Cryptobiotic crust performs vital functions in the landscape, such as preventing erosion and improving air quality. Soil crust is highly fragile and can take centuries to form. Just a single tire, boot, or hoof can undo nearly a hundred years of growth. You can learn more about it from Sophie. #soil #cryptobioticcrust #cryptobioticsoil #landscape #sdbg #sandiego #sandiegobotanicgarden #encinitas