Oak Ridge Today



Professor to discuss microplastics in rivers

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Martin Knoll (Submitted photo)

A geology and hydrology professor will discuss the dangers of microplastics in rivers during a program in Oak Ridge on Thursday, September 29.

Martin Knoll is professor of geology and hydrology and chair of the Department of Earth and Environmental Systems at the University of the South. He will talk to the University of Tennessee Arboretum Society.

The program is at the UT Arboretum Auditorium at 901 South Illinois Avenue in Oak Ridge starting at 7 p.m. September 29. The talk is titled “Microplastics in the Tennessee, Cumberland, and Rhine Rivers: Why We Should Care.”

Knoll’s presentation will focus on his research investigating the concentration and types of microplastics found in the three rivers, a press release said. Special emphasis will be placed on his recent findings about the major sources of these microplastics and what might be done to reduce their numbers.

[Read more…]

Butterfly Festival will feature butterfly release, insect zoo

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The insect zoo at the Butterfly Festival. (Submitted photo)

The annual Butterfly Festival will feature an educational release of 500 butterflies and an insect zoo at the University of Tennessee Arboretum on Saturday, September 17.

It’s the seventh annual festival, and it’s scheduled from 10 a.m. to 1 p.m. September 17 in the UT Arboretum Auditorium and surrounding area at 901 South Illinois Avenue in Oak Ridge.

The festival is presented by the UT Arboretum Society. The purpose is to educate the public and teach people how to protect these pollinators, a press release said.

The UT Insect Zoo, two butterfly tents, educational lectures, a butterfly release, and children’s art activities are among the educational activities that will be offered, the press release said.

The butterfly release is scheduled for noon.

[Read more…]

Learn why bugs are good

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Submitted

Every bug has a purpose. Did you know that very few caterpillars reach their mature size because birds gobble them down? It is estimated that one pair of chickadees must find 6,000 caterpillars to feed one brood of fledglings. Carpenter bees pollinate tomatoes. Flies pollinate pawpaws. Gnats pollinate Jack-in-the pulpits, while hummingbirds eat gnats. Ants plant trillium seeds, and flickers eat ants. Cardinals eat adult beetles, while brown thrashers eat their grubs. It is a complicated and intricate circle of life. The list goes on and on. 

Join local naturalist Stephen Lyn Bales to learn about why “Bugs are Not Bad” at the University of Tennessee Arboretum Society’s First Thursday Nature Supper Club via Zoom on Thursday, August 4, at 7 p.m.  Eastern time.

The program is free, but registration is required to receive your link. Register at www.utarboretumsociety.org.  This program will be recorded, and closed captioning is available. 

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Learn about bird courtship on Thursday

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The University of Tennessee Arboretum Society will host a presentation next week about bird courtship and pair bonding.

The First Thursday Nature Supper Club program is titled “Love is in the Air.” It is scheduled to start at 7 p.m. Thursday, February 3.

“Though it is only February, bird courtship has begun,” a press release said. “Male birds vie for the attention of the females in a variety of ways. We will explore what all that cooing is about!”

“You provide your own stay-at-home supper, and we provide the nature as local naturalist Stephen Lyn Bales will entertain and teach us via Zoom what counts for beauty in the avian world,” the press release said. “We will look at many species. Great horned owls are the first to start courtship rituals, while cedar waxwings typically do not begin their pair bonding until June.”

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UT Arboretum Society resumes hikes after almost two years

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The University of Tennessee Arboretum Society will resume its Third Saturday Hike on Feb. 19 after almost two years due to COVID-19 closures. (Submitted photo)

It has been almost two years since the University of Tennessee Arboretum Society has had a Third Saturday Hike because of COVID-19 closings.

“The organization is excited to announce the resumption of the hikes beginning February 19 at the UT Arboretum in Oak Ridge, 901 South Illinois Avenue,” a press release said. “Enjoy over 260 acres of forest and trails in this lovely wooded setting.”

The theme for February is a newcomer’s hike, the press release said. Everyone is welcome to participate in this free guided hike. Newcomers to the area, newcomers to the UT Arboretum, and newcomers to hiking are encouraged to join as well as previous participants. The hikes have been a staple of the UT Arboretum and UT Arboretum Society for more than 13 years This is a great opportunity to “walk off” the food and festivities of the Super Bowl and the Olympics, the press release said.

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Free Zoom presentation about conservation fisheries on Jan. 25

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Submitted photo

The University of Tennessee Arboretum Society and Tennessee Citizens for Wilderness Planning have a free Zoom presentation about conservation fisheries on Tuesday, January 25.

The presentation is scheduled to start at 7 p.m., and it will feature Conservation Fisheries, Inc., a nonprofit organization preserving the Southeast’s aquatic biodiversity, a press release said. The presenter, Pat Rakes, is co-director of Conservation Fisheries.

“He will explain the role and mission of CFI as well as its history, pictures of the hatchery, field work, and fish as well as cooperators in this important effort,” the press release said.

