Roosenburg Lab at Ohio University

Roosenburg Lab at Ohio University The Roosenburg Lab is part of the Ohio University Department of Biological Sciences. Research focuses on vertebrate ecology and evolution. The Roosenburg Lab at Ohio University works with vertebrate conservation, population ecology and evolution, including outreach and education programs.

Poplar Island Project: Poplar Island is a large scale environmental restoration site created by the Army Corps of Engineers that is rebuilding salt marshes, tidal mudflats, and upland coastal forests. Poplar Island is being rebuilt in the Chesapeake Bay using dredge material from the Baltimore Shipping Channel that must be removed to allow for the safe passage of ships. Terrapins began nesting on sandy beaches formed by the dredge material. The lack of mammalian nest predators allows for high nest success every year. A long term mark-recapture study has allowed us to study the life history of terrapins in detail, as well as the effectiveness of headstart programs. The headstart program provides outreach in K-12 schools across Maryland. It involves students raising terrapins in the classroom setting and collecting growth data to contribute to the program. The students then travel to Poplar Island to release their terrapins and observe their state reptile in its natural habitat. The Poplar Island project is partnered with the Diamondback Terrapin Working Group (dtwg): www.facebook.com/terrapin.dtwg Nelsonville Bypass Project: The Nelsonville Bypass is an 8.5 mile stretch of highway in Nelsonville, OH that bisects Wayne National Forest. The Ohio Department of Transportation has installed multiple wildlife crossings and fencing containing deer-jumpouts to limit wildlife mortality and mitigate habitat fragmentation. The Roosenburg Lab studies the amphibians and reptiles at this site. Surveys and mark recapture methods are used to document present species, determine population sizes, and evaluate the impact of the bypass on these animals. The installed culverts will be studied to determine whether animals are crossing the entire culvert or exiting out the same side they entered. This will determine whether the culverts are effectively mitigating road habitat fragmentation. Current Graduate Students: Steve Krichbaum, Paul Converse, Sarah Kitson, Garrett Sisson, Charlene Hopkins

From 22 July and the classroom of Pam Peringer at Kent high school and the 2018 academic year. Yeaaaa!
08/07/2020

From 22 July and the classroom of Pam Peringer at Kent high school and the 2018 academic year. Yeaaaa!

From Glenleg High School teacher is Regis from 2018 academic year caught on 28 July - Sorry doing some catch-up. Congrat...
08/07/2020

From Glenleg High School teacher is Regis from 2018 academic year caught on 28 July - Sorry doing some catch-up. Congrats!

Last few head-starts of the year. Caught today from 2018 Dowell Elementary and the teacher is Wood. Whoot!
08/07/2020

Last few head-starts of the year. Caught today from 2018 Dowell Elementary and the teacher is Wood. Whoot!

We had a slow week the sea nettles are in and clogging our nets. Not much fun and the turtle numbers are way down this w...
07/17/2020

We had a slow week the sea nettles are in and clogging our nets. Not much fun and the turtle numbers are way down this week. We caught two head starts this week and Solley Elementary School was the big winner. The one on the left was from the classroom of Kerr in 2018 and the other big girl was from the classroom of Siefert in 2012. She had eggs. Congratulations to both teachers. Solley is having a big year.

It was a first year, last year day in that we caught head starts from the first year we started the program (2005) and a...
07/08/2020

It was a first year, last year day in that we caught head starts from the first year we started the program (2005) and also one from the past school year.

Catching up from last weeks head starts. We are trapping in Cell 5AB which is the latest Cell to come on line and is not...
07/06/2020

Catching up from last weeks head starts. We are trapping in Cell 5AB which is the latest Cell to come on line and is not yet populated as densely as some of the older wetland Cells.

Friday was a great day on Poplar island. We found 11 nests and lots of females coming out to lays eggs on the island. I ...
06/28/2020

Friday was a great day on Poplar island. We found 11 nests and lots of females coming out to lays eggs on the island. I am excited to report that 6 of these females were head starts. One was the female from Beth Martin’s class, one of our greatest fans and retired teacher. We caught her last year too as I recognized her immediately when I caught her only about 50 feet from where we caught her last year.

I apologize but still catching up. This girl is from Bodkin School from the classroom of Duffy. She was raised during th...
06/28/2020

I apologize but still catching up. This girl is from Bodkin School from the classroom of Duffy. She was raised during the 10-11 school year and she was ready to lay her own eggs. Congrats!

Another from yesterday and the second turtle fro Solley Elementary School during the 13-14 school year. No eggs but she ...
06/26/2020

Another from yesterday and the second turtle fro Solley Elementary School during the 13-14 school year. No eggs but she definitely is big enough to be reproductive. Congrats!

