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Luc Arnaud Dunoyer

101 Morgan Building
Lexington, KY 40506-0225
(859) 257-4711
Stream Ecologist and Educator

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Luc Arnaud Dunoyer

  • About
  • Blog
  • Teaching/Outreach
  • Laboratory
  • Public speaking
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First START research field day!

March 31, 2021 Luc Dunoyer
From this point of view, we can see the downstream portion of the stream. Downstream of the disturbance that the land bridge represents. You can guess the concrete culvert under the bridge. It’s your typical flatbed concrete that prevents almost all…

From this point of view, we can see the downstream portion of the stream. Downstream of the disturbance that the land bridge represents. You can guess the concrete culvert under the bridge. It’s your typical flatbed concrete that prevents almost all species from crossing the underpass …

The STem Academic Research and Training (START) program at Wake Technical Community College (WTCC) allows students to be introduced to scientific experiments firsthand. Melinda Gibbs and I have such a program. We call it Aquatic Flora & Fauna (AF&F). This semester is the first time we can actually go in the field as our previous try was during the spring of 2020 and we all know what happened after the winter was over then …

This is with the land bridge behind us looking upstream. It’s actually right were we found the baby crayfish!

This is with the land bridge behind us looking upstream. It’s actually right were we found the baby crayfish!

This time around we were able to head out. It was kind of a cold day (I didn’t think so but, coming from the Alps, I’m not a reliable baseline). Our study is comparing up and downstream of different disturbances starting with this land bridge on the South Campus at WTCC. We have four students, each one working on a different set of variables:

  • Shreeja is our invasive species expert (with a focus on plants) and works using a combination of transects and quadrats.

  • Kaleb is our soil expert (with a focus on pollutants) and works using a combination of transects and soil samplings approaches.

  • Ananya is our invertebrate expert (with a focus on macro-invertebrates) and works using a combination of kick-netting and water sampling followed by microscope investigation).

  • Katie is our water quality expert and works with a LabQuest interface and a set of probes to investigate conductivity, dissolved oxygen, temperature, pH, and turbidity (with a Secchi disk for now).

This is the stream wayyyy upstream where there is a huge work area to expand the highway belt around Raleigh. Yes, the entire stream you see in all of the other pictures goes through this bottleneck pipe …

This is the stream wayyyy upstream where there is a huge work area to expand the highway belt around Raleigh. Yes, the entire stream you see in all of the other pictures goes through this bottleneck pipe …

For now, all I wanted to do is share the pictures of our first day :-).

Field site 2 downstream.jpg
Field site 2 upstream.jpg
Kaleb Shreeja and Luc.jpg
Kaleb Shreeja and Luc 2.jpg
Melinda and Luc.jpg
Melinda and Luc 2.jpg
Leopard frog.jpg
Shreeja and Kaleb.jpg
Shreeja and Kaleb 2.jpg
Shreeja.jpg
Baby crayfish.jpg
Baby crayfish 2.jpg

We went back in the field for a second data sampling trip two weeks later (04/06). Finding more crayfish but generally more of everything … spring arrived!

Aquatic insect_1.jpg
Crayfish_1.jpg
Find the frog.jpg
How to sex a crayfish.jpg
Kaleb crossing on the log_1.jpg
Kaleb crossing on the log_2.jpg
Kaleb.jpg
Little guy.jpg
Little guy_2.jpg
Shreeja.jpg
The culvert.jpg
The stream downstream of the culvert.jpg
The stream upstream of the culvert.jpg
The stream downstream of the culvert_2.jpg
Aquatic insect_1.jpg Crayfish_1.jpg Find the frog.jpg How to sex a crayfish.jpg Kaleb crossing on the log_1.jpg Kaleb crossing on the log_2.jpg Kaleb.jpg Little guy.jpg Little guy_2.jpg Shreeja.jpg The culvert.jpg The stream downstream of the culvert.jpg The stream upstream of the culvert.jpg The stream downstream of the culvert_2.jpg
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