April 18, 2013 Luke Lortie, EIT 651.266.7123 Jerry Auge, PE 651.266.7117.
Lortie esa 2012
description
Transcript of Lortie esa 2012
Community ecology is dead.!
bigger is better.!4000 plant competition!
2000 on density!1800 on size!
900 plant facilitation!
300 using shrubs!500 using stress gradients!
studies!
Reid et al. 2010 Web ecology!
Lortie et al. 2012!JPE!
Reid & Lortie 2012!Ecospheres!
Molenda et al. 2012!PlosOne!
Molenda et al. 2012!PlosOne!
Think locally, act locally.!
survey!removal!addition!reduce stress/warming expand gradient!
Long live replicated-regional community.!
Crowdsource the work.!
abundance!
richness!
J. Ecology axiom 2007!
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GLMS!region!microsite!interactions!
species pool!****!
Alternatives!SEMs!resampling for neutrality!climate, altitude, downscaled dataset pairing multivariate analyses!variance partitioning & contrasts!
hyper-local!
meta-analyses on effect sizes!
regional/cont.!
local!
abundance!
richness!
Q, Qw, Qtot = n.s.!
E++ = 0.18!
*!
*!
E++ = 0.2!
hyper-local!
regional/cont.!
local!
abundance!
richness!
heterogeneity significant!
E++ = 0.38!
*!
*!
E++ = 0.28!
hyper-local!
regional/cont.!
local!
abundance!
richness!
cumulative meta-analyses unstable!
E++ = 0.47!
E++ = 0.32!
hyper-local!
regional/cont.!
local!
rarefactions!
significance!
Species pools are important,but local interactions significantly shape regional patterns of!abundance & diversity.!
Local interactions = lynchpin for sensitivity to global change.!
www.ecoblender.org www.christopherlortie.info!