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SUCCESSION. Pre-1980 Mount St. Helens . May 18, 1980. Post Eruption 1980-view 1. Post Eruption1980-view 2. 1981. 1984. N-fixing Lupines. 1985. 1985. 1986. 1988. Old Field Succession. Right after abandonment. Months to 2 Years later. 3 to 8 years later. 15 to 20 years later.
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1984 N-fixing Lupines
Photo Credits • Images copied from: • http://bioweb.wku.edu/faculty/Ameier/oldfield1.htm • http://ohioline.osu.edu/fr-fact/images/0006_1.jpg • http://vulcan.wr.usgs.gov/Volcanoes/MSH/Images/recovery.html (Credit USGS, US Department of the Interior)