Now showing items 21-40 of 86

    • Ecophysiological Traits of Terrestrial and Aquatic Carnivorous Plants: Are the Costs and Benefits the Same? 

      Ellison, Aaron M.; Adamec, Lubomír (Wiley-Blackwell, 2011)
      Identification of trade-offs among physiological and morphological traits and their use in cost-benefit models and ecological or evolutionary optimization arguments have been hallmarks of ecological analysis for at least ...
    • Effects of Short-Term Warming On Low and High Latitude Forest Ant Communities 

      Pelini, Shannon Lynn; Boudreau, Mark; McCoy, Neil; Ellison, Aaron M.; Gotelli, Nicholas J.; Sanders, Nathan J.; Dunn, Robert R. (Ecological Society of America, 2011)
      Climatic change is expected to have differential effects on ecological communities in different geographic areas. However, few studies have experimentally demonstrated the effects of warming on communities simultaneously ...
    • Energetics and the evolution of carnivorous plants - Darwin's "most wonderful plants in the world" 

      Ellison, Aaron; Gotelli, Nicholas J. (Oxford University Press, 2009)
      Carnivory has evolved independently at least six times in five angiosperm orders. In spite of these independent origins, there is a remarkable morphological convergence of carnivorous plant traps and physiological convergence ...
    • Environmental proteomics reveals taxonomic and functional changes in an enriched aquatic ecosystem 

      Northrop, Amanda C.; Brooks, Rachel K.; Ellison, Aaron M.; Gotelli, Nicholas J.; Ballif, Bryan A. (Wiley-Blackwell, 2017)
      Aquatic ecosystem enrichment can lead to distinct and irreversible changes to undesirable states. Understanding changes in active microbial community function and composition following organic-matter loading in enriched ...
    • Environmental Proteomics, Biodiversity Statistics, and Food-Web Structure 

      Gotelli, Nicholas; Ellison, Aaron M.; Ballif, Bryan (Elsevier, 2012)
    • Experimentally Testing the Role of Foundation Species in Forests: The Harvard Forest Hemlock Removal Experiment 

      Ellison, Aaron M.; Barker-Plotkin, Audrey A.; Foster, David Russell; Orwig, David A. (British Ecological Society, 2010)
      1. Problem statement– Foundation species define and structure ecological systems. In forests around the world, foundation tree species are declining due to overexploitation, pests and pathogens. Eastern hemlock (Tsuga ...
    • Experiments Are Revealing a Foundation Species: A Case-Study of Eastern Hemlock (Tsuga canadensi) 

      Ellison, Aaron M. (Hindawi Publishing Corporation, 2014)
      Foundation species are species that create and define particular ecosystems; control in large measure the distribution and abundance of associated flora and fauna; and modulate core ecosystem processes, such as energy flux ...
    • Facilitation stabilizes moisture-controlled alpine juniper shrublines in the central Tibetan Plateau 

      Wang, Yafeng; Liang, Eryuan; Ellison, Aaron M.; Lu, Xiaoming; Camarero, J. Julio (Elsevier BV, 2015)
      The Tibetan Plateau hosts one of the world's highest undisturbed alpine juniper shrublines. However, little is known about the dynamics of these shrublines in response to climate warming and shrub-to-shrub interactions. ...
    • Food-Web Models Predict Species Abundances in Response to Habitat Change 

      Gotelli, Nicholas J; Ellison, Aaron M. (Public Library of Science, 2006)
      Plant and animal population sizes inevitably change following habitat loss, but the mechanisms underlying these changes are poorly understood. We experimentally altered habitat volume and eliminated top trophic levels of ...
    • Foundation species loss affects vegetation structure more than ecosystem function in a northeastern USA forest 

      Orwig, David A.; Barker-Plotkin, Audrey A.; Davidson, Eric A.; Lux, Heidi; Savage, Kathleen E.; Ellison, Aaron M. (PeerJ, 2013)
      Loss of foundation tree species rapidly alters ecological processes in forested ecosystems. Tsuga canadensis, an hypothesized foundation species of eastern North American forests, is declining throughout much of its range ...
    • Foundation Species Loss and Biodiversity of the Herbaceous Layer in New England Forests 

      Ellison, Aaron M.; Barker Plotkin, Audrey A.; Khalid, Shah (MDPI AG, 2015)
      Eastern hemlock (Tsuga canadensis) is a foundation species in eastern North American forests. Because eastern hemlock is a foundation species, it often is assumed that the diversity of associated species is high. However, ...
    • Genotypic variability enhances the reproducibility of an ecological study 

