In a new study, Mark Wilber and colleagues combine information on parasite distributions, extensive field data, and laboratory experiments to estimate – for the first time – how many amphibians die annually from trematode parasite infection.
In a new paper from Journal of Plankton Research, Kelly Loria, Kyle Christianson, and Pieter Johnson use a decade of data from an alpine lake in Colorado to understand how shifting climate is altering the zooplankton community.
We are excited to announce a new publication as part of a special issue in Aquatic Scienceson mountain lake ecology. Led by Kelly Loria, the study involved an extensive survey of lakes across an elevational gradient.
In a newly published article in the Proceedings of the Royal Society Series B, Ph.D. candidate Travis McDevitt-Galles highlights how phenological synchrony between infectious parasites and vulnerable hosts is a key determinant of disease risk.
Please join us in congratulating Dr. Pieter Johnson, who was awarded CU's most distinguished award a faculty member can receive!
What We Do
Our research focuses on two pervasive and inter-related forms of biological change: disease emergence and species invasions. Both have important consequences not only for individuals and populations, but for entire ecological communities and ecosystem processes. Invasions and disease can also have costly economic and health repercussions for human society. Our group strives to bring a broad perspective to these questions by combining field experiments, large-scale spatial and temporal field data, molecular tools and ecological modeling.
Disease Community Ecology
We apply approaches from community ecology to better understand and manage contemporary disease threats of humans and wildlife, which are often the product of interactions among multiple host species, coinfecting parasites, and other species.
Our Troubled Waters
Lakes, rivers, ponds and streams have become some of the most imperiled habitats on earth. Our group uses diverse tools ranging from genomics to ecosystem experiments to understand how freshwater systems are changing and at what cost.
Complexity in Conservation
Effective management requires approaches than can measure, anticipate and ameliorate the consequences of interactive stressors, such as land use change, pollution, invasive species and climate shifts.
Check out our other projects!
Interested in learning more about the Johnson Lab? Find out more about specific projects by checking out our other websites. If you would like to support future research, click the link below to make a donation to the Johnson Lab.