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Natural Resources

A dragonfly uses Kayla Vondracek's cap as a landing pad. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek talks with Professor Jessica Corman as they and Matthew Chen take their lunch break riverside. Professor Jessica Corman prepares more filtered water. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek and Matthew Chen exchange greetings with kayakers on the Niobrara. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, junior in Environmental Studies, gets up close and personal with the Niobrara River while scrubbing an algae sample off of the river bedrock. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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A sand sample is brought out of the river. Kayla Vondracek, junior in Environmental Studies, researches algae in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12; 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek holds her sample over a collection bottle as Matthew Chen rinses all the sand and algae into the container. In the background, Professor Jessica Corman prepares more filtered water. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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The filter from a water sample is carefully saved for analysis. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Jessica Corman, assistant professor in the School of Natural Resources, helps Kayla Vondracek filter a water sample. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, Jessica Corman and Matthew Chen look over a sand sample in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, Jessica Corman and Matthew Chen look over a sand sample in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, Jessica Corman and Matthew Chen look over a sand sample in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Jessica Corman talks with Matthew Chen as he helps Kayla Vondracek work on the cobble samples. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Data on water depth, speed, sunlight and sampling method is kept for each site. Kayla Vondracek, junior in Environmental Studies, researches algae in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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After collecting cobble, Kayla Vondracek scrubs all the algae off the samples, and collects it in the sample bottle in the foreground. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Algae covers a cobble. Kayla Vondracek, junior in Environmental Studies, researches algae in the Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, junior in Environmental Studies, heads back to the river to collect algae-covered cobble. Niobrara River. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, junior in Environmental Studies, looks over her sand sample. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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With a Petri dish and spatula in hand, Kayla Vondracek, junior in Environmental Studies, feels across the bottom of the Niobrara River to find a sand deposit to sample. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Kayla Vondracek, junior in Environmental Studies, pours river water through a filter to produce pure water to keep her algae samples in. She does this for each test site she works. Jessica Corman, assistant professor in the School of Natural Resources, UCARE research group researching algae in the Niobrara River. Fort Niobrara National Wildlife Refuge. July 12, 2019. Photo by Craig Chandler / University Communication.

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Niobrara River southeast of Valentine, NE. July 12, 2019. Photo by Craig Chandler / University Communication

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Niobrara River west of Valentine, NE. July 12, 2019. Photo by Craig Chandler / University Communication.

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University of Nebraska-Lincoln researchers (green shirt) Caleb Roberts, (black shirt) Craig Allen and (white shirt) Dirac Twidwell have found evidence that multiple ecosystems in the U.S. Great Plains have moved substantially northward during the past 50 years due to warmer climates. June 13, 2019. Photo by Craig Chandler / University Communication.

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University of Nebraska-Lincoln researchers (green shirt) Caleb Roberts, (black shirt) Craig Allen and (white shirt) Dirac Twidwell have found evidence that multiple ecosystems in the U.S. Great Plains have moved substantially northward during the past 50 years due to warmer climates. June 13, 2019. Photo by Craig Chandler / University Communication.

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Researchers with the University of Nebraska-Lincoln take groundwater samples from the Loup River in the Sandhills of Nebraska . By sampling groundwater and determining its age, they hope to determine whether predictions for groundwater discharge rates and contamination removal in watersheds are accurate.

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All photos are available to UNL departments at no charge. Email the titles of the photos to Craig Chandler or Monica Myers.

cchandler2@unl.edu
mmyers2@unl.edu

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