      Milcu, Alexandru; Puga-Freitas, Ruben; Ellison, Aaron M.; Blouin, Manuel; Scheu, Stefan; Freschet, Grégoire T.; Rose, Laura; Barot, Sebastien; Cesarz, Simone; Eisenhauer, Nico; Girin, Thomas; Assandri, Davide; Bonkowski, Michael; Buchmann, Nina; Butenschoen, Olaf; Devidal, Sebastien; Gleixner, Gerd; Gessler, Arthur; Gigon, Agnès; Greiner, Anna; Grignani, Carlo; Hansart, Amandine; Kayler, Zachary; Lange, Markus; Lata, Jean-Christophe; Le Galliard, Jean-François; Lukac, Martin; Mannerheim, Neringa; Müller, Marina E. H.; Pando, Anne; Rotter, Paula; Scherer-Lorenzen, Michael; Seyhun, Rahme; Urban-Mead, Katherine; Weigelt, Alexandra; Zavattaro, Laura; Roy, Jacques (Springer Nature, 2018)
      Many scientific disciplines are currently experiencing a “reproducibility crisis” because numerous scientific findings cannot be repeated consistently. A novel but controversial hypothesis postulates that stringent levels ...
    • Geographic Variation in Network Structure of a Nearctic Aquatic Food Web 

      Baiser, Benjamin H.; Gotelli, Nicholas J.; Buckley, Hannah L.; Miller, Thomas E.; Ellison, Aaron M. (Blackwell Publishing Ltd, 2011)
      Aim: The network structure of food webs plays an important role in the maintenance of diversity and ecosystem functioning in ecological communities. Previous research has found that ecosystem size, resource availability, ...
    • Global Diversity in Light of Climate Change: the Case of Ants 

      Jenkins, Clinton N.; Sanders, Nathan J.; Andersen, Alan N.; Arnan, Xavier; Brühl, Carsten A.; Cerda, Xim; Ellison, Aaron M.; Fisher, Brian L.; Fitzpatrick, Matthew C.; Gotelli, Nicholas J.; Gove, Aaron D.; Guénard, Benoit; Lattke, John E.; Lessard, Jean-Philippe; McGlynn, Terrence P.; Menke, Sean B.; Parr, Catherine L.; Philpott, Stacy M.; Vasconcelos, Heraldo L.; Weiser, Michael D.; Dunn, Robert R. (Wiley-Blackwell, 2011)
      Aim: To use a fine-grained global model of ant diversity to identify the limits of our knowledge of diversity in the context of climate change. Location: Global. Methods: We applied generalized linear modelling to a ...
    • Heat tolerance predicts the importance of species interaction effects as the climate changes 

      Diamond, Sarah E.; Chick, Lacy; Penick, Clint A.; Nichols, Lauren M.; Cahan, Sara Helms; Dunn, Robert R.; Ellison, Aaron M.; Sanders, Nathan J.; Gotelli, Nicholas J. (Oxford University Press (OUP), 2017)
      Few studies have quantified the relative importance of direct effects of climate change on communities versus indirect effects that are mediated thorough species interactions, and the limited evidence is conflicting. ...
    • Heating Up the Forest: Open-Top Chamber Warming Manipulation of Arthropod Communities at Harvard and Duke Forests 

      Pelini, Shannon Lynn; Bowles, Francis P.; Ellison, Aaron M.; Gotelli, Nicholas J.; Sanders, Nathan J.; Dunn, Robert R. (John Wiley & Sons, 2011)
      1. Recent observations indicate that climatic change is altering biodiversity, and models suggest that the consequences of climate change will differ across latitude. However, long-term experimental field manipulations ...
    • How do ecologists select and use indicator species to monitor ecological change? Insights from 14 years of publication in Ecological Indicators 

      Siddig, Ahmed Ali; Ellison, Aaron M.; Ochs, Alison; Villar-Leeman, Claudia; Lau, Matthew (Elsevier BV, 2016)
      Indicator species (IS) are used to monitor environmental changes, assess the efficacy of management, and provide warning signals for impending ecological shifts. Though widely adopted in recent years by ecologists, ...
    • If these data could talk 

      Pasquier, Thomas; Lau, Matthew; Trisovic, Ana; Boose, Emery Robert; Couturier, Ben; Crosas, Merce; Ellison, Aaron M.; Gibson, Valerie; Jones, Chris R.; Seltzer, Margo I. (Springer Nature, 2017)
      In the last few decades, data-driven methods have come to dominate many fields of scientific inquiry. Open data and open-source software have enabled the rapid implementation of novel methods to manage and analyze the ...
    • Increased stem density and competition may diminish the positive effects of warming at alpine treeline 

      Wang, Yafeng; Pederson, Neil; Ellison, Aaron M.; Buckley, Hannah L.; Case, Bradley; Liang, Eryuan; Camarero, J Julio (Wiley-Blackwell, 2016)
      The most widespread response to global warming among alpine treeline ecotones is not an upward shift, but an increase in tree density. However, the impact of increasing density on interactions among trees at treeline is ...
    • Indicators of regime shifts in ecological systems: what do we need to know and when do we need to know it? 

      Contamin, Raphael; Ellison, Aaron (Ecological Society of America, 2009)
      Because novel ecological conditions can cause severe and long-lasting environmental damage with large economic costs, ecologists must identify possible environmental regime shifts and pro-actively guide ecosystem management. ...