
2015 Fourth of July Butterfly Count
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Soils Plants and Invasion
Plants live in tight association with microbes, especially belowground where fungi and bacteria live on and inside the roots of plants. The relationship can be beneficial or harmful to the plant. Some microbes cause plant diseases by decomposing roots. Others trade nutrients with the roots in return for sugars produced aboveground by leaves.
We investigate two main aspects of the relationship between plants and microbes in the soil. First, as it pertains to weeds, we want to know if soil microbes can help or hinder plant invasions. Three highly invasive weeds of contrasting life history strategies; cheatgrass, knapweed and leafy spurge, co-occur with remnants of native plant vegetation. This creates a unique opportunity to observe, characterize, and manipulate interactions between plants and belowground microbial communities. We outline a number of short, intermediate and long-term research projects that will significantly enhance our knowledge regarding plant microbe interactions and soil processes, with the overall goal to better understand, predict and counteract plant invasions, and to restore and manage invaded ecosystems.
Second, we seek to understand how the relationship between plants and soil influences the function of ecosystem processes. Soil microbes are responsible for organic matter decomposition and nutrient cycling between the atmosphere and the land. On this project we collaborate with the Earth Microbiome Project (EMP). The goal is to map and understand the diversity of microorganisms in habitats around the world. We mapped microbial diversity and function across gradients of weed invasions.

About the AuthorMarirose Kuhlman
Marirose graduated with a BA in biology with an emphasis in botanical science from the University of Montana, Missoula. She gained experience in botany working as a field technician for the Forest Service, non-profits, and the university. She has also worked as a lab technician in a salmon and trout genetics lab, and has organized environmental education classes for local homeschooled children.
Marirose works as a botanist for MPG Ranch where she performs vegetation surveys and conducts a pollinator monitoring program. She lives in a little hand-built cabin in the woods with her husband and their four young children who keep them very, very busy.
Marirose works as a botanist for MPG Ranch where she performs vegetation surveys and conducts a pollinator monitoring program. She lives in a little hand-built cabin in the woods with her husband and their four young children who keep them very, very busy.