Incluye referencias bibliográficas e índice. CONTENIDO: Webmaster Functions in Ecosystems. Food Web Functioning and Ecosystem Processes: Problems and Perceptions of Scaling / J. M. Anderson -- Keystone Arthropods as Webmasters in Desert Ecosystems / W. G. Whitford -- Responses of Grassland Soil Invertebrates to Natural and Anthropogenic Disturbances / J. M. Blair, T. C. Todd, M. A. Callaham, Jr. -- Effects of Invertebrates in Lotic Ecosystem Processes / J. B. Wallace, J. J. Hutchens, Jr. -- Webmasters in Feedback Interactions and Food Webs. Insects as Regulators of Ecosystem Development / T. D. Schowalter -- Herbivores, Biochemical Messengers and Plants: Aspects of Intertrophic Transduction / M. I. Dyer -- Soil Invertebrate Controls and Microbial Interactions in Nutrient and Organic Matter Dynamics in Natural and Agroecosystems / C. A. Edwards -- Invertebrates in Detrital Food Webs along Gradients of Productivity / J. C. Moore, P. C. de Ruiter -- Webmasters and Ecosystem Diversity. Biodiversity of Oribatid Mites (Acari: Oribatida) in Tree Canopies and Litter / V. Behan-Pelletier, D. E. Walter -- Diversity in the Decomposing Landscape / R. A. Hansen -- The Pervasive Ecological Effects of Invasive Species: Exotic and Native Fire Ants / C. R. Carroll, C. A. Hoffman -- Soil Invertebrate Species Diversity in Natural and Disturbed Environments / J. Rusek -- Webmasters in Regional and Global Contexts. Invertebrates and Nutrient Cycling in Coniferous Forest Ecosystems: Spatial Heterogeneity and Conditionality / T. M. Bolger, L. J. Heneghan, P. Neville -- Impacts of Insects on Human-dominated and Natural Forest Landscapes / R. N. Coulson, D. E. Wunneburger -- Soil Fauna and Controls of Carbon Dynamics: Comparisons of Rangelands and Forests across Latitudinal Gradients / T. R. Seastedt -- Soil Processes and Global Change: Will Invertebrates Make a Difference? / P. M. Groffman and C. G. Jones.
