2012 LTER ASM - Population Studies

Experimental Macroecology: Effects of Temperature on Biodiversity

rwaide — Tue, 04 Sep 2012 22:52:24 +0000

Poster Number:

387

Presenter/Primary Author:

Robert Waide

Co-Authors:

S. T. Hammond

Co-Authors:

J. W. Voordeckers

Co-Authors:

J. H. Brown

Co-Authors:

B. J. Enquist

Co-Authors:

Z. He

Co-Authors:

M. Kaspari

Co-Authors:

J. Zhou

The acknowledgement of biodiversity gradients, such as the latitudinal gradient, pre-date modern ecology, however the cause(s) of this pervasive pattern remain elusive and controversial.

Variation in copepod egg production rate across spatial gradients in the California Current Ecosystem

cnickels — Sat, 01 Sep 2012 20:24:27 +0000

Poster Number:

371

Presenter/Primary Author:

Catherine Nickels

Co-Authors:

Mark D. Ohman

Areas of the ocean where two water parcels meet, know as fronts, define regions of sharp spatial gradients.

Student Poster:

Yes

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

The effects of surrounding habitat on plant, pollinator, and plant-pollinator interaction richness and abundance

vpfeiffer — Fri, 31 Aug 2012 21:55:33 +0000

Poster Number:

352

Presenter/Primary Author:

Vera Pfeiffer

Co-Authors:

Julia Jones

Co-Authors:

Matt Betts

Co-Authors:

Andy Moldenke

Montane meadows comprise less than 5% of the landscape of the western Cascades of Oregon, but they provide habitat for diverse species of plants and pollinators.

Student Poster:

Yes

Waterbirds in the Plum Island Sound Estuary, Massachusetts: Historical trends and current patterns

rbuchsbaum1 — Fri, 31 Aug 2012 21:46:47 +0000

Poster Number:

350

Presenter/Primary Author:

Robert Buchsbaum

Because they are highly mobile and migratory, the presence and activity of birds in a region is a reflection of both local and global trends.

Population dynamics of reintroduced Gunnison’s prairie dogs in a semi-arid grassland environment

mfriggens — Fri, 31 Aug 2012 20:56:41 +0000

Poster Number:

342

Presenter/Primary Author:

Mike Friggens

Co-Authors:

Ana Davidson

Co-Authors:

Charles Hayes

Co-Authors:

Jon Erz

Prairie dog (Cynomys spp. ) populations have declined by 98% across their range.

Management Intensity and Litter Chemistry Interact to Determine Microarthropod Succession Patterns during Decomposition

kwickings — Fri, 31 Aug 2012 17:25:51 +0000

Poster Number:

338

Presenter/Primary Author:

Kyle Wickings

Co-Authors:

Stuart Grandy

Microarthropods play an important role in plant litter decomposition, and variation in the structure of their communities may lead to considerable variation in decomposition dynamics. As a re

Response of rangeland grasshopper communities to cattle and prairie dog grazing

shauser — Fri, 31 Aug 2012 13:11:05 +0000

Poster Number:

333

Presenter/Primary Author:

Sean Hauser

Co-Authors:

Paul Stapp

Novel rangeland management strategies seek to benefit ecosystem services and biodiversity in semiarid grasslands by manipulating the distributions and densities of herbivorous ecosystem engineers,

Student Poster:

Yes

Adélie Penguin Colony Size and Local Population Extinction: A Predation-Induced Tipping Point

wfraser — Thu, 30 Aug 2012 20:45:54 +0000

Poster Number:

328

Presenter/Primary Author:

William Fraser

Co-Authors:

Donna Patterson-Fraser

Adélie penguin research in the Palmer LTER (PALTER) region has historically focused on five island rookeries that at the inception of investigations in 1974 held 15,202 breeding pairs. During

Microclimate driven by complex terrain predicts within-season movement by a migrant songbird

sfrey1 — Wed, 29 Aug 2012 23:13:04 +0000

Poster Number:

315

Presenter/Primary Author:

Sarah Frey Hadley

Co-Authors:

Betts, Matthew

Current predictions about species sensitivity to climate change are primarily based on ‘bioclimatic envelope models.’ These models assume that species either shift their geographic ranges to match

Student Poster:

Yes