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size="100%">611-617</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2010-85715</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Allen, Michael F.</style></author><author><style face="normal" font="default" size="100%">Allen, Edith B.</style></author><author><style face="normal" font="default" size="100%">Lansing, Jennifer L.</style></author><author><style face="normal" font="default" size="100%">Pregitzer, Kurt S.</style></author><author><style face="normal" font="default" size="100%">Hendrick, Ron L.</style></author><author><style face="normal" font="default" size="100%">Ruess, Roger W.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Responses to chronic N fertilization of ectomycorrhizal pinon but not arbuscular mycorrhizal juniper in a pinon-juniper woodland</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year></dates><volume><style face="normal" font="default" size="100%">74</style></volume><pages><style face="normal" font="default" size="100%">1170-1176</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2010-86892</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Biodiversity Under Global Change</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><volume><style face="normal" font="default" size="100%">326</style></volume><pages><style face="normal" font="default" size="100%">1353-1354</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2009-85823</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Peters, D.C.</style></author><author><style face="normal" font="default" size="100%">Gosz, J.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Boundary dynamics in landscapes</style></title><secondary-title><style face="normal" font="default" size="100%">The Princeton Guide to Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">JRN</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><publisher><style face="normal" font="default" size="100%">Princeton University Press</style></publisher><pub-location><style face="normal" font="default" size="100%">Princeton, NJ</style></pub-location><pages><style face="normal" font="default" size="100%">458-463</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Landscapes consist of a mosaic of distinct vegetation types and their intervening boundaries with distinct characteristics. Boundaries can exist along abrupt environmental gradients or along gradual changes that are reinforced by feedback mechanisms between plants and soil properties. Boundaries can be defined based on the abundance, spatial distribution, and connectivity of the underlying patches.  There are three major types of boundary dynamics that differ in the direction and rate of movement of the boundary in response to climatic fluctuations: stationary, directional, shifting. Future conditions in climate and the disturbance regime, including land use, may fundamentally alter the type of boundary as well as its location and composition through time.</style></abstract><accession-num><style face="normal" font="default" size="100%">LTER.2009-90160</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Peters, Debra P.C.</style></author><author><style face="normal" font="default" size="100%">Gosz, James R.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Wilcove, David S.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Boundary dynamics in landscapes</style></title><secondary-title><style face="normal" font="default" size="100%">The Princeton Guide to Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><publisher><style face="normal" font="default" size="100%">Princeton University Press</style></publisher><pub-location><style face="normal" font="default" size="100%">Princeton, NJ</style></pub-location><pages><style face="normal" font="default" size="100%">458-463</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2009-85812</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Smith, M.D.</style></author><author><style face="normal" font="default" size="100%">A.K. Knapp</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A framework for assessing ecosystem dynamics in response to chronic resource alterations induced by global change</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SGS</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2009-84484</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Porter, J. H.</style></author><author><style face="normal" font="default" size="100%">Nagy, Eric</style></author><author><style face="normal" font="default" size="100%">Kratz, Timothy K.</style></author><author><style face="normal" font="default" size="100%">Hanson, Paul</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Arzberger, Peter</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">New Eyes on the World: Advanced Sensors for Ecology</style></title><secondary-title><style face="normal" font="default" size="100%">BioScience</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">NTL</style></keyword><keyword><style  face="normal" font="default" size="100%">VCR</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.bioone.org/doi/abs/10.1525/bio.2009.59.5.6</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">59</style></volume><pages><style face="normal" font="default" size="100%">385-397</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Innovative uses of advanced sensors and sensor networks are starting to be translated into new ecological knowledge. They are providing a new set of &quot;eyes&quot; that let researchers observe the world in new ways, extend spatial and temporal scales of observation, more accurately estimate what cant be observed and, most importantly, obtain unexpected results, or develop new paradigms. Automated sensors are widely deployed by members of the Organization of Biological Field Stations, but there remain needs, particularly for chemical and biological sensors, that are not currently being met. There are additional opportunities for developing sensor networks at synoptic, regional, continental and global scales. 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P. C.</style></author><author><style face="normal" font="default" size="100%">Groffman, P.M.</style></author><author><style face="normal" font="default" size="100%">Nadelhoffer, K.</style></author><author><style face="normal" font="default" size="100%">Grimm, N.B.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Michener, W. K.