Introduction to Paleontology.  Episode 13,  Devonian Death and the Spread of Forests. 

 - 1 online resource (streaming video file) (30 minutes):  digital, .flv file, sound 
<br/><br/> Title from title frames.  Film  In Process Record. 
<br/><br/>Stuart Sutherland 
<br/><br/> Originally produced by The Great Courses in 2016. 
<br/><br/> Today, we look at forests as a sign of a healthy biosphere. But is it possible that the earliest forestation of our planet (as plants became larger; developed seeds, roots, and wood; and expanded away from the shoreline) could be responsible for mass extinction towards the end of the Devonian period? 
<br/><br/><br/>Mode of access: World Wide Web. 
<br/><br/><br/>In English 
<br/><br/><label>Publisher. No.: </label>12057524  Kanopy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, Ancient.<br/>Environmental sciences.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Education films.