A dark, lumpy crust of cryptobiotic soil blankets the ground as far as you can see, forming a living groundcover of cyanobacteria, algae, and lichens. Grand Gulch is a Wilderness Study Area, so watch ...

Deep Creek flows in from the right at 4.5 miles. Take extra care to stay on the trail around 6.5 miles, where the footpath cuts through an area of cryptobiotic soil. The bumpy black crust is a form of ...

Get Instant Summarized Text (Gist) Research on Kenya's Lake Victoria's Winam Gulf, a potential model for Lake Erie, reveals year-round harmful algal blooms dominated by cyanobacteria like ...