</style></author><author><style face="normal" font="default" size="100%">Huston, M. A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Living in an increasingly connected world: a framework for continental-scale environmental science</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">BES</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">229-237</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">5</style></issue><accession-num><style face="normal" font="default" size="100%">LTER.2008-85555</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Sinsabaugh, Robert L.</style></author><author><style face="normal" font="default" size="100%">Crenshaw, Chelsea L.</style></author><author><style face="normal" font="default" size="100%">Green, Laura E.</style></author><author><style face="normal" font="default" size="100%">Porras-Alfaro, Andrea</style></author><author><style face="normal" font="default" size="100%">Stursova, Martina</style></author><author><style face="normal" font="default" size="100%">Zeglin, Lydia H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Pulse dynamics and microbial processes in aridland ecosystems</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">96</style></volume><pages><style face="normal" font="default" size="100%">413-420</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2008-85790</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Clark, Christopher M.</style></author><author><style face="normal" font="default" size="100%">Suding, Katherine N.</style></author><author><style face="normal" font="default" size="100%">Cleland, Elsa E</style></author><author><style face="normal" font="default" size="100%">Batty, M.</style></author><author><style face="normal" font="default" size="100%">Pennings, Steven C.</style></author><author><style face="normal" font="default" size="100%">Gross, Katherine L.</style></author><author><style face="normal" font="default" size="100%">Grace, James B.</style></author><author><style face="normal" font="default" size="100%">Gough, Laura</style></author><author><style face="normal" font="default" size="100%">Fargione, Joseph E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Rank clocks and plant community dynamics</style></title><secondary-title><style face="normal" font="default" size="100%">Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">GCE</style></keyword><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.esajournals.org/doi/abs/10.1890/07-1646.1</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">89</style></volume><pages><style face="normal" font="default" size="100%">3534-3541</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Summarizing complex temporal dynamics in communities is difficult to achieve in a way that yields an intuitive picture of change. Rank clocks and rank abundance statistics provide a graphical and analytical framework for displaying and quantifying community dynamics. We used rank clocks, in which the rank order abundance for each species is plotted over time in temporal clockwise direction, to display temporal changes in species abundances and richness. We used mean rank shift and proportional species persistence to quantify changes in community structure in long-term data sets from fertilized and control plots in a late successional old field, frequently and infrequently burned tallgrass prairie, and Chihuahuan desert grassland and shrubland communities. Rank clocks showed that relatively constant species richness masks considerable temporal dynamics in relative species abundances. In the old field, fertilized plots initially experienced high mean rank shifts that stabilized rapidly below that of unfertilized plots. Rank shifts were higher in infrequently burned vs. annually burned tallgrass prairie and in desert grassland compared to shrubland vegetation. Proportional persistence showed that arid grasslands were more dynamic than mesic grasslands. We conclude that rank clocks and rank abundance statistics provide important insights into community dynamics that are often hidden by traditional univariate approaches.</style></abstract><issue><style face="normal" font="default" size="100%">12</style></issue><accession-num><style face="normal" font="default" size="100%">LTER.2008-93338</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">A.K. Knapp</style></author><author><style face="normal" font="default" size="100%">Pendall, E.</style></author><author><style face="normal" font="default" size="100%">Cleary, M. B.</style></author><author><style face="normal" font="default" size="100%">Briggs, J.M.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Archer, S. R.</style></author><author><style face="normal" font="default" size="100%">Bret-Harte, M. S.</style></author><author><style face="normal" font="default" size="100%">Ewers, B. E.</style></author><author><style face="normal" font="default" size="100%">Peters, D.P.</style></author><author><style face="normal" font="default" size="100%">Young, D. R.</style></author><author><style face="normal" font="default" size="100%">Shaver, G. R.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Shrub encroachment in North American grasslands: shifts in growth form dominance rapidly alters control of ecosystem carbon inputs</style></title><secondary-title><style face="normal" font="default" size="100%">Global Change Biology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword><keyword><style  face="normal" font="default" size="100%">VCR</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">&lt;Go to ISI&gt;://000252929900014</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">14</style></volume><pages><style face="normal" font="default" size="100%">615-623</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Shrub encroachment into grass-dominated biomes is occurring globally due to a variety of anthropogenic activities, but the consequences for carbon (C) inputs, storage and cycling remain unclear. We studied eight North American graminoid-dominated ecosystems invaded by shrubs, from arctic tundra to Atlantic coastal dunes, to quantify patterns and controls of C inputs via aboveground net primary production (ANPP). Across a fourfold range in mean annual precipitation (MAP), a key regulator of ecosystem C input at the continental scale, shrub invasion decreased ANPP in xeric sites, but dramatically increased ANPP (&gt; 1000 g m(-2)) at high MAP, where shrub patches maintained extraordinarily high leaf area. Concurrently, the relationship between MAP and ANPP shifted from being nonlinear in grasslands to linear in shrublands. Thus, relatively abrupt (&lt; 50 years) shifts in growth form dominance, without changes in resource quantity, can fundamentally alter continental-scale pattern of C inputs and their control by MAP in ways that exceed the direct effects of climate change alone.