| Titre : | Journal of Ecology 102(6) - NOV 2014 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Ping Wang, Auteur ;
Jacob Weiner, Auteur ;
James F. Cahill, Auteur ;
Dao Wei Zhou, Auteur ;
Hong Feng Bian, Auteur ;
Yan Tao Song, Auteur ;
Lian Xi Sheng, Auteur
Root and shoot competition affect plant growth in different ways, but their effects on reproductive allocation have not been investigated. If root and shoot competition affect reproductive output in a population differently, this will influence [...]
Article
Growth and carbon relations of temperate deciduous tree species at their upper elevation range limit
Armando Lenz, Auteur ;
Yann Vitasse, Auteur ;
Guenter Hoch, Auteur ;
Christian Koerner, Auteur
Temperature is one of the most important drivers of range limits in plants. Here, we aimed at disentangling the direct effect of low temperature and the indirect temperature effect via the length of the growing season on radial growth and carbon[...]
Article
Lydia Hantsch, Auteur ;
Steffen Bien, Auteur ;
Stine Radatz, Auteur ;
Uwe Braun, Auteur ;
Harald Auge, Auteur ;
Helge Bruelheide, Auteur
The degree to which plant pathogen infestation occurs in a host plant is expected to be strongly influenced by the level of species diversity among neighbouring host and non-host plant species. Since pathogen infestation can negatively affect ho[...]
Article
Matthew W. Fraser, Auteur ;
Gary A. Kendrick, Auteur ;
John Statton, Auteur ;
Renae K. Hovey, Auteur ;
Andrea Zavala-Perez, Auteur ;
Diana I. Walker, Auteur
Extreme climatic events will dictate the response of ecosystems to climate change, yet are understudied in marine ecosystems. The interaction of stressors from such events has the potential to amplify negative impacts and drive ecosystems into a[...]
Article
Daniel B. Stouffer, Auteur ;
Alyssa R. Cirtwill, Auteur ;
Jordi Bascompte, Auteur
There is increasing world-wide concern about the impact of the introduction of exotic species on ecological communities. Since many exotic plants depend on native pollinators to successfully establish, it is of paramount importance that we under[...]
Article
Julia I. Burton, Auteur ;
David J. Mladenoff, Auteur ;
Jodi A. Forrester, Auteur ;
Murray K. Clayton, Auteur
Disturbance can function to maintain diversity within forest communities; however, specific mechanisms and the relationship to productivity are not well understood. We examined these linkages in forest ground-layer plant communities using a repl[...]
Article
Antonio Mingo, Auteur
An index measuring interaction importance (I-imp) was proposed in a paper published on 2010 by the Journal of Ecology. This index, now widely used by researchers, has been claimed to symmetrically range in the interval (-1, 1), with negative val[...]
Article
Sebastian R. Abades, Auteur ;
Aurora Gaxiola, Auteur ;
Pablo A. Marquet, Auteur
Recent empirical and theoretical analyses have suggested that biomes could correspond to alternative equilibrium states; one such example is the transition between forest, savanna and treeless states. Fire supposes to be a key functional compone[...]
Article
Fabio Gennaretti, Auteur ;
Dominique Arseneault, Auteur ;
Yves Begin, Auteur
Although wildfire is the main natural disturbance factor driving changes in the North American boreal forest, understanding how the fire history of the last millennium shaped the present-day landscape diversity is a difficult task due to the lac[...]
Article
Juan J. Gaitan, Auteur ;
Gabriel E. Oliva, Auteur ;
Donaldo E. Bran, Auteur ;
Fernando T. Maestre, Auteur ;
Martin R. Aguiar, Auteur ;
Esteban G. Jobbagy, Auteur ;
Gustavo G. Buono, Auteur ;
Daniela Ferrante, Auteur ;
Viviana B. Nakamatsu, Auteur ;
Georgina Ciari, Auteur ;
Jorge M. Salomone, Auteur ;
Virginia Massara, Auteur
Drylands cover about 41% of Earth's land surface, and 65% of their area supports domestic livestock that depends on the above-ground net primary productivity (ANPP) of natural vegetation. Thus, understanding how biotic and abiotic factors contro[...]
Article
Tuomas Aakala, Auteur ;
Pertti Hari, Auteur ;
Sigrid Dengel, Auteur ;
Sarah L. Newberry, Auteur ;
Toshie Mizunuma, Auteur ;
John Grace, Auteur
The elevational limit of trees (henceforth, the tree line') is widely considered to be a sensitive indicator of environmental change. Here, we document the 20th century tree line advance and increase in the tree population at the tree line ecoto[...]
Article
Carbon isotopic signatures of soil organic matter correlate with leaf area index across woody biomes
Brenton Ladd, Auteur ;
Pablo L. Peri, Auteur ;
David A. Pepper, Auteur ;
Lucas C. R. Silva, Auteur ;
Douglas Sheil, Auteur ;
Stephen P. Bonser, Auteur ;
Shawn W. Laffan, Auteur ;
Wulf Amelung, Auteur ;
Alf Ekblad, Auteur ;
Peter Eliasson, Auteur ;
Hector Bahamonde, Auteur ;
Sandra Duarte-Guardia, Auteur ;
Michael Bird, Auteur
Leaf area index (LAI), a measure of canopy density, is a key variable for modelling and understanding primary productivity, and also water use and energy exchange in forest ecosystems. However, LAI varies considerably with phenology and disturba[...]
Article
John B. Bradford, Auteur ;
Daniel R. Schlaepfer, Auteur ;
William K. Lauenroth, Auteur ;
Ingrid C. Burke, Auteur
Terrestrial vegetation influences hydrologic cycling. In water-limited, dryland ecosystems, altered ecohydrology as a consequence of vegetation change can impact vegetation structure, ecological functioning and ecosystem services. Shrub steppe e[...]
Article
Michael Kessler, Auteur ;
Laura Salazar, Auteur ;
Juergen Homeier, Auteur ;
Juergen Kluge, Auteur
The species richness-productivity relationship (SRPR), by which the species richness of habitats or ecosystems is related to the productivity of the ecosystem or the taxon, has been documented both on regional and local scales, but its generalit[...]
Article
Zak Ratajczak, Auteur ;
Jesse B. Nippert, Auteur ;
John M. Briggs, Auteur ;
John M. Blair, Auteur
This review synthesizes evidence that altered fire frequency drives discontinuous ecosystem transitions from mesic grasslands to shrublands or woodlands in the Central Great Plains, USA. Long-term fire manipulations reveal that grassland to shru[...]
Article
Neal J. Enright, Auteur ;
Joseph B. Fontaine, Auteur ;
Byron B. Lamont, Auteur ;
Ben P. Miller, Auteur ;
Vanessa C. Westcott, Auteur
Changing disturbance-climate interactions will drive shifts in plant communities: these effects are not adequately quantified by environmental niche models used to predict future species distributions. We quantified the effects of more frequent [...]
