Whenever I visit a burned over area of eastern Washington range land I am impressed with the bioturbation as it shows up a bit better with the surface of the ground covered with blackened plant remains. Within days there are piles of freshly dug silts covering the landscape. A good reminder of how much soil turnover takes place in the upper soil horizon. These critters will do a very good job of disrupting carbon horizons and volcanic ash layers.
Monthly Ferns—Prairie Quillwort & Scale Tree
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Prairie Quillwort is 50 centimeters tall (© 2015 Robbin Moran); Scale Tree
is 50 meters tall (source). Both are lycophytes—formerly "Fern Allies".This
ep...
1 day ago
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