Kaspari M, Beurs KM, Welti EAR. How and why plant ionomes vary across North American grasslands and its implications for herbivore abundance. Ecology. 2021;102(10):e03459. doi:10.1002/ecy.3459.

Welti EAR, Kuczynski L, Marske KA, Sanders NJ, Beurs KM, Kaspari M. Salty, mild, and low plant biomass grasslands increase top?heaviness of invertebrate trophic pyramids. Madin E. Global Ecology and Biogeography. 2020;2958(9):1474 - 1485. doi:10.1111/geb.13119.

Welti EAR, Sanders NJ, Beurs KM, Kaspari M. A distributed experiment demonstrates widespread sodium limitation in grassland food webs. Ecology. 2019;7113:e02600. doi:10.1002/ecy.2600.