Research

Watch a recent research seminar on fundamental niches of trees by Daniel Laughlin in the Ecology and Evolution Seminar Series at UW.

 

 

 

 

 

 

 

 

 

 

 

 

List of funded projects:

Fire and Water in the West: Trait-based demographic dynamics of forest communities (funded by NSF 2025-2029) Daniel Laughlin, Bob Shriver

Drought and fire are driving widespread tree mortality and limiting tree recruitment in forests across the western United States. Forest ecologists do not fully understand which combinations of drought and fire adaptations will drive changes in tree species abundances in the future, and large gaps in existing functional trait databases prevent researchers from leveraging new analytical frameworks that integrate traits into demographic models. The aims of this project are to 1) quantify adaptive traits of tree species in the West and publish results in an open-access database, and 2) quantify the effects of traits on demographic rates that shape the contours of fitness landscapes in response to changing drought and fire. To achieve these aims, the researchers will measure and compile a comprehensive data set of traits on >100 tree species that capture key dimensions of functional strategies that evolved in response to water limitation and fire regimes, with a focus on bark thickness allometry, resprouting ability, xylem vulnerability to embolism, and rooting depth growth rate. These trait data will be combined with demographic data from the national forest inventory to test our mechanistic understanding of the demographic consequences of traits in multi-species forest communities using structured population models. The goal of this research is to provide a functional explanation for the widespread lack of forest recovery after fire in dry conditions.

Herbaceous common garden array for restoration (funded by USDA Forest Service 2024-2029) Daniel Laughlin, Donna Shorrock

Realized niches of species are but shadows of fundamental climatic tolerances of plant species. The objectives of this project are to quantify the climatic tolerances of 24 herbaceous species native to the Rocky Mountains using four common gardens that span > 10 degrees C in mean annual temperature. We will test theories about the architecture of ecological niches and to test the performance of species for post-fire restoration in the Front Range.

Disturbance impacts on vegetative recovery in subalpine forests (funded by USDA Rocky Mountain Research Station 2024-2026) Daniel Laughlin, Paula Fornwalt

Quantifying how alpine ecosystems are changing requires remeasurement of plant communities that were measured in historical surveys. Previous studies in the Snowy Range in the Medicine Bow-Routt National Forest offers a unique opportunity to study these changes. The site ranges from 3200-3500 m (10,500-11,500 ft), and hosts 289 species of vascular plants in a variety of vegetation types. We are remeasuring permanent plots established in the 1980’s in the Glacier Lakes Ecosystem Experiments Site (GLEES). We will analyze species composition and structure to quantify changes in the alpine ecosystem over the last 37 years in relation to recent trends in temperature and snow pack.

Ecology and restoration of vegetation in Grand Teton National Park (funded by National Park Service 2025-2030) Daniel Laughlin, Laura Jones

We will evaluate plant community trajectories using existing and future long term monitoring data to determine how biotic and abiotic factors such as herbivory, microorganisms, inter-species competition, soils, and climate influence restoration and management outcomes.

Enhancing sagebrush restoration in Grand Teton National Park (funded by National Park Service 2023-2028) Daniel Laughlin, Linda Van Diepen, Laura Jones, Erik Kramer

Evaluating sagebrush steppe condition, restoration efficacy and community trajectories in Grand Teton National Park. (funded by the National Park Service 2020-2026) Daniel Laughlin, Laura Jones, Erik Kramer

 

 

Former funded projects:

Modelscape: a Research Collaborative to Develop Highly Predictive Explanatory Models (funded by NSF 2020-2024) Buerkle, C.A., J.R. Blaszczak, S.M. Collins, R.O. Hall, L. Shoemaker, D.C. Laughlin, C. Weiss-Lehman, M. Forister

Applying Trait-Based Models To Achieve Restoration Targets In Rangelands (funded by USDA 2019-2023) Jen Funk, Daniel Laughlin, Dana Blumenthal

Integrating vital rates to predict the net effect of functional traits on fitness (funded by NSF 2019-2024) Daniel Laughlin, Margaret Moore, Jennifer Gremer, Rachel Mitchell, Peter Adler

Using New Zealand’s divariate plants to test a new hypothesis about the evolution of anti-browsing defences (funded by the Royal Society of New Zealand, Marsden Fund (2017-2019) Lusk, C.H., S. Wiser, R. Smissen, D.C. Laughlin, A. Tanzentap

People, cities, and nature: Restoring indigenous nature in urban environments (funded by the Ministry of Business, Innovation, and Employment Contestable Research Fund 2016-2019) Clarkson, B.D., D.C. Laughlin, E. Collins, H. Whaanga, C. Kirby, J. Innes, P. Wehi, N. Fitzgerald, Y. van Heezik, C. Freeman, S. Hartley, N. Nelson

A new solution to a perennial problem: resolving a paradox in pursuit of ecology’s Holy Grail (funded by the Royal Society of New Zealand, Marsden Fund 2013-2016) Daniel Laughlin

Controls on conifer regeneration patterns (1909-2011) and implications for future stand development (2012-2062) in southwestern forests (funded by USDA National Research Initiative – Managed Ecosystems 2008-2011) Moore, M.M., J.D. Bakker, D.C. Laughlin