My research has focused on factors affecting population and community dynamics of freshwater fish and invertebrates, especially the role of disturbance in community dynamics, impacts of introduced species in aquatic ecosystems, and aquatic ecosystem conservation. As part of this work, I attempt to bridge the gap between studies done at small spatial scales and the larger spatial scales necessary to understand how natural and human impacts affect population and community dynamics in stream ecosystems.  These projects and related work are carried out using a combination of observation, experimentation in the field and lab, and modeling approaches.

I work with post-docs, graduate and undergraduate students,  and technicians in a team doing basic and applied research to address conservation and ecological questions.  I currently have a Post-Doctoral Fellow, six PhD students, one MS student and two Honor's undergrads working with me.  Much of our work takes place in the Interior Highlands, but we have also worked in other regions of the US as well as internationally..

Flow Alteration Research

We are examining hydrologic alteration, geomorphic instability and potential impacts on mussel species of conservation concern and associated fish communities.

Endangered Species Research

We are examining effects of current and future climate on Endangered Yellowcheek Darter growth, survival and refuge use.

Current Research Projects

 

These are just two of several ongoing projects in the lab.

Prospective Students

I am regularly interested in taking on graduate students. I currently have three PhD research assistantships available (https://wfscjobs.tamu.edu/jobs/ph-d-research-assistantships-stream-ecology-university-of-arkansas/). Contact me using the link above or at danmag@uark.edu.

 

News

Covid-19 is the big issue we're dealing with like everyone else, but we're continuing to do research, teach and service.

Fall 2020

Kearstin Findley and Ben Zamzow joined our team as PhD students.

August 2020

Dan taught Biometry in spring semester, first on campus like usual, and then online due to Covid and the U of A going to online only. The students were awesome!

Jan-May 2020

Dan gave a presentation on our Species Status Assessment-related approaches and studies at a U.S. Fish and Wildlife Service Workshop, Atlanta, Georgia..

February 2020

Adrienne Ingram gave a poster and Dan gave a talk at the American Fisheries Society/Wildlife Society joint conference in Reno, NV.

October 2019

About Our Lab
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