Showing posts with label glaciers. Show all posts
Showing posts with label glaciers. Show all posts

Wednesday, August 7, 2013

Weird Wednesday: Revive a Bryophyte for Science!

Bryophytes are pretty weird little plants. Mosses and liverworts have been around for over 400 million years. They are at the opposite end of the evolutionary timeline as Tillandsias; Tillies may be the newest kids on the plant block.

So these "old timer" bryophytes frequently get buried by glaciers during ice ages. And they can sit patiently under the ice for a really long time....

A number of unfortunate bryophytes have been stuck under the ice for half a millennium, since the Little Ice Age! But as glaciers everywhere retreat with global warming, these plants are actually reviving. Here's the link:

http://www.sciencedaily.com/releases/2013/05/130528202549.htm?utm_source=dlvr.it&utm_medium=twitter&utm_campaign=Feed%3A+sciencedaily%2Fearth_climate+%28ScienceDaily%3A+Earth+%26+Climate+News%29

Dr. La Farge is the curator of the very cool-sounding Cryptogamic Herbarium; do you think she imagined her career when she was just a kid? I doubt it. But she and her team of scientists are growing these long-dormant plants, and glaciers are looking more like long-term depositories of many plant species; Mother Nature turns out to be an efficient archivist!

File:MarchantiophytaSp.NonDéterminéeFL3.jpg
A random bryophyte.