This is a Primary Terrestrial succession. Dry river bed. How it all began By msreed5 Mar 1, 1901 The water comes and life begins Period: Mar 1, 1901 to Mar 1, 1905 the water come and life begins Sep 1, 1901 The moss and lichens begin to grow. Our land is beginning to come alive pioneer species Mar 1, 1902 growth goes upward. Sep 1, 1902 Terrain begins Mar 1, 1903 Climax communtiy Sep 1, 1903 Natural Eutrophication...Flood