A day in the field

The Johnson Lab joins collaborators from UCSF Medical School (Nadav Ahituv and Jingjing Zhao) in a study to understand how parasites change the... more

Cat parasite linked to entrepreneurial career choices

A new paper coauthored by Stefanie Johnson at the Leeds School of Business and Pieter Johnson links infection by a widespread parasite to entrepreneurial careers in CU students. The... more

Congratulations Dr. Pieter Johnson for receiving the Henry Baldwin Ward Medal!

Meet the Niwot Ridge LTER Limnology Team

Team members stand in front of Lake Albion, a subalpine lake in the Green Lakes Valley that contributes to 40% of Boulder's water supply.

Summer Kick-off!

Our summer research season has begun in the lab! We kicked off the season with a cook-out with friends and family.

Congratulations 2018 Graduates!

A special congratulations to Audrey Oweimrin, Dylan Rose, and Roxanne Van Hove for graduating this May! Each of you have been a wonderful part of the lab and will be missed. Additional commendations to Audrey and Dylan for defending their honors... more

The Rise of Disease Ecology

A new paper coauthored by Janet Koprivnikar at Ryerson University and Pieter Johnson was the subject of a recent press release by the Journal of Parasitology. The paper explores the rise of disease ecology as a discipline and how greater... more

A Volcanic Blitz

Travis McDevitt-Galles and Piet Johnson undertook a sampling blitz around Lassen Volcanic National Park and Lassen National Forest, visiting 34 remote wetlands over four days. The visit may shed new light on the role of drought in causing... more

A Warm Welcome!

We are excited to welcome two new PhD students this Fall – Travis McDevitt-Galles and Wynne Moss. Travis, who completed his Masters thesis with us this past spring, has officially made the transition into the PhD program. Wynne did her Master’s... more

Image by D. Herasimtschuk, Freshwaters Illustrated

A World Without Parasites

Renowned science journalist Carl Zimmer talks about what a world without parasites would really be like, building from the recent publication by Drs. Chelsea Wood and Pieter Johnson (featured on the cover of Frontiers in Ecology and the... more