This girl was from yesterday from Edgewater School and the class of Riesett from the 11-12 academic year. She had eggs. ...
06/26/2020

This girl was from yesterday from Edgewater School and the class of Riesett from the 11-12 academic year. She had eggs. Whoot!

From Severn River Middle School the classroom of Hudson during the 2010-11 academic year. Whoot! Whoot first time on 10 ...
06/24/2020

From Severn River Middle School the classroom of Hudson during the 2010-11 academic year. Whoot! Whoot first time on 10 years.

Two more head-starts today the one on the right is from one of the schools with the National Aquarium from the 2013-14 a...
06/23/2020

Two more head-starts today the one on the right is from one of the schools with the National Aquarium from the 2013-14 academic year and the one on the left is from Lindale Middle School and the teacher is Mauro from the 12-13 academic year. Congrats to both!

Another big day today for the turtle crew. Almost 100 turtles caught and here are the head-starts. Crew Is still process...
06/19/2020

Another big day today for the turtle crew. Almost 100 turtles caught and here are the head-starts. Crew Is still processing so there may be more.

Two more head-starts today. On the right is from George Fox Middle school and the one on the left is from Southern Middl...
06/19/2020

Two more head-starts today. On the right is from George Fox Middle school and the one on the left is from Southern Middle School both from the 13-14 school year and were both carrying eggs. I apologize but we do not know the teachers. Congrats to the schools. It’s hard to imagine but the students that raised these turtles have graduated high school by now.

This is from South River School, teacher Martin. From the 2017-18 school year. Congrats Beth this is your second recaptu...
06/17/2020

This is from South River School, teacher Martin. From the 2017-18 school year. Congrats Beth this is your second recapture, one last year and now this girl. Buy

A slow cold day on Poplar Island but we caught this girl from Hilltop High School from the 15/16 school year. Teacher Da...
06/17/2020

A slow cold day on Poplar Island but we caught this girl from Hilltop High School from the 15/16 school year. Teacher Dana Quainoo. This turtle is another exemplar of the acceleration in age at maturity we are seeing among our head-starts. She is 5 years old and 2-3 years younger than when wild individuals are first are able to reproduce. This girl was full of eggs.

We had a whopper of a head-start day out on Poplar Island. Seven today and many of the individuals we have never caught ...
06/16/2020

We had a whopper of a head-start day out on Poplar Island. Seven today and many of the individuals we have never caught before. Check to see if your turtle is on this list. If there are any misspellings please let me know and I will fix them. Congratulations to all on our best head-start day ever.

Two more head starts today! The big girl on the left is from the Mayo School and the teacher is Gast from 07-08, the lit...
06/12/2020

Two more head starts today! The big girl on the left is from the Mayo School and the teacher is Gast from 07-08, the little guy on the right is from Central Special School and the teacher is Voll from last year 18-19. Congratulations your terps are doing well!

From the Piney Orchard School, teacher Beall from 2018-18 academic year. Congrats!
06/12/2020

From the Piney Orchard School, teacher Beall from 2018-18 academic year. Congrats!

Processing turtles a la Covid-19. Out in the heat and wearing face masks.
06/10/2020

Processing turtles a la Covid-19. Out in the heat and wearing face masks.

From the classroom of Pam Deringer during the 15-16 academic year. Congrats!
06/10/2020

From the classroom of Pam Deringer during the 15-16 academic year. Congrats!

From Linthicum Elementary teacher is Kramer from the 17-18 academic year. Hoorah!
06/10/2020

From Linthicum Elementary teacher is Kramer from the 17-18 academic year. Hoorah!

From the classroom of Scoggins at Ridgeway from 2013. We also caught her last year. Lots of big females are hitting the ...
06/10/2020

From the classroom of Scoggins at Ridgeway from 2013. We also caught her last year. Lots of big females are hitting the beach and nesting today. We are busy!

From Duffy’s class at Bodkin School from 11-12 academic year. We caught this girl in 2018 and she showed up again this y...
06/10/2020

From Duffy’s class at Bodkin School from 11-12 academic year. We caught this girl in 2018 and she showed up again this year. Congrats!

Hoping that we will catch the turtle from your classroom? Do not despair! Patience is the turtle’s way. Here is a pictur...
06/09/2020

Hoping that we will catch the turtle from your classroom? Do not despair! Patience is the turtle’s way. Here is a picture of a hatchling we released on Poplar Island in 2006 and she was recaptured for the first time today, 14 years later. I think I am ready to retire, she’s just getting started.

