Disturbance, Survival, and Succession: Understanding Ecological Responses to the 1980 Eruption of Mount St. Helens.- Geological and Ecological Settings of Mount St. Helens Before May 18, 1980.- Physical Events, Environments, and Geological-Ecological Interactions at Mount St. Helens: March 1980-2004.- Survival and Establishment of Plant Communities.- Plant Responses in Forests of the Tephra-Fall Zone.- Plant Succession on the Mount St. Helens Debris-Avalanche Deposit.- Geomorphic Change and Vegetation Development on the Muddy River Mudflow Deposit.- Proximity, Microsites, and Biotic Interactions During Early Succession.- Remote Sensing of Vegetation Responses During the First 20 Years Following the 1980 Eruption of Mount St. Helens: A Spatially and Temporally Stratified Analysis.- Survival and Establishment of Animal Communities.- Arthropods as Pioneers in the Regeneration of Life on the Pyroclastic-Flow Deposits of Mount St. Helens.- Posteruption Arthropod Succession on the Mount St. Helens Volcano: The Ground-Dwelling Beetle Fauna (Coleoptera).- Causes and Consequences of Herbivory on Prairie Lupine (Lupinus lepidus) in Early Primary Succession.- Responses of Fish to the 1980 Eruption of Mount St. Helens.- Amphibian Responses to the 1980 Eruption of Mount St. Helens.- Small-Mammal Survival and Colonization on the Mount St. Helens Volcano: 1980-2002.- Responses of Ecosystem Processes.- Mycorrhizae and Mount St. Helens:Story of a Symbiosis.- Patterns of Decomposition and Nutrient Cycling Across a Volcanic Disturbance Gradient: A Case Study Using Rodent Carcasses.- Lupine Effects on Soil Development and Function During Early Primary Succession at Mount St. Helens.- Response and Recovery of Lakes.- Lessons Learned.- Ecological Perspectives on Management of the Mount St. Helens Landscape.- Overview of Ecological Responses to the Eruption of Mount St. Helens: 1980-2005.