A small storm moves over Konza Prairie

   Grasslands of the North American Great Plains, from tallgrass prairie, to the mixed-grass ecotone, to shortgrass steppe.

   Large herbivores vary across the Great Plains, including bison, cattle, and pronghorn antelope.

   Hundreds of baby spiders hatch and                      Setting up trial litter addition treatments in an      Chronic, long-term nutrient additions                    disperse.                                                                     annually burned watershed at Konza.                      transform mixed-grass prairie. 

  Big skies above grasslands in Colorado, South Africa, and Kansas.

   Native prairie forb, Mexican hat, in Kansas.           Invasive French broom in the Bay Area.                Beautiful California poppies.

    Soil ammonium and nitrate extractions.                Seedlings just coming up in the greenhouse.         Assays to assess soil microbial extracellular                                                                                                                                                                                    enzyme activity.              

   Harvesting root nodules from invasive legumes, streaking the rhizobial bacteria on plates, then transferring single-cell initiated colonies into              liquid culture.