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In our lab, we study interactions between terrestrial ecosystems, the global climate system, and other drivers of global change. We tend to focus on plants, but as many of our colleagues remind us, we cannot forget about other players in the ecosystem.

We use a combination of empirical studies at multiple scales and modeling to answer our questions.

Through our work, we hope to improve our understanding of how terrestrial ecosystems regulate climate and global change. Ultimately, we aim to improve the reliability of future projections of our ever-changing world.

Below is list of some ongoing projects in the lab. We are always looking to start new collaborations! Please reach out if you'd like to collaborate on a project.



Improving understanding and prediction of photosynthetic acclimation to global change

Funding: National Science Foundation CAREER program

We are interested in understanding how photosynthesis acclimates to environmental changes, both above- and below-ground. This includes tackling the following questions:

  • How do soil nutrients and nutrient acquisition alter acclimation responses?
  • What do plants acclimate to and how long does it take?
  • How does photosynthetic acclimation alter community- and ecosystem-scale processes?
This work is being led by postdocs and graduate students in the lab. We are also creating course based undergraduate research experiences (CUREs) as part of the project.

Photo: Aims of photosynthetic acclimation project.



Land Ecosystem Models Based On New Theory, obseRvations, and ExperimEnts (LEMONTREE)

Funding: Schmidt Futures VESRI program

In collaboration with many other institutions, we are working on ways to improve the reliability of land surface model simulations. This large, collaborative project includes modeling groups, remote sensing group, and experimentalists (like us!). We will be working closely with other groups to design experiments that can test and help to develop new theory that can be used to improve land surface models.

Photo: Models are complex! Out project will help to simplify them and make them more tractable.



Measuring pitch pine physical and chemical defense mechanisms in historically and culturally important forests in Concord, MA

Funding: National Parks Service Preservation Technology and Training Grants Program

In this project, we are examining culturally important populations of Pitch Pines in Concord Massachusetts. These are the plants that Thoreau and other Transcendentalists wrote about! These pines are at risk of being attached by Southern Pine Beetle as its populations move north along the Eastern seaboard with global warming. We are setting up a monitoring program to identify signals of infestation in hopes of saving these trees from SPB attack.

Photo: Pitch pine in Concord, MA.



Defining the drivers of plant nitrogen across resource gradients to improve agricultural, ranch, and wildlife management

Funding: Texas Ecological Laboratory

Here we are using a E-W precipitation gradient across Texas to explore the drivers of plant nitrogen. This work will have implications for our basic understanding of these driving processes as well as more applied implications for different forms of land use including agricultural, ranch, and wildlife management. Notably, this project will test theoretical assumptions about how plants acclimate to resource gradients.

Photo: A visitor to one of our sites!



Potato productivity under global change

Funding: United States Department of Agriculture Borlaug Fellowship Program

Producers have a plethora of options available for managing their land. Options are typically chosen with yield and costs in mind. However, yield impacts are hard to predict, especially under novel environments. In this project, we are examining potato responses to global change using experiments and measurements that allow us to model projections under future global change. In particular, we are looking at management practices that can mitigate negative impacts of global change, particularly those that would be feasible for implementation in Kenya. This is being led by Borlaug Fellow Dinah Borus.

Photo: A young potato tuber from a farm in Springlake, TX.