David Armstrong

Ph. D. University of Kansas, Lawrence, 1971 • Professor Emeritus
Evolutionary biogeography; community and conservation ecology; human impact on native ecosystems; ecology, distribution, and systematics of mammals of western North America and Middle America; science in general education; history of biology, especially ecology & evolution.

Marc Bekoff

Professor Emeritus

Carl Bock

Professor Emeritus
Grassland ecology, fire ecology, ecology of birds, conservation biology related to the above topics.

Jane H. Bock

Professor Emeritus
The ecology and evolution of flowering plants in the Colorado Alpine and High Plains, and similar areas elsewhere in the Northern Hemisphere and the reproductive patterns of flowering plants.
Michael Breed headshot

Michael D. Breed

Ph.D., University of Kansas, 1977 • Professor
Social behavior in insects, kin recognition system of honey bees, nest defense in honey bees, and social biology of the giant tropical ant. Kin recognition studies are designed to examine the various factors--queen, workers, nesting material, and food--that go into recognition of nestmates, to demonstrate how these factors are integrated, their fitness outcomes, and their genetic basis. Nest defense is an interesting but relatively unexplored issue in honey bee biology. Studies have focused on the role of the guard bees in initiating defense responses. The giant tropical ant is a good model for the adaptation of a social insect to its environment. These studies, conducted in Costa Rica, have dealt with division of labor and recruitment
Head shot of William Lewis.

William Lewis

Ph.D., Indiana University, 1974 • Professor & Director of the Center for Limnology
Freshwater ecology and limnology. Topics of special recent interest include (1) the systems ecology of tropical lakes and rivers; (2) adaptation and ecology of plankton, especially phytoplankton; (3) chemistry of atmospheric deposition, especially as it relates to nutrient mass balance in ecosystems; (4) the trophic ecology of lakes; and (5) water quality and limnology of lakes and streams in Colorado.

Yan Linhart

Ph.D., University of California, Berkeley, 1972 • Professor Emeritus
Dynamics of evolutionary change in plants. Current research includes (1) evolutionary consequences of plant-animal interactions, (2) long-term studies of the population dynamics and evolution of forest trees, (3) investigations of the factors that cause genetic differentiation of populations.

Carol B. Lynch

Ph.D., University of Iowa, 1971 • Professor Emeritus
The genetic basis of evolutionary adaptation, and brain mechanisms underlying adaptive behaviors. A model system has been the study of cold adaptation in mice, with emphasis on nest-building. We have available replicated genetic lines in mice that have been selectively bred for over 60 generations for differences in nest-building. These lines also differ in genetically correlated traits, such as body weight and litter size, as well as circadian rhythms and brain (hypothalmus) neurochemistry and neuroanatomy. These lines facilitate studies of both constraints on adaptive evolution, and the path from genes to behavior.
Jeff Mitton

Jeffry B. Mitton

Ph.D., State University of New York at Stony Brook, 1973 • Professor
My primary research interests focus on the evolutionary forces that influence genetic variation within and among populations. DNA sequences of mitochondrial, chloroplast, and nuclear genes, and electrophoretic variation of proteins are used to characterize variation in populations of plants and animals. Phylogeographic studies are used to describe patterns of variation and to make historical inferences about glacial refugia and routes of migration. I am particularly interested in three unique opportunities afforded by organellar genomes: 1) contrasting patterns of mtDNA and cpDNA in conifers; mtDNA is maternally inherited, and short dispersal, while cpDNA is paternally inherited and has potentially very long dispersal; 2) marine and freshwater have two mitochondrial systems, one with maternal inhertance, one with paternal inheritance; 3) mistletoes, which are parasitic on conifers, have stolen some genes from their hosts, and incorporated it into their chloroplast genomes.

Russell K. Monson

Ph.D., Washington State University, 1982 • Professor Emeritus
Plant physiological ecology; forest-atmosphere exchanges of carbon dioxide, water vapor, ozone and energy; environmental and physiological control over the emission of isoprene and other biogenic volatile organic compounds (VOCs) from forest ecosystems and the relationship of VOC emissions to atmospheric chemistry; coupling of biogeochemical cycles, especially those involving water, carbon and nitrogen; the evolution of C4 photosynthesis in plants. Two primary efforts in my lab involve (1) studies of forest carbon and water flux at the Niwot Ridge Ameriflux site, located near Boulder in a high-elevation subalpine forest, and (2) studies of the biochemical and physiological controls over isoprene, monoterpene and acetaldehyde emissions from forest trees in relation to future climate change and elevated atmospheric CO 2 concentrations. Our aims in the effort related to forest-atmosphere fluxes involve quantification of forest carbon fluxes and elucidation of the principal biological and environmental controls over spatial and temporal variability in forest carbon sequestration. This effort supports the broader aim of understanding the global terrestrial carbon cycle. Our aims in the effort related to the controls over isoprene, monoterpene and acetaldehyde emissions involve development of fundamental biochemically-based models to predict how forests affect air quality in a future environment characterized by higher global temperatures, more frequent extreme climate events, and higher atmospheric carbon dioxide concentrations.

Harvey Nichols

Ph.D., University of Leicester, England, 1964 • Professor Emeritus
Paleo-ecology, arctic and alpine environments, and global change, with emphasis on pollen analysis (palynology) as a method of reconstructing past vegetation and climate to understand the present environment and to act as background for current environmental concerns. The program has involved over twenty expeditions into the arctic to study past movements of the arctic tree-line driven by climatic change, which now provides an important perspective and test for the Greenhouse Hypothesis. An agreement has been reached with the Central Siberian Botanical Institute to exchange American and Russian students to explore the Siberian and North American arctic tree-line for signs of atmospheric warming in a long-term research project.
portrait of tim

Timothy Seastedt

Ph.D., University of Georgia, 1979 • Professor
Terrestrial ecosystem studies, including factors influencing biodiversity, productivity, soil carbon dynamics, decomposition and mineralization processes, and how these processes affect ecosystem services. Most recently my research has involved studies of invasive plant species and invasibility of ecosystems within the context of other components of global change. Similarly, I'm keenly interested on how restoration can be conducted within an era of rapid environmental change.