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DNR News Releases

Archive by tag: researchReturn

Gray fox research project

• 10/25/2022 11:44:00 AM
• View Count 3548

The Iowa Department of Natural Resources (DNR) is asking trappers for help with a new pilot study on Iowa’s gray fox population.

Do carbonated beverages reduce bleeding from fish gill injuries?

• 11/16/2021 9:33:00 AM
• View Count 1722

Releasing fish due to size limits or for catch-and-release practices has anglers trying new methods to help severely hooked fish. Fish hooked in the gills have lower survival chances. Some anglers say pouring carbonated water or soda pop over hooked gills helps. They claim the carbon dioxide causes blood vessels to constrict or that phosphoric acid in beverages causes blood to clot. Let’s burst this bubble and see if it is fizz or fact.

Trumpeter swan study following young for first year of life

• 10/20/2020 12:56:00 PM
• View Count 4104

The Iowa Department of Natural Resources (DNR) is asking Iowans to help with a research project designed to learn more about trumpeter swan survival during the cygnets’ first year of life that will help to better manage and conserve this species.

Natural Resource Commission to meet July 11 at Boone Research Station, near Ledges State Park

• 7/2/2019 11:41:00 AM
• View Count 2474

Boone – The Natural Resource Commission (NRC) of the Iowa Department of Natural Resources will meet at 1 p.m., July 11, at Boone Research Station, 1436 255th Street, near Boone.

Fish Barrier Research Project Begins at Big Creek Lake & Brushy Creek Lake Spillways

• 3/29/2016 7:36:00 AM
• View Count 6972

A physical fish barrier fence, made of horizontal bars, was installed in 2012 at the Big Creek spillway to reduce adult walleye and muskellunge escapement from Big Creek Lake. The barrier was a collaborative project between the Central Iowa Anglers, Recycled Fish, the U.S. Army Corps of Engineers and Iowa Department of Natural Resources.