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UT Arboretum Society has online fall plant sale from Sept. 25-Oct. 10

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Conifers from East Fork Nursery of Sevierville (Submitted photo)

The University of Tennessee Arboretum Society’s Annual Plant Sale will be online only this year. It is scheduled from September 25 to October 10. You can shop for new plants from home.

The UT Arboretum Society’s plant sales are some of their biggest fundraisers of the year. They help support the arboretum’s community education, trail improvements such as its Nature Book Trail, and children’s programs, a press release said.

The online plant sale will give you a chance to enhance your garden this fall.

“Fall is always a wonderful time for planting as it gives your plants time to establish great root systems for the spring,” the press release said.

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UT Arboretum Society has Fall Plant Sale on Saturday

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University of Tennessee Arboretum Society Fall Plant Sale (Submitted photo)

The University of Tennessee Arboretum Society’s Fall Plant Sale will be held Saturday at the UT Arboretum in Oak Ridge.

The sale is scheduled from 9 a.m. to 2 p.m. Saturday, October 19, at the UT Arboretum, which is at 901 South Illinois Avenue in Oak Ridge.

“Fall is the ideal time to add plants to your landscape because of milder temperatures and more dependable rainfall,” a press release said. “In addition, the fact that plants are not putting energy into their top growth but devoting all their resources to developing a strong root system will give them a head start in the spring and a much better survival rate.”

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Butterfly Festival is Aug. 3

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The University of Tennessee Arboretum Society will have its fourth annual Butterfly Festival on Saturday, Aug. 3, 2019. Highlights will include a release of monarch butterflies, the UT Insect Zoo, speakers, and children’s activities. (Photo courtesy UT Arboretum Society)

The University of Tennessee Arboretum Society will have its fourth annual Butterfly Festival on Saturday, August 3. Highlights will include a release of monarch butterflies, the UT Insect Zoo, speakers, and children’s activities.

The festival is scheduled from 10 a.m. to 1 p.m. August 3 at the UT Arboretum Auditorium and its surrounding grounds at 901 South Illinois Avenue in Oak Ridge.

The charge is $5 per carload, a press release said. This is a change from previous years. The gate will be open at 9:30 a.m. The event will take place rain or shine, the release said.

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Tonight: Learn about microplastics in Tennessee River

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Martin Knoll

You can learn about water quality and microplastics in the Tennessee River during a meeting in Oak Ridge tonight (Thursday, June 6).

The program is scheduled to start at 7 p.m. Thursday at the University of Tennessee Arboretum Auditorium. It’s a free program offered by the UT Arboretum Society and co-sponsored by Tennessee Citizens for Wilderness Planning. No registration is required.

Microplastics have been in the news recently, a press release said. Martin Knoll, a professor of geology and hydrology at Sewanee: The University of the South, will explain why microplastics are an issue, and he will present his findings on the water quality of the Tennessee River during the program this evening.

As project manager for the Tenneswim in 2016, Knoll directed the most detailed analysis of Tennessee River water quality ever conducted, the press release said. During this project, Knoll and his colleagues found the highest levels of microplastics recorded in any river of the world to date.

[Read more…]

UT Arboretum Society has spring wildflower walk on Saturday, April 13

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The University of Tennessee Arboretum Society will have a meet and greet followed by a spring wildflower walk at Haw Ridge Park on Saturday, May 5, 2018. Kris Light, an expert naturalist, educator, and photographer, will lead this fun, educational, and easy walk, a press release said. (Submitted photo)

The University of Tennessee Arboretum Society will have a meet and greet followed by a spring wildflower walk at Haw Ridge Park on Saturday, April 13, 2019. Kris Light, an expert naturalist, educator, and photographer, will lead this fun, educational, and easy walk, a press release said. (Submitted file photo)

 

The University of Tennessee Arboretum Society will have a meet-and-greet followed by a spring wildflower walk on Saturday, April 13. The event is scheduled from 2 to 4 p.m. at Haw Ridge Park on Edgemoor Road in Oak Ridge.

Participants are asked to meet at the parking lot, which is at the west end of the park next to the kiosk, near the Soccer Trail, a press release said. The walk is free and open to the public. Kris Light—an expert naturalist, educator, and photographer—will lead this fun, educational, and easy walk, the press release said.

Participants may want to bring a camera to take pictures of the many wildflowers on the grounds. If participants have a wildflower book, Kris suggests bringing that as well, the release said. [Read more…]

Earthquake hazard in East Tennessee: What could happen here?

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Robert Hatcher

Robert Hatcher

 

Could we have a major earthquake in East Tennessee? Do we live in an active seismic zone?

These and other questions will be addressed by Robert Hatcher, University of Tennessee distinguished scientist emeritus, in a lecture, “Living with East Tennessee Geology and Earthquakes,” in Oak Ridge in April.

The lecture is scheduled from 7 to 8 p.m. Thursday, April 11, in the University of Tennessee Arboretum Auditorium at 901 South Illinois Avenue in Oak Ridge.

Hatcher was a faculty member for 32 years in the Department of Earth and Planetary Sciences and Science Alliance Center of Excellence at the University of Tennessee, a press release said. He earned his bachelor’s and master’s degrees at Vanderbilt University and his doctorate at the University of Tennessee. [Read more…]

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