Living Soil Crusts With Corey Nelson

Intro is 11:00Anybody who's spent any time studying or even observing plants in desert or seasonally arid environments is familiar with soil crusts and how bizarre and unique they can be, as well as the role they must be playing in the ecosystem - from providing a nurse substrate for a variety of cactus seedlings to germinate in to stabilizing the soil to adding organic material to what is otherwise rocky terrain to nitrogen fixation. It's an exceptional thing to suddenly realize that the entire ground beneath your feet is actually ALIVE.In this episode we talk with microbiologist Dr. Corey Nelson about the living soil crusts in arid environments and what the hell is going on with the multiple species of bacteria, fungi, archae and protists involved in this complex community of organisms that thrives where few other things can.

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