West Annapolis pulls into a commanding lead with their second head start of the season. This is from Thorn’s class durin...
06/09/2020

West Annapolis pulls into a commanding lead with their second head start of the season. This is from Thorn’s class during the 2017-18 academic year. Must be something in the water there.

Turtle from West Annapolis Elementary School, teacher Burrows during the 2014-15 academic year. Congratulations!! We had...
06/05/2020

Turtle from West Annapolis Elementary School, teacher Burrows during the 2014-15 academic year. Congratulations!! We had a big day on the island as we caught 100 turtles today.

Heading out for our first day of field work this season on Poplar Island. Net, traps, field assistants and all our gear ...
06/05/2020

Heading out for our first day of field work this season on Poplar Island. Net, traps, field assistants and all our gear onboard. “Any day of work that starts with a boat ride is a good day.”

Yesterday 3 June, we caught this snakehead in our fyke nets on Poplar Island. Not what we would like to see but it was d...
06/04/2020

Yesterday 3 June, we caught this snakehead in our fyke nets on Poplar Island. Not what we would like to see but it was delicious 😋. Apologies for the gory picture but check out the ovaries. They are the yellow structure in the picture and they were full of eggs. They were huge and also good that we caught her before she was able to spawn. 👍 field crew was grateful for the protein.

We are back despite a slight delay due to Covid 19. We caught our first head-start on Poplar Island for the 2020 season....
06/04/2020

We are back despite a slight delay due to Covid 19. We caught our first head-start on Poplar Island for the 2020 season. This girl was from the 17-18 academic year of teacher Wood at Maryland City School.

I had a wonderful week in Panama with 18 Ohio University students engaged in tropical ecology at the Institute for Tropi...
03/15/2020

I had a wonderful week in Panama with 18 Ohio University students engaged in tropical ecology at the Institute for Tropical ecology and Conservation in Bocas del Toro. Many thanks to Pete and Leo Lahanas, Bill Mahr and Enrique

Training teachers for this year's headstart program.
09/30/2019

Training teachers for this year's headstart program.

Some shots from this morning's hatchling release. Good luck out there lil' guys!
09/13/2019

Some shots from this morning's hatchling release. Good luck out there lil' guys!

Our first batch of headstarts getting ready to go to their new classrooms and education centers!
08/14/2019

Our first batch of headstarts getting ready to go to their new classrooms and education centers!

Headstart from Arlington Echo Outdoor Education Center. This girl is from 2017, but is already quite big! Congrats🎉
07/30/2019

Headstart from Arlington Echo Outdoor Education Center. This girl is from 2017, but is already quite big! Congrats🎉

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The Roosenburg Lab at Ohio University works with vertebrate conservation, population ecology and evolution, including outreach and education programs. Poplar Island Project: Poplar Island is a large scale environmental restoration site created by the Army Corps of Engineers that is rebuilding salt marshes, tidal mudflats, and upland coastal forests. Poplar Island is being rebuilt in the Chesapeake Bay using dredge material from the Baltimore Shipping Channel that must be removed to allow for the safe passage of ships. Terrapins began nesting on sandy beaches formed by the dredge material. The lack of mammalian nest predators allows for high nest success every year. A long term mark-recapture study has allowed us to study the life history of terrapins in detail, as well as the effectiveness of headstart programs. The headstart program provides outreach in K-12 schools across Maryland. It involves students raising terrapins in the classroom setting and collecting growth data to contribute to the program. The students then travel to Poplar Island to release their terrapins and observe their state reptile in its natural habitat. The Poplar Island project is partnered with the Diamondback Terrapin Working Group (dtwg): www.facebook.com/terrapin.dtwg Nelsonville Bypass Project: The Nelsonville Bypass is an 8.5 mile stretch of highway in Nelsonville, OH that bisects Wayne National Forest. The Ohio Department of Transportation has installed multiple wildlife crossings and fencing containing deer-jumpouts to limit wildlife mortality and mitigate habitat fragmentation. The Roosenburg Lab studies the amphibians and reptiles at this site. Surveys and mark recapture methods are used to document present species, determine population sizes, and evaluate the impact of the bypass on these animals. The installed culverts will be studied to determine whether animals are crossing the entire culvert or exiting out the same side they entered. This will determine whether the culverts are effectively mitigating road habitat fragmentation. Current Graduate Students: Steve Krichbaum, Charlene Hopkins, Alayna Tokash, David Jenkins, and Dan Leger

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Comments

This sounds like such a cool project! I was excited to see my Alma mater involved with such interesting research here where I now live! I bet the kids love it!