</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue><accession-num><style face="normal" font="default" size="100%">LTER.2008-82485</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Baez, Selene</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Shrub invasion decreases diversity and alters community stability in Northern Chihuahuan Desert plant communities</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">3</style></volume><pages><style face="normal" font="default" size="100%">e2332 doi:10.1371/journal.pone.0002332</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2008-85793</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Cleland, Elsa E</style></author><author><style face="normal" font="default" size="100%">Burke, Indie C.</style></author><author><style face="normal" font="default" size="100%">Lauenroth, G. P.</style></author><author><style face="normal" font="default" size="100%">Robertson, J. C.</style></author><author><style face="normal" font="default" size="100%">Simpson, Juliet C.</style></author><author><style face="normal" font="default" size="100%">Tilman, David</style></author><author><style face="normal" font="default" size="100%">Suding, Katherine N.</style></author><author><style face="normal" font="default" size="100%">Clark, Christopher M.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Fargione, Joseph E.</style></author><author><style face="normal" font="default" size="100%">Gough, Laura</style></author><author><style face="normal" font="default" size="100%">Gross, Katherine L.</style></author><author><style face="normal" font="default" size="100%">Milchunas, Daniel G.</style></author><author><style face="normal" font="default" size="100%">Pennings, Steven C.</style></author><author><style face="normal" font="default" size="100%">Bowman, W. D.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Species responses to nitrogen fertilization in herbaceous plant communities, and associated species traits</style></title><secondary-title><style face="normal" font="default" size="100%">Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ARC</style></keyword><keyword><style  face="normal" font="default" size="100%">GCE</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><volume><style face="normal" font="default" size="100%">89</style></volume><pages><style face="normal" font="default" size="100%">1175</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">This synthetic dataset contains plant species relative abundance measures from 35 nitrogen (N) fertilization experiments conducted at 10 sites across North America. The dataset encompasses the fertilization responses of 691 species from 1,159 experimental plots. The methodology varied among experiments, in particular with regards to the type and amount of N added, plot size, species composition measure (biomass harvest, pin count or percent cover), additional experimental manipulations, and experimental duration. At each site, each species has been classified according to a number of easily identified categorical functional traits, including life history, life form, the number of cotyledons, height relative to the canopy, potential for clonal growth, and nativity to the United States.  Additional data are available for many sites, indicated by references to publications and websites.  Analyses of these data have shown that N enrichment significantly alters community composition in ways that are predictable on the basis of plant functional traits as well as environmental context.  This dataset could be used to answer a variety of questions about how plant community composition and structure respond to environmental changes.</style></abstract><accession-num><style face="normal" font="default" size="100%">LTER.2008-93337</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Briggs, John M.</style></author><author><style face="normal" font="default" size="100%">Knapp, Alan K.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Fath, Brian D.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Steppes and Prairies</style></title><secondary-title><style face="normal" font="default" size="100%">Encyclopedia of Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><publisher><style face="normal" font="default" size="100%">Oxford, Elsevier</style></publisher><volume><style face="normal" font="default" size="100%">4</style></volume><pages><style face="normal" font="default" size="100%">3373-3382</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2008-85795</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Baez, Selene</style></author><author><style face="normal" font="default" size="100%">Fargione, Joseph E.</style></author><author><style face="normal" font="default" size="100%">Moore, Douglas I.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Gosz, James R.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Atmospheric nitrogen deposition in the northern Chihuahuan desert: Temporal trends and potential consequences</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">68</style></volume><pages><style face="normal" font="default" size="100%">640-651</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2007-63358</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Clark, Christopher M.</style></author><author><style face="normal" font="default" size="100%">Cleland, Elsa E</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Fargione, Joseph E.</style></author><author><style face="normal" font="default" size="100%">Gough, Laura</style></author><author><style face="normal" font="default" size="100%">Gross, Katherine L.</style></author><author><style face="normal" font="default" size="100%">Pennings, Steven C.</style></author><author><style face="normal" font="default" size="100%">Suding, Katherine N.</style></author><author><style face="normal" font="default" size="100%">Grace, James B.