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Project to deter Mississippi River carp with sound sees some success

Ag/Outdoor, News

May 28th, 2024 by Ric Hanson

(Radio Iowa)- Researchers on the Mississippi River say two years of work to try and deter invasive carp using sound has yielded some promising results. Christa Woodley with the Army Corps of Engineers says four types of invasive carp were intentionally brought here in the late 60s and early 70s, but they led to problems that include reducing water quality that leads to increased dredging and bank destabilization. “When you’re thinking about something like the Mississippi River where we already have quite a bit of flood risk and flood elements, the fish can actually increase those impacts,” she says.

Woodley and Marybeth Brey with the Geological Survey designed a 16-speaker soundbar and installed it at Lock 19 to try to deter invasive carp while minimizing impacts on native species. The soundbar plays sounds specifically at the frequencies the carp can hear. Woodley says the sounds should be irritating to the carp, so they don’t come near. “In some cases it should stop them from wanting to cross, sometimes it will actually cause them to turn around,” Woodley says. The soundbar can be controlled both on site and remotely. It is on for three days and eight hours, then off for three days and eight hours. The scientists can then compare how many fish cross the lock when the system is active and how many cross when it is inactive. Brey and Woodley’s team puts transmitters in 700 to 800 fish a year to track their movements.

The Fish and Wildlife Service, Missouri Department of Conservation, and the Iowa and Illinois Departments of Natural Resources are all involved in the fish tagging. Brey says the data from 2022 shows a 50 percent decrease in silver carp specifically. “So, for every two fish that pass upstream when it’s off, one would pass when it’s on,” Brey says. Most native species in the Mississippi do not hear at the same frequencies as the carp. So far, the system seems not to bother them. Bigmouth buffalo are crossing the lock at similar rates when the system is off and on, but they have not seen significant impacts on the freshwater drum, the paddlefish, or the white bass. “But all things considered on the fish side, it’s looking definitely better than not having it there,” Brey says.

The data from 2023 will be analyzed soon. Though Brey and Woodley provide the results, they don’t decide if the system should be implemented on a broader scale. That decision is left to the states. Besides studying the movement of fish, Brey and Woodley have also been tracking how well their equipment functions over longer periods of time. Woodley says the technology developed for this project can be used for other projects as well. It is already being used by others trying to attract fish towards certain areas, or cover up construction noise. “It’s had a lot of applicability and some really neat science going in to it that we’re able to track and hopefully push out to the people that need it for whatever purpose,” she says. Researchers are studying other deterrent strategies as well.

Carbon dioxide, electricity, and walls of bubbles can all be used to deter the passage of fish. But those methods all deter native fish as well. Brey says some groups are also working on combining removal methods with deterrent methods. “We’re trying to say how can we, if we’re deterring fish, how can we remove them at the same time,” Brey says.

The underwater acoustic deterrent system study is set to continue through the end of the year. It may be extended with different research questions depending on needs of the partner agencies.

Iowa’s Schulte on a new challenge for the defense

Sports

May 28th, 2024 by Ric Hanson

Iowa safety Quinn Schulte says a new season is a new challenge for him and the Hawkeye defense. The Cedar Rapids native opted to return for his final season and is one of nine starters returning from one of the nation’s top defenses.

Schulte says spring drills and summer workouts are about building depth.

Schulte is one of several embers of the defense who opted to return and not enter the NFL Draft.

Iowa opens next season at home on August 31st against Illinois State.

One-third of Grinnell College power to come from solar energy with new solar array

News

May 28th, 2024 by Ric Hanson

(Iowa Capital Dispatch) – Grinnell College has made a “decisive step” forward in the direction of operating without emissions with the completion of a 9,000-panel solar array. College President Anne Harris says one-third of Grinnell College’s campus is now running on renewable energy with the array, the largest private solar installation in the state. As Grinnell College reaches this milestone in its goal of hitting net-zero emissions by 2040, a community-wide solar project could have more than half of the university’s power come from renewable sources.

A third-party developer, Sunlight General Capital LLC, owns the array, and Grinnell College has purchased all of the energy generated from it for the next 20 years, with the possibility of a 10-year extension. The array, which Grinnell College environmental and safety manager Chris Bair said has been in operation for around one month, provides four megawatts of power that flows to almost every building on campus. There are six other smaller solar power stations utilized by the university, he said, which provide energy to buildings off of the main meter like the facilities building and environmental education center.

