dakiri

  • Home
  • Browse
  • Search
  1. Places and Vacations

2011: CO, NM, & UT

Read More
  • Photo Sharing
  • About SmugMug
  • Browse Photos
  • Prints & Gifts
  • Terms
  • Privacy
  • Contact
  • Owner Log In
© 2023 SmugMug, Inc.
    P5301125.jpg
    The black stuff is biological soil crust (bacteria, lichens, algae, etc).  It basically keeps nutrients in the soils and also keeps the soils from eroding  away.  There are many warning signs asking people not to step on these since it takes about 50 years for it to recover.