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New vegetation taking root on the north side of Meta Lake, on the northeast slopes of Mount St. Helens in Washington, almost 30 years after the area was devastated by the largest volcanic eruption in US history. In the foreground, from left to right, are (at a 45-degree angle) a stalk of late-season fireweed, Epilobium angustifolium; red thin-leaf huckleberry, Vaccinium membranaceum; amber oval-leafed huckleberry, Vaccinium ovalifolium; and pearly everlasting, or strawflower (with white flowers), Anaphalis margaritacea. In the middle foreground are mixed evergreens: Pacific silver fir (Abies amabilis); mountain hemlock (Tsuga mertensiana); and Douglas-fir (Pseudotsuga menziesii). The north-facing slope across the lake was protected by snow at the time of the eruption and bears legacy vegetation. In the article that begins on page 571, Steve Nash discusses how concepts of ecosystem resilience are developing in the light of studies of recovery after disturbances such as a volcanic eruption. Identifications courtesy of Peter Frenzen, Mount St. Helens National Monument. Photograph: Steve Terrill (www.terrillphoto.com).
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