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Environmental and plant community determinants of species loss following nitrogen enrichment</style></title><secondary-title><style face="normal" font="default" size="100%">Ecology Letters</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">CDR</style></keyword><keyword><style  face="normal" font="default" size="100%">GCE</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><volume><style face="normal" font="default" size="100%">10</style></volume><pages><style face="normal" font="default" size="100%">596-607</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Global energy use and food production have increased nitrogen inputs to ecosystems worldwide, impacting plant community diversity, composition, and function. Previous studies show considerable variation across terrestrial herbaceous ecosystems in the magnitude of species loss following nitrogen (N) enrichment. What controls this variation remains unknown. We present results from 23 N-addition experiments across North America, representing a range of climatic, soil and plant community properties, to determine conditions that lead to greater diversity decline. Species loss in these communities ranged from 0 to 65% of control richness. Using hierarchical structural equation modelling, we found greater species loss in communities with a lower soil cation exchange capacity, colder regional temperature, and larger production increase following N addition, independent of initial species richness, plant productivity, and the relative abundance of most plant functional groups. Our results indicate sensitivity to N addition is co-determined by environmental conditions and production responsiveness, which overwhelm the effects of initial community structure and composition.</style></abstract><accession-num><style face="normal" font="default" size="100%">LTER.2007-93366</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>32</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors><tertiary-authors><author><style face="normal" font="default" size="100%">Virginia, Ross</style></author></tertiary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Fluoride in Antarctic soils</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">MCM</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><publisher><style face="normal" font="default" size="100%">Dartmouth College</style></publisher><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2007-83859</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Pennington, Deana D.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Response of an aridland ecosystem to interannual climate variability and prolonged drought</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">22</style></volume><pages><style face="normal" font="default" size="100%">897-910</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2007-85752</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Heatherly, T.</style></author><author><style face="normal" font="default" size="100%">Whiles, M.R.</style></author><author><style face="normal" font="default" size="100%">Gibson, D.J.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Huryn, A.D.</style></author><author><style face="normal" font="default" size="100%">Jackson, J.K.</style></author><author><style face="normal" font="default" size="100%">Palmer, M.A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Stream insect occupancy-frequency patterns and metapopulation structure</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ARC</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year></dates><volume><style face="normal" font="default" size="100%">151</style></volume><pages><style face="normal" font="default" size="100%">313-321</style></pages><isbn><style face="normal" font="default" size="100%">0029-8549</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">2</style></issue><accession-num><style face="normal" font="default" size="100%">LTER.2007-71253</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Baez, Selene</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Lightfoot, David C.</style></author><author><style face="normal" font="default" size="100%">Koontz, Terri L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Bottom-up regulation of plant community structure in an aridland ecosystem</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2006</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">87</style></volume><pages><style face="normal" font="default" size="100%">2746-2754</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2006-63355</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Peters, Debra P.C.</style></author><author><style face="normal" font="default" size="100%">Gosz, James R.</style></author><author><style face="normal" font="default" size="100%">Pockman,  William T.</style></author><author><style face="normal" font="default" size="100%">Small, Eric E.</style></author><author><style face="normal" font="default" size="100%">Parmenter, Robert R.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Muldavin, Esteban H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Integrating patch and boundary dynamics to understand and predict biotic transitions at multiple scales</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">SEV</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2006</style></year></dates><publisher><style face="normal" font="default" size="100%">na</style></publisher><volume><style face="normal" font="default" size="100%">21</style></volume><pages><style face="normal" font="default" size="100%">19-33</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2006-63338</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Burleigh, Scott C.</style></author><author><style face="normal" font="default" size="100%">Woodrow, Richard R.</style></author><author><style face="normal" font="default" size="100%">McAuley, J. Michael</style></author><author><style face="normal" font="default" size="100%">Bettencourt, Luis M.A.</style></author><author><style face="normal" font="default" size="100%">Hagberg, Aric A.</style></author><author><style face="normal" font="default" size="100%">Brown, Renee F.</style></author><author><style face="normal" font="default" size="100%">Moore, Douglas I.</style></author><author><style face="normal" font="default" size="100%">Bonito, Greg</style></author><author><style face="normal" font="default" size="100%">Delin, Kevin A.</style></author><author><style face="normal" font="default" size="100%">Jackson, Shannon P.</style></author><author><style face="normal" font="default" size="100%">Johnson, David W.