2012 LTER ASM - Ecosystem Ecology

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

Microstegium vimineum is associated with changes in nitrogen availability and fluxes across a broad landscape

tursell — Fri, 07 Sep 2012 03:12:31 +0000

Poster Number:

397

Presenter/Primary Author:

Tara Ursell

Co-Authors:

Robert J. Warren II, Ashley D. Keiser, Jeffrey Norman, John Barrett, Mark A. Bradford

Student Poster:

Yes

Hemlock Woolly Adelgid induced mortality of eastern hemlock influences timing and magnitude of streamflow from headwater catchments in the southern Appalachians

sbrantley — Tue, 04 Sep 2012 11:45:45 +0000

Poster Number:

383

Presenter/Primary Author:

Steven Brantley

Co-Authors:

Chelcy R. Ford

Co-Authors:

Katherine J. Elliott

Co-Authors:

Stephanie H. Laseter

Eastern hemlock (Tsuga canadensis (L.) Carr.), an important evergreen canopy species in the southern Appalachian Mountains, is currently experiencing widespread mortality from hemlock wool

Detecting the sensitivity of desert herbaceous plant responses to co-occurring atmospheric compounds

ecook — Sun, 02 Sep 2012 04:41:56 +0000

Poster Number:

379

Presenter/Primary Author:

Elizabeth Cook

Co-Authors:

Sharon J Hall

Cities occupy a small land area globally, yet atmospheric compounds generated from human-dominated ecosystems have significant impacts on protected lands within and beyond urban boundaries. D

Student Poster:

Yes

Effects of increased snow on growth response and allocation patterns of arctic plants

caddis — Sat, 01 Sep 2012 14:56:23 +0000

Poster Number:

368

Presenter/Primary Author:

Claire Addis

Co-Authors:

M. Syndonia Bret-Harte

Warming in the Arctic has led to an increase in shrub cover on the tundra and has been well documented in arctic Alaska.

Student Poster:

Yes

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

Dynamics of social-ecological systems in the Colorado Front Range: Fire regimes, thresholds, and stable states

pbourgeron — Fri, 31 Aug 2012 23:29:12 +0000

Poster Number:

356

Presenter/Primary Author:

Patrick Bourgeron

Co-Authors:

humphries

Co-Authors:

williams

Co-Authors:

seastedt

Forecasting change in mountain social-ecological systems presents significant challenges, as they are likely to display non-linear responses, i.e., they are more easily pushed or “tipped” across cr

Remote sensing of canopy nitrogen as a window to the functioning of ecosystems

sollinger — Fri, 31 Aug 2012 21:02:36 +0000

Poster Number:

343

Presenter/Primary Author:

Scott Ollinger

Co-Authors:

L. Lepine

Co-Authors:

H. Wicklein

Co-Authors:

F. Sullivan

Co-Authors:

M. Martin

Co-Authors:

M.Day

How plants interact with sunlight is central to the existence of life and provides a window to the functioning of ecosystems. Although the basic properties of leaf spectra have been known for

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.

Assessing Ecosystem Sensitivity to Chronic Resource Alterations: A Synthesis of Long-term Experiments

msmith — Fri, 31 Aug 2012 15:03:37 +0000

Poster Number:

334

Presenter/Primary Author:

Melinda Smith

Co-Authors:

Kimberly LaPierre

Co-Authors:

Alan Knapp

Co-Authors:

John Barrett

Co-Authors:

Scott Collins

Co-Authors:

Serita Frey

Co-Authors:

Laura Gough

Co-Authors:

Katherine Gross

Co-Authors:

Robert Miller

Co-Authors:

James Morris

Co-Authors:

Lindsay Rustad

Co-Authors:

John Yarie

The scale, scope and pace of change occurring in ecological systems today and forecast for the future are by all accounts unprecedented in human history.