2012 LTER ASM - Primary Production

Spatial and inter-annual variability of net community productivity in the western Antarctica Peninsula region

khuang — Sat, 08 Sep 2012 00:16:18 +0000

Poster Number:

399

Presenter/Primary Author:

Kuan Huang

Co-Authors:

Hugh Ducklow

Co-Authors:

Oscar Schofield

Co-Authors:

Michael Bender

Student Poster:

Yes

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

Evidence for species-specific nutrient limitation of growth efficiency in northern hardwoods

sgoswami — Fri, 31 Aug 2012 16:11:30 +0000

Poster Number:

335

Presenter/Primary Author:

Shinjini Goswami

Co-Authors:

Craig See

Co-Authors:

Melany Fisk

Co-Authors:

Matt Vadeboncoeur

Co-Authors:

Ruth Yanai

Nutrient co-limitation of NPP has been shown in some temperate forests by the additive or synergistic productivity response to nitrogen and phosphorus.

Student Poster:

Yes

Changes in crop productivity as a result of shallow groundwater, Yahara Watershed, Wisconsin

szipper — Thu, 30 Aug 2012 23:14:31 +0000

Poster Number:

330

Presenter/Primary Author:

Samuel Zipper

Co-Authors:

Eric G. Booth

Co-Authors:

Steven P. Loheide II

A primary limitation on agricultural yields in many parts of the world, including the US Corn Belt, is the quantity and temporal distribution of water resources.

Student Poster:

Yes

Climate drivers of Spartina marsh production on the Georgia coast

kwieski — Thu, 30 Aug 2012 19:05:34 +0000

Poster Number:

324

Presenter/Primary Author:

Kazimierz Wieski

Co-Authors:

Steven Pennings

Global climate changes are altering functioning of the earth’s ecosystems. Tidal saltmarshes are threatened by sea level rise and changes in weather patterns.

Modeling The Production of Salt Marsh Grasses

aburd — Thu, 30 Aug 2012 17:50:27 +0000

Poster Number:

323

Presenter/Primary Author:

Adrian Burd

Co-Authors:

Yeajin Jung

Salt marsh grass species change as one moves from high marsh areas to low marsh areas. This is a result of many factors including light, salinity and nutrient availability.

Microbial mat nutrient storage in the McMurdo Dry Valleys, Antarctica

tkohler — Thu, 30 Aug 2012 15:30:05 +0000

Poster Number:

321

Presenter/Primary Author:

Tyler Kohler

Co-Authors:

Diane McKnight

Microbial mats from Antarctic Dry Valley streams are important nutrient and carbon subsidies to Dry Valley lakes and soils, either transported by wind or flow.

Student Poster:

Yes

Fungal and bacterial pathways along a gradient of climate and productivity

scolby — Thu, 30 Aug 2012 04:34:14 +0000

Poster Number:

319

Presenter/Primary Author:

Samantha Colby

Co-Authors:

Andrew Moldenke

A primary distinction among soil food webs is based on fungal versus bacterial pathways of decomposition; these are expected to differ between meadows and forests.

Student Poster:

Yes

Effect of Sargassum pacificum on the calcification of juvenile Porites rus in elevated CO2 conditions

hhillard — Wed, 29 Aug 2012 16:10:31 +0000

Poster Number:

309

Presenter/Primary Author:

Heather Hillard

Co-Authors:

Robert C. Carpenter

Ocean acidification (OA), the decrease in the pH and carbonate ion concentration due to the uptake of anthropogenic CO₂, poses a severe threat to coral reefs worldwide as studies predict

Student Poster:

Yes