| Titre : | Journal of Ecology 94(4) - JUL 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Tina Weppler, Auteur ;
Peter Stoll, Auteur ;
Jurg Stocklin, Auteur
1 Demographic studies in natural habitats are important for understanding the life history and mechanisms of population persistence of particular species. For plants living in high-alpine habitats, it is of significant importance to what extent [...]
Article
J. J. James, Auteur ;
J. H. Richards, Auteur
1 Soil resources are heterogeneously distributed in natural systems. In arid systems, for example, soil nitrogen (N) is often supplied in pulses. Mechanisms influencing the ability of a species to exploit N pulses through the season, however, ar[...]
Article
Swantje Lobel, Auteur ;
Tord Snall, Auteur ;
Hakan Rydin, Auteur
1 Deciduous trees within a coniferous forest landscape provide habitat for many organisms. Single trees in deciduous forests form dynamic patches that emerge, grow and fall, but the stands themselves are also dynamic patches established after di[...]
Article
Per Bengtson, Auteur ;
Ursula Falkengren-Grerup, Auteur ;
Goran Bengtsson, Auteur
1 This work demonstrates that spatial distribution of understorey vegetation and gross N transformation rates in a mixed beach-oak forest is closely correlated within a distance of a few metres. The