2012 LTER ASM - KNZ

Patch-burn grazing and demographic performance of grassland songbirds

bsandercock — Sat, 01 Sep 2012 02:20:14 +0000

Poster Number:

360

Presenter/Primary Author:

Brett Sandercock

Co-Authors:

Christopher Then

Co-Authors:

Jennifer Sojka

Co-Authors:

William E. Jensen

Population declines in grassland birds are an emerging conservation crisis in North America. Changes in rangeland management associated with intensification of agricultural production are tho

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.

Microbial functional response to altered precipitation timing and duration – implications for the soil carbon cycle

lzeglin — Fri, 31 Aug 2012 02:38:04 +0000

Poster Number:

331

Presenter/Primary Author:

Lydia Zeglin

Co-Authors:

Peter Bottomley

Co-Authors:

Ari Jumpponen

Co-Authors:

Chuck Rice

Co-Authors:

Miguel Arango

Co-Authors:

Adam Lindsley

Co-Authors:

Andrew McGowan

Co-Authors:

David Myrold

A significant amount of carbon (C) is processed and stored in prairie soils: grasslands cover 6.1-7.4% of the earth’s land surface and hold 7.3-11.4% of global soil C.

The effects of extreme heat and drought on a tallgrass prairie ecosystem

dhoover — Wed, 29 Aug 2012 16:19:03 +0000

Poster Number:

310

Presenter/Primary Author:

David Hoover

Co-Authors:

Alan K Knapp

Co-Authors:

Melinda D Smith

Climate extremes, such as heat waves and drought, are expected to increase in their frequency and intensity over the next century. We examined the responses of the tallgrass prairie ecosystem

Student Poster:

Yes

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

Local-scale plant species richness and the regional species pool

kwilcox — Tue, 28 Aug 2012 16:49:09 +0000

Poster Number:

293

Presenter/Primary Author:

Kevin Wilcox

Co-Authors:

Melinda D. Smith

Co-Authors:

Sally E. Koerner

Co-Authors:

Alan K. Knapp

Plant community structure has been shown to impact ecosystem function. However, these effects vary among ecosystems, data collection techniques, and across spatial and temporal scales.

Student Poster:

Yes

Widespread abrupt shifts of grasslands to a wooded state: woody encroachment in a stable-state and socio-economic framework

zratajczak — Fri, 17 Aug 2012 16:39:11 +0000

Poster Number:

236

Presenter/Primary Author:

Zak Ratajczak

Co-Authors:

Jennie DeMarco

Co-Authors:

Jesse B Nippert

Co-Authors:

Scott Collins

Co-Authors:

Paolo D'Odorico

Co-Authors:

Heather Throop

Co-Authors:

Nicole Barger

Co-Authors:

Laura Ladwig

Co-Authors:

Sheri Shiflett

Co-Authors:

Spencer Bissett

Co-Authors:

Rebecca McCulley

Woody encroachment of global grasslands and savannas affects biodiversity and a variety of vital ecosystem services.

Student Poster:

Yes

Changes in ecohydrology following the conversion of mesic grassland to shrubland

jnippert — Thu, 16 Aug 2012 19:06:06 +0000

Poster Number:

228

Presenter/Primary Author:

Jesse Nippert

Co-Authors:

Troy Ocheltree

Co-Authors:

Zak Ratajczak

Co-Authors:

Gracie Orozco

Co-Authors:

Nathaniel Brunsell

Shrub encroachment of grasslands is a transformative ecological process by which native woody species increase in cover and frequency and replace the herbaceous community. The mechanisms driv

Effects of Long-term Nitrogen Fertilization and Annual Burning on Soil Carbon and Nitrogen Dynamics in a Tallgrass Prairie

mcarson — Wed, 08 Aug 2012 23:13:49 +0000

Poster Number:

191

Presenter/Primary Author:

Michael Carson

Co-Authors:

John M. Blair

Anthropogenic activities have altered virtually all ecosystems in numerous ways, often affecting carbon (C) and nitrogen (N) dynamics on local, regional and global scales.

Student Poster:

Yes

Tallgrass prairie recovery following persistent grazing depends on response measured

bvanderweide — Fri, 03 Aug 2012 18:03:29 +0000

Poster Number:

168

Presenter/Primary Author:

Ben VanderWeide

Co-Authors:

David C. Hartnett

The dynamics of tallgrass prairie plant communities have historically been driven by the interacting effects of grazing by large ungulate herbivores, frequent fire, and a variable mid-continental c

Student Poster:

Yes