgh, NY
March 29 - Making River Corridors Work for You - 5:30pm Webinar (for local planning and conservation commissions, watershed groups and others)
March 31 - Deadline to apply for the Michigan Aquaculture Internship
April 4 - Port Huron Fisheries Workshop - Port Huron, MI
April 4 - Erie County Agriculture and Our Climate Summit - Erie, PA
April 10 - Getting Started with Aquaculture - Webinar (Michigan)
April 11-13 - Illinois Chapter of the Wildlife Society Annual Meeting
April 12 - Bay City Fisheries Workshop - Bay City, MI
April 13 - Harrison Township Fisheries Workshop - Harrison Township, MI
April 17 - IISG - Is My Water Safe to Drink? Common Questions About Private Wells - Webinar
April 20 - South Haven Fisheries Workshop - South Haven, MI
April 20 - Taylor Fisheries Workshop - Taylor, MI
April 20-21 - Great Lakes Water Safety Conference - Sheboygan, WI
April 21 - Spring Work Weekend - Stone Lab, Put-in-Bay, OH
April 22 - NW IN Earth Day - Valparaiso, IN
April 26 - Oscoda Fisheries Workshop - Oscoda, MI
April 27 - Cedarville Fisheries Workshop - Cedarville, MI
April 30 - Deadline Michigan Clean Marina Proposals
May 15-19 IAGLR - Detroit, MI
May 15 - Seminar - Fish Spawning Reff Planning Techniques - Detroit, MI
May 16 - Michigan Seafood Summit - Detroit, MI
May 18 - Grant Calumet River Stewardship Day - Hammond, IN
May 24 - Harvey Fisheries Workshop - Harvey, MI
June 5-8 - Great Lakes Sea Grant Network Meeting - Cleveland, OH
June 6-12 - Chief Scientist Training Course - Duluth to Milwaukee
June 20-22 - Great Lakes Panel on ANS - Erie, PA
July 8-14 - Shipboard Science Workshop - Lake Huron


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MNSG - New study shows elevated sulfate concentrations can impair wild rice production

IISG - Hypoxia Research and CSMI
'Coming into focus using cutting-edge tools' A. Riley 

WISG - Investigating the 'Plankton Conveyor Belt' and the 'Sweet Spot for Phosphorus Loading in Lake Michigan
by M. Zhuikov and I. Miles

A collaborative research project about the impacts of quagga mussels in Lake Michigan has led to more funding for the issue from the National Science Foundation (NSF). The original project, jointly supported by the Wisconsin and Illinois-Indiana Sea Grant programs during 2012-14 (“Alteration of Nutrient Cycling and Food Web Structure by Profundal Quagga Mussels in Lake Michigan”) looked at the effects of this invasive mussel in the deep parts of Lake Michigan on plankton abundance, the phosphorus cycle and water movement.

The new project (“Regulation of Plankton and Nutrient Dynamics by Hydrodynamics and Profundal Filter Feeders”) is being funded by the Biological Oceanography and Physical Oceanography divisions of NSF for more than $1 million in expectation that the results will be useful for understanding conditions in other large lakes, and coastal areas as well.

The principal investigators are Harvey Bootsma and Qian Liao with the University of Wisconsin-Milwaukee, and Cary Troy with Purdue University. David Cannon is a Ph.D. student working on the project at Purdue.

In the original project, the team discovered that quagga mussels in Lake Michigan are eating more plankton than the amount that is reaching them by sinking from above. How and why this could happen is what they’ll be looking at with the new project.

“We think that food delivery to the bottom of the lake is not just determined by the passive settling of phytoplankton as it’s sinking through the water, but that plankton is always being circulated in the lake,” said Bootsma.  “It’s like the plankton are on a kind of conveyor belt where they’re going up and down.”

The researchers now will be studying turbulence in the entire water column.

Troy studied the impact mussels have on water movement as they filter it—sucking in water and spitting it out. ”Although this filtering has a dramatic effect on water quality, we found that quaggas do not strongly influence movement throughout the entire water column,” explained Cannon.

But the movement they cause in the thin layer immediately above the lake bed—a phenomenon consistent throughout the year thanks to stable temperatures at the bottom of Lake Michigan—is an element missing from most mussel filtration models.

The researchers also found that the mussels are changing the phosphorus cycle in the lake. “The nutrient-loading models used to set limits for phosphorus aren’t accurate anymore because of these new components to the ecosystem – bottom-dwelling filter feeders,” Bootsma said. “They have changed the rules for how Lake Michigan works.

“Lake managers have a conundrum right now. They’ve got too much algae in the nearshore zone and they want to reduce phosphorus to solve that problem. But there’s not enough phytoplankton in the offshore zone because of the mussels. So if they reduce phosphorus loading in the lake, they could make that offshore problem even worse so that there’s virtually no food left out there for the rest of the food web,” Bootsma said.

With the new project, Bootsma said his team hopes to determine what the “sweet spot” is for phosphorus loading. “There may not be one perfect phosphorus load that solves both the nearshore and offshore problem, but we’d like to try and find one that minimizes the nuisance algae while at the same time keeps the offshore animals alive with enough plankton production.”

The NSF project will start this spring. “Although we’re focusing on Lake Michigan, the work has implications for most of the other Great Lakes as well as other lakes in general that are being invaded by mussels,” Bootsma said. “We’re looking at a fundamental change in the way lakes work, and that’s the kind of thing the NSF is interested in.”

“It's generally accepted that the ecosystems of smaller, shallower lakes—Lake Erie, for example—are at the greatest risk of quagga mussel invasion,” Cannon added. “Our results could help show other researchers that the effects of mussels on large, deep lakes cannot be ignored and, more importantly, how they can be accounted for.”

WISG - New Underwater Wave Sensor Installed
Underwater sensor may detect deadly rip currents, Duluth News-Tribune

OHSG - Harmful Algal Bloom Research Initiative (HABRI) Projects Share Promising Progress

IISG - Lake Guardian Spring Planning
'Captain John and the Lake Guardian get ready to set sail' by A. Bobrow

MISG - In life, ivory gull draws crowd - and in death, will contribute to science by E Nelson

NYSG - Great Lakes Project Impact Profiles
New York Sea Grant has posted to a series of Great Lakes project profiles addressing activities, challenges, and opportunities related to environmental protection, building coastal community resiliency, and enhancing coastal literacy by teacher, student and public audiences.

Full profiles for the following projects are online at
  • Applying science to crude oil transport in the Great Lakes
  • Rochester-Monroe County Green Infrastructure Collaborative Retrofit Guide
  • Standardizing statewide waterfront inspection to address invasive species
  • Baseline Lake Ontario climatology resources for Sodus Bay and the Eastern Lake Ontario Dune and Wetlands Area shorelines
  • Informed shoreline management project planning in Wayne County
  • NY Great Lakes Ecosystem Education Exchange for schools and nature educators
  • Great Lakes Basin Bins for teachers in NY Great Lakes coastal counties
  • 20 syndicated radio Great Lakes information bursts and podcasts
  • NY Great Lakes Information Clearinghouse for the public.
WISG - NOAA Programs are Rooted Across Wisconsin - program overview

IISG - Defining the value of Indiana’s aquatic ecosystems
IN Coastal Ecosystem Benefits are Many by I. Miles

IISG - Research analyzing available tools
'Land-use planning is more efficient with targeted tools' by I. Miles

MISG - National Invasive Species Awareness Week series highlights threats Michigan faces by M. Bohling OHSG - 36th Annual Ohio Charter Captains Conference
Article with conference highlights

WISG - Connecting Communities through Storytelling IISG - Connecting Educators, Scientists and Citizens
Article by A. Bobrow

IISG - Water Is Photo contest Results

MISG - Stateside podcast interview with Jim Diana
Trump's budget chops Sea Grant program and its aid to towns on Great Lakes' coast

OHSG - Cleveland Scene interview with Jeff Reutter
'If we lose the EPA, we lose Lake Erie'.  by E Sandy

MISG - GL Connections newsletter article on MISG's Great Lakes Education Program

MISG - Lansing State Journal article on zebra & quagga mussels quotes MISG's Dan O'Keefe

MISG - 9&10 News quotes MISG's Mark Breederland re Grand Traverse Bay lack of ice cover

MISG - Canoe & Kayak Magazine article on the Detroit Heritage River Water Trail quotes MISG's Mary Bohling

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Recent Publications

MNSG - Effects of sulfate and sulfide on the life cycle of Zizania palustris in hydroponic and mesocosm experiments. Ecological Applications 27:321-336. - Reprint 

PASG - Natural History Museum at the Tom Ridge Environmental Center: 2016 Annual Report (includes a list of collection holdings)

WISG - Aquatic Science Chronicle - Newsletter
  • It Ain't Easy Being Green (Infrastructure)
  • New project attacks urban water contamination
  • Growing Power's Will Allen joins WI Sea Grant's Advisory Council
  • Tracking Ghost Nets, Part Two
  • Green Infrastructure Guide
  • When Lamprey Attack!
  • Atlantic Salmon on the Horizon
  • Clean Water and Tribal Rights
  • WRI and Sea Grant social media channels
  • Education: Sails hoisted, Ship Tall
MISG - Upwellings - Newsletter
  • Notes from the Director (importance of Sea Grant to Michigan)
  • Shoring Up Michigan's Small Harbors
  •  5 Research projects launch with MISG Support
    • Barriers to large-scale green infrastructure - Lawrence Tech
    • Cisco Restoration - Univ of Mich
    • Assessing potential ways that restoring environmentally degraded water bodies might affect the composition and economic well-being of surrounding neighborhoods - Univ of Mich
    • Acoustic image processing to distinguish sea lamprey and rainbow trout - Central Mich Univ
    • Effects ofthe Detroit River on Algal Bloom formation in western Lake Erie - Mich Tech
  • 2017 Informal Science Educator of the Year: Brandon Schroeder
  • Elliott Nelson Brings Enthusiasm to the Eastern Upper Peninsula
  • Keep on Rockin - New spawning reef in the Detroit River
  • Great Lakes Fishery Workshops for Anglers
  • Michigan's Trail Movement Keeps Growing (Birding Trails, Water Trails, Great Lakes Fisheries Heritage Trail)
OHSG - Twineline - Newsletter
PASG - Newspapers in Education
  • Land Conservation & Wildlife - 3/28
  • Bats - 3/21
  • Coastal Cleanup - 3/14
  • Pollution - 3/7
  • Ecosystem Health, Habitats, Endangered Species - 3/1
  • Water Quality - 2/19 & 2/24
  • The Water Cycle - 2/7
WISG - Great Lakes Takes - Blog
  • Sharing Their River Stories
  • The Knauss Journey
  • Tim and Deidre go to Capitol Hill
  • An Ex-Fabulous Night (storytelling)
  • Solving the Msytery of Freshwater Steel Corrosion in the Duluth-Superior Harbor

WISG - Home Preservation of Fish Series - Fact Sheet
  • New piece on planking
IISG - Planting for Pollinators - Video series

MNSG - Our New Age of Water - Webcomic

MNSG - Sea Grant Files - Radio mp3
  • NOAA Sea Grant Benefits Minnesotans
  • Wild Rice: Sulfide Sensitivity and Minnesota's Sulfate Standard
  • The Perplexing Pink Salmon of Lake Superior

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Staff Updates

OH Sea Grant - Meet OH Sea Grant Director Chris Winslow

WI Sea Grant - Meet Social Scientist, Deidre Peroff
'Wading into the Water (Thinkers)' article by A. Conklin  IL-IN Sea Grant - Meet Science Communication Coordinator, Deborah Seiler  

MI Sea Grant - Meet Saginaw Bay Extension Specialist Kip Cronk 

MI Sea Grant - 2017 Howard Tanner Award
Michigan Sea Grant's Dan O'Keefe has been chosen by the Michigan Salmon and Steelhead Fisherman’s Association to receive its 2017 Dr. Howard Tanner Award.

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Recent Publications
Staff Updates


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Great Lakes Environmental Research Laboratory | 4840 S. State Rd | Ann Arbor, MI | 48108
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