1. Biogeochemical Hot Spots and Hot Moments at the Interface of Terrestrial and Aquatic Ecosystems

   • Michael E. McClain
   • Elizabeth W. Boyer
   • Gilles Pinay

   Pages: 301 - 312

2. The Impact of Nutrient State and Lake Depth on Top-down Control in the Pelagic Zone of Lakes: A Study of 466 Lakes from the Temperate Zone to the Arctic

   • Erik Jeppesen
   • Jens Peder Jensen
   • Kirsten Christoffersen

   Pages: 313 - 325

3. Soil Respiration along Environmental Gradients in Olympic National Park

   • Evan S. Kane
   • Kurt S. Pregitzer
   • Andrew J. Burton

   Pages: 326 - 335

4. Potential Denitrification Activity in the Landscape of a Western Alaska Drainage Basin

   • G. Pinay
   • T. O’Keefe
   • Robert J. Naiman

   Pages: 336 - 343

5. Variation in NO₃ Export from Flowing Waters of Vastly Different Sizes: Does One Model Fit All?

   • N. F. Caraco
   • J. J. Cole
   • K. C. Weathers

   Pages: 344 - 352

6. Spatial and Temporal Variability in Growing-Season Net Ecosystem Carbon Dioxide Exchange at a Large Peatland in Ontario, Canada

   • Jill L. Bubier
   • Gaytri Bhatia
   • Peter M. Lafleur

   Pages: 353 - 367

7. Changes in Vegetation Structure after Long-term Grazing in Pinyon-Juniper Ecosystems: Integrating Imaging Spectroscopy and Field Studies

   • A. Thomas Harris
   • Gregory P. Asner
   • Mark E. Miller

   Pages: 368 - 383

8. Spatial Patterns of Biomass and Aboveground Net Primary Productivity in a Mangrove Ecosystem in the Dominican Republic

   • Ruth E. Sherman
   • Timothy J. Fahey
   • Pedro Martinez

   Pages: 384 - 398

9. Biotic Control of Calcium Cycling in Northern Hardwood Forests: Acid Rain and Aging Forests

   • Steven P. Hamburg
   • Ruth D. Yanai
   • Thomas G. Siccama

   Pages: 399 - 406