2012 LTER ASM - Patterns of inorganic inputs and movements of nutrients through soils, groundwater and surface waters

Riparian Nitrogen Dynamics in Tropical Forest Groundwaters: A Challenge to Our Understanding of Near-Stream Ecosystem Function

rbrereton — Mon, 10 Sep 2012 19:03:31 +0000

Poster Number:

402

Presenter/Primary Author:

Richard Brereton

Riparian zones are widely understood to control the flux of water, nutrients, and carbon from terrestrial to aquatic ecosystems.

Student Poster:

Yes

Examining the mechanistic basis of summer nitrate peaks: a coupled biogeochemical and hydrological approach

jduncan — Wed, 05 Sep 2012 15:11:47 +0000

Poster Number:

389

Presenter/Primary Author:

Jonathan Duncan

Co-Authors:

Lawrence E. Band

Co-Authors:

Peter M. Groffman

Co-Authors:

Emily S. Bernhardt

Contrary to behavior predicted by the nitrogen saturation hypothesis, Pond Branch (the Baltimore Ecosystem Study forested reference watershed) exhibits peak nitrogen export during the growing seaso

Student Poster:

Yes

The California Current Ecosystem (CCE) LTER site: Mechanisms underlying ecosystem transitions

mohman — Sat, 01 Sep 2012 23:47:52 +0000

Poster Number:

375

Presenter/Primary Author:

Mark Ohman

Co-Authors:

25 co-authors

The CCE-LTER site is a coastal upwelling biome forced by physical processes on a variety of time and space scales.

Alpine grasslands in LTER Slovakia – air pollution and climate in focus

lhalada — Sat, 01 Sep 2012 09:47:59 +0000

Poster Number:

366

Presenter/Primary Author:

Lubos Halada

Co-Authors:

Robert Kanka

Co-Authors:

Andrej Halabuk

Slovak alpine is well studied and documented, less are known impacts of global change and several projects are recently focused to this issue.

Greenhouse gas emissions from a constructed wetland system in Phoenix, AZ

jramos1 — Sat, 01 Sep 2012 09:39:33 +0000

Poster Number:

365

Presenter/Primary Author:

Jorge Ramos

Co-Authors:

Eric Chapman

Co-Authors:

Nicholas A. Weller

Wetlands support ecological functions that result in valuable services to society, including the purification of water through processes such as denitrification, plant uptake, and soil retention.

Student Poster:

Yes

Cover Crops Have the Greatest Influence on Belowground Ecosystem Processes Along a Gradient of Cropping System Diversity

bneill — Fri, 31 Aug 2012 18:09:04 +0000

Poster Number:

340

Presenter/Primary Author:

Brendan O'Neill

Co-Authors:

Stuart Grandy

Co-Authors:

Thomas Schmidt

Row crop agriculture dominates most of the landscape of the U.S. upper mid-west, and along with constant pressure to increase production are calls to reduce inputs harmful to air, soil and water.

Student Poster:

Yes

Regional Consequences of Changing Climate-Disturbance Interactions for the Resilience of Alaska's Boreal Forest

jdowning — Fri, 31 Aug 2012 17:12:03 +0000

Poster Number:

337

Presenter/Primary Author:

Roger Ruess

Rapid environmental change in interior Alaska over the past century has altered the interrelationships among physical, biological and social drivers of the regional system.

Effects of forest disturbances on stream nitrate concentrations in sites participating in StreamChemDB

aargerich — Thu, 30 Aug 2012 20:39:46 +0000

Poster Number:

327

Presenter/Primary Author:

Alba Argerich

Co-Authors:

Johnson, Sherri L.

Co-Authors:

Sebestyen, Stephen D.

Co-Authors:

Rhoades, Charles C.

Co-Authors:

Greathouse, Effie

Co-Authors:

Wohlgemuth, Peter M.

Co-Authors:

Scatena, Fred N.

Co-Authors:

McDowell, William H.

Co-Authors:

Likens, Gene E.

Co-Authors:

Knoepp, Jennifer D.

Co-Authors:

Jones, Jeremy B.

Co-Authors:

Ice, George G.

Co-Authors:

Campbell, John L.

Co-Authors:

Amatya, Devendra M.

Co-Authors:

Adams, Mary Beth

Land use practices and natural disturbances in forested headwater catchments affect stream water chemistry with the potential to influence downst

The relationships between SOM quality and decomposition across a gradient of increasing shrub abundance in the Alaskan Arctic

jdemarco — Thu, 30 Aug 2012 19:25:01 +0000

Poster Number:

325

Presenter/Primary Author:

Jennie DeMarco

Co-Authors:

Michelle C. Mack

Warming arctic temperatures are shifting dominant vegetation from graminoids to deciduous shrubs whose functional traits can alter the quality of soil organic matter (SOM) via litter inputs and roo

The Konza Prairie LTER Program: Grassland Dynamics and Long-Term Trajectories of Change

jblair — Wed, 29 Aug 2012 15:35:36 +0000

Poster Number:

308

Presenter/Primary Author:

John Blair

Co-Authors:

Sara Baer, John Briggs, Walter Dodds, Keith Gido, John Harrington, David Hartnett, Anthony Joern, Don Kaufman, Alan Knapp, Jesse Nippert, Brett Sandercock, Melinda Smith

The Konza Prairie LTER program (KNZ) is a comprehensive ecological research, education and outreach program, centered on one of the most productive grasslands in North America – the tallgrass prair