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">New opportunities in ecological sensing using wireless sensor networks</style></title></titles><keywords><keyword><style  face="normal" font="default" 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font="default" size="100%">Functional- and abundance-based mechanisms explain diversity loss due to N fertilization</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the National Academy of Sciences</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">CDR</style></keyword><keyword><style  face="normal" font="default" size="100%">KBS</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year></dates><volume><style face="normal" font="default" size="100%">102</style></volume><pages><style face="normal" font="default" size="100%">4387-4392</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Abstract 1918</style></abstract><accession-num><style face="normal" font="default" 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1329</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2001-76263</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Long-term research and the dynamics of bird populations and communities: an overview</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2001</style></year></dates><publisher><style face="normal" font="default" size="100%">Auk</style></publisher><volume><style face="normal" font="default" size="100%">118</style></volume><pages><style face="normal" font="default" size="100%">583 - 588</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2001-76233</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fay, PA</style></author><author><style face="normal" font="default" size="100%">Carlisle, J. D.</style></author><author><style face="normal" font="default" size="100%">A.K. Knapp</style></author><author><style face="normal" font="default" size="100%">Blair, J.M.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Altering rainfall timing and quantity in a mesic grassland ecosystem: Design and performance of rainfall manipulation shelters</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><publisher><style face="normal" font="default" size="100%">Ecosystems</style></publisher><volume><style face="normal" font="default" size="100%">3</style></volume><pages><style face="normal" font="default" size="100%">308 - 319</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2000-76326</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Disturbance frequency and community stability in native tallgrass prairie</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><publisher><style face="normal" font="default" size="100%">The American Naturalist</style></publisher><volume><style face="normal" font="default" size="100%">155</style></volume><pages><style face="normal" font="default" size="100%">311 - 325</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2000-76200</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Blair, J.M.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">A.K. Knapp</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ecosystems as functional units in nature</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><publisher><style face="normal" font="default" size="100%">Natural Resources and Environment</style></publisher><volume><style face="normal" font="default" size="100%">14</style></volume><pages><style face="normal" font="default" size="100%">150 - 155</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2000-76193</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gough, L.</style></author><author><style face="normal" font="default" size="100%">Osenberg, C. W.</style></author><author><style face="normal" font="default" size="100%">Gross, K.L.</style></author><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Fertilization effects on species density and primary productivity in herbaceous plant communities</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KBS</style></keyword><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><publisher><style face="normal" font="default" size="100%">Oikos</style></publisher><volume><style face="normal" font="default" size="100%">89</style></volume><pages><style face="normal" font="default" size="100%">428-439</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2000-11122</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author><author><style face="normal" font="default" size="100%">Micheli, Fiorenza</style></author><author><style face="normal" font="default" size="100%">Hartt, Laura</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A method to determine rates and patterns of variability in ecological communities</style></title><secondary-title><style face="normal" font="default" size="100%">OIKOS</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">KNZ</style></keyword><keyword><style  face="normal" font="default" size="100%">NTL</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2000</style></year></dates><volume><style face="normal" font="default" size="100%">91</style></volume><pages><style face="normal" font="default" size="100%">285-293</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">LTER.2000-69505</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hayden, Bruce P.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Collins, Scott L.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Climate Change Scenarios for the Tallgrass Prairie</style></title><secondary-title><style face="normal" font="default" size="100%">Grassland Dynamics: Long-term Ecological Research in Tallgrass Prairie</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">VCR</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><publisher><style face="normal" font="default" size="100%">Oxford University Press</style></publisher><pub-location><style face="normal" font="default" size="100%">New York</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The climate of the North American grasslands varies at continental, regional and local spatial scales and at millenial, century and contemporary temporal scales. Contemporary climate and climate change are delineated using the synoptic climatology of continental airmasses (1950-1962), cyclones (1885-1993), and anticyclones (1899-1990), regional patterns cold and warm fronts (1940-1970), and Kansas thunderstorms (1970-1985). The North American Prairie Peninsula is examined relative to a genetic classification of North American Climates. Correspondence between these classified natural cliamtic complexes and the geographic patterns of assemblages of flora and fauna illustrate the connections between climate and prairie ecosystems.</style></abstract><accession-num><style face="normal" font="default" size="100%">LTER.1999-49050</style></accession-num></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gibson, D.J.</style></author><author><style face="normal" font="default" size="100%">Ely, J. 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