Each of the panels is double-sided, Bair said, allowing them to gather energy from reflected light like that off snow, and are able to follow the path of the sun from east to west to more efficiently absorb power. Beyond the daily power the solar array provides, a battery connected to the system can store a certain amount of energy for when it’s needed. Bair said this will be most useful when the university’s energy usage is at its highest, like on a hot day in August with all of the air conditioning units on campus running constantly. The battery will help curb the peak, at least a little bit, helping save some money on the energy bill.

The Grinnell College Solar farm, the largest privately owed solar farm in the state of Iowa May 19, 2022.
(Photo by Justin Hayworth/Grinnell College)

Another solar array project spearheaded by Alliant Energy and community partners will provide the university with an additional two megawatts of solar energy, Bair said, ensuring more than half of campus power will come from solar once it is up and running.

Grinnell College is one of many institutions with sustainability plans and practices, Harris said, and all universities should be thinking about solutions like these because they can make a tangible impact on more than just the campus itself, but the community that houses it.

Iowa veteran who spread joy over social media during pandemic, dies at 101

News

May 28th, 2024 by Ric Hanson

MOUNT VERNON, Iowa (KCRG) – A 101-year-old Mount Vernon man who gained a following on social media by telling jokes during the pandemic died over Memorial Day weekend, his daughter confirmed. Fred Lehman posted jokes to Facebook every day for several years to spread joy. It started as a way to make people smile when they were isolated in their homes because of the pandemic.

Lehman was known for his sense of humor. He was considered a community icon in Mount Vernon. When he turned 100-years-old, a special birthday celebration was held, in which Mayor Thomas Wieseler declared January 26, Fred Lehman Day, in 2023.

Lehman served as a marine in 1945 and was a member of the Mount Vernon American Legion for 75 years, and the Lion’s Club for 70 years.

Perry High School ceremony pays tribute to its late high school principal

News

May 28th, 2024 by Ric Hanson

PERRY, Iowa (KCCI) – The Perry Community School District honored its late high school principal during graduation over the weekend. Dan Marburger died while protecting students during a shooting at the high school in January. The district left an empty chair near the podium for Sunday’s ceremony. A coat was draped over the back of it, with red roses on the seat.

Seniors then dropped white flowers into buckets on either side as they crossed the stage to receive their diplomas. During the ceremony, Clark Wicks, the district’s superintendent, thanked Marburger for his efforts in coordinating graduation every year.

The shooting in January also killed sixth grade student, 11-year-old Ahmir Joliff. Six others were also hurt.

ISU data released on the 1st concert held at Jack Trice Stadium in more than 25-years

News

May 28th, 2024 by Ric Hanson

The first concert at Jack Trice Stadium in more than two decades drew a large crowd to Ames, and according to police, the event went over fairly smoothly for law enforcement. The Iowa State University Police Department released arrest data Sunday, one day after the May 25th show featuring George Strait and Chris Stapleton. It was the first concert at Iowa State’s football stadium since April 1999.

ISUPD said one person was cited for possession of alcohol under the legal age, and seven people were arrested (five of whom were arrested for public intoxication). No Iowa State students were arrested or cited. One person was ejected from the arena.

Although authorities issued few citations or arrests, they responded to 91 calls for first aid. The data from Saturday’s concert could help officials know what to expect from future events, which are expected to be more frequent with the completion of CyTown, a massive entertainment district currently in the works between Jack Trice Stadium and Hilton Coliseum.

First District Congresswoman Miller-Meeks faces GOP opponent in June Primary

News

May 28th, 2024 by Ric Hanson

(Radio Iowa) – There is no statewide race in next Tuesday’s Primary Elections, but there are primaries in three of Iowa’s four congressional districts. In the first district, Davenport businessman David Pautsch is challenging Congresswoman Mariannette Miller-Meeks in the Republican Primary. Pautsch has never run for office before.

“I’m not a politician. I’m a statesman. I don’t need to be doing this. I’m 70 years old,” Pautsch says. “…We have to restore God to government. You can’t have good government without God. You can have government without God, but it won’t be good because you need God in the government to give people a sense of right and wrong.” Pautsch says he decided to run because of Miller-Meeks’ voting record.

“Voting for everything from the FISA bill, so the government can spy on us, to certifying the presidential election of 2020,” Pautsch says. “…It’s just intolerable.” Miller-Meeks and the rest of Iowa’s congressional delegation voted for the FISA bill that extended national security surveillance programs. And Miller-Meeks says while she had concerns about the 2020 election, she voted to certify the Electoral College result because the Constitution says states, not congress, choose the slates of electors presented to congress.

Miller-Meeks, who is 68 years old, is an eye doctor who’s seeking a third term in the U-S House. Miller-Meeks says she voted to impeach Biden’s Homeland Security Secretary and she’ll vote to impeach Biden if she gets the chance. “You’re living them every single day whether it’s crime, whether it’s the border, whether it’s inflation (and) high prices, whether it’s the chaos overseas,” Miller-Meeks says. “All of that is laid at Biden’s feet.”

Miller-Meeks, who has established a residence in Davenport, says she has the best chance of keeping Iowa’s first district seat in Republican hands. “Our Democrat opponent raised $820,000 last quarter,” Miller-Meeks says. “I have raised the money to defend this seat and I will do everything in my power to keep it.”

Christian Bohannan, a Democrat from Iowa City, ran against Miller-Meeks in 2022 and is the only Democrat running in this year’s first congressional district primary.

Skyscan Forecast for Atlantic & the Nishna Valley: Tuesday, May 28, 2024

Weather

May 28th, 2024 by Ric Hanson

Today: Sunny, with a high near 75.W/NW winds 10-25 mph.

Tonight: Mostly clear, with a low around 47.

Tomorrow: Sunny, with a high near 74. East wind 5 to 10 mph.

Thursday: Partly sunny & breezy, w/a 50% chance of showers & thunderstorms during the afternoon. High near 76.

Friday: Mostly cloudy w/a 50% chance of showers and thunderstorms. High near 69.

Monday’s High in Atlantic was 78. Our Low this morning, was 48. We received .01″ rain Monday (from 7-a.m. to 8-a.m.), at KJAN. Last year on this date, the High in Atlantic was 82 and the Low was 47. The record High for May 28th was 97 in 2018. The record Low was 29 in 1894. Sunrise: 5:50. Sunset: 8:44.

Iowa Area High School Softball for Tuesday May 28th

Sports

May 28th, 2024 by admin

Hawkeye Ten Conference

  • Atlantic vs Clarinda
  • Creston vs Harlan Community
  • Glenwood vs Denison-Schleswig
  • Lewis Central vs Red Oak
  • Shenandoah vs St. Alert
  • Kuemper Catholic vs Carroll

Corner Conference

  • Essex vs East Mills
  • Griswold vs Sidney
  • Stanton vs Fremont Mills

Western Iowa Conference

  • Audubon vs Underwood
  • IKM-Manning vs Missouri Valley
  • AHSTW vs Treynor
  • Tri-Center vs Riverside

West Central Conference 

  • AC/GC vs Ogden
  • Panorama vs Madrid
  • Pleasantville vs Earlham
  • West Central Valley vs Woodward-Granger

Pride of Iowa Conference 

  • Southwest Valley vs Bedford
  • Central Decatur vs Wayne
  • Southwest Warren vs East Union
  • Lenox vs Mount Ayr

Missouri River Conference 

  • Abraham Lincoln vs Thomas Jefferson
  • Bishop Heelan vs Sergeant Bluff-Luton

Non-Conference Games

  • CAM vs Logan Magnolia
  • ADM vs Norwalk
  • Ballard vs Indianola
  • Saydel vs Boone
  • Waukee Northwest vs North Polk
  • Pella vs Gilbert
  • Winterset vs Dallas Center-Grimes
  • Bondurant-Farrar  vs Clarke

Iowa Area High School Baseball Schedule for Tuesday May 28th

Sports

May 28th, 2024 by admin

Hawkeye Ten Conference 

  • Atlantic vs Clarinda – DH – KJAN TV
  • Glenwood vs Denison-Schleswig
  • Creston vs Harlan Community
  • Lewis Central vs Red Oak
  • Shenandoah vs St. Albert

Rolling Valley 

  • Alta-Aurelia vs Woodbine

Corner Conference

  • Fremont-Mills vs Stanton
  • Essex vs East Mills
  • Griswold vs Sidney

Western Iowa Conference

  • IKM-Manning vs Missouri Valley
  • Audubon vs Underwood
  • AHSTW vs Treynor
  • Tri-Center vs Riverside

West Central Conference

  • AC/GC vs Ogden
  • Panorama vs Madrid
  • Pleasantville vs Earlham
  • West Central Valley vs Woodward-Granger

Pride of Iowa Conference

  • Lenox vs Mount Ayr
  • Southwest Warren vs East Union
  • Southwest Valley vs Bedford

Non-Conference Games

  • CAM vs Logan-Magnolia
  • ADM vs Perry
  • Carlisle vs Centerville
  • Winterset vs Dallas Center-Grimes
  • Pella vs Gilbert
  • Saydel vs Boone
  • Greene County vs Van Meter