Session: Biogeochemistry: Biogeo Patterns Along Environmental Gradients I (2018 ESA Annual Meeting (August 5 -- 10))

1:30 PM

COS 38-1

To what degree does variation in soil nutrients shape tropical dry forest structure, function, and recovery?
Annette Trierweiler, University of Notre Dame; Jennifer S. Powers, University of Minnesota; Juan Manuel Dupuy, Centro de Investigación Científica de Yucatán; David M. Medvigy, University of Notre Dame

1:50 PM

COS 38-2

Linking mycorrhizal associations with microbial growth and soil organic matter properties across temperate forests
Matthew E. Craig, Indiana University; Kevin M. Geyer, University of New Hampshire; Edward R. Brzostek, West Virginia University; Richard Phillips, Indiana University

2:10 PM

COS 38-3

Assessing legume nitrogen fixation in cover crop mixtures across a soil fertility gradient
Jennifer Blesh, University of Michigan

2:30 PM

COS 38-4

Redox regulates soil phosphorus status across a rainfall gradient in wet tropical forests
Yang Lin, University of California; Avner Gross, University of California, Berkeley; Whendee Silver, University of California, Berkeley

2:50 PM

COS 38-5

Nitrogen fixation rates and strategies in rhizobial and actinorhizal trees along an N gradient
Amelia Wolf, Columbia University, UC-Davis; Duncan Menge, Columbia University; Jennifer Funk, Chapman University; Steven Perakis, U.S. Geological Survey

3:10 PM

COS 38-

Break

3:20 PM

COS 38-6

Soil microbial abundance and activity is reduced by natural and experimentally simulated nitrogen deposition: Evidence from five long-term experiments
Jessica A.M. Moore, University of New Hampshire; Kevin M. Geyer, University of New Hampshire; Leana Axtell, University of Washington; Serita Frey, University of New Hampshire

3:40 PM

COS 38-7

Nitrogen fixer abundance does not predict ecosystem fixation or forest carbon recovery during tropical rainforest secondary succession
Sarah A. Batterman, University of Leeds; Jefferson Hall, Smithsonian Tropical Research Institute; Michiel van Breugel, Yale-NUS College

4:00 PM

COS 38-8

Incorporating the carbon cost of phosphorus acquisition into an optimal plant nutrient uptake model improves predictions of belowground carbon allocation
Kara E. Allen, Manaaki Whenua--Landcare Research; Edward R. Brzostek, West Virginia University; Joshua B. Fisher, California Institute of Technology; Richard Phillips, Indiana University

4:20 PM

COS 38-9

Precipitation controls above-belowground partitioning of net primary production across biomes
Laureano Gherardi, Global Drylands Center, Arizona State University; Osvaldo E. Sala, Arizona State University

4:40 PM

COS 38-10

Resilience of saltmarsh carbon sequestration to ecosystem transitions
Jordi F. Pagès, Bangor University; Miguel Ángel Mateo, Spanish National Research Council (CSIC); Emma McKinley, Cardiff University; Martin W. Skov, Bangor University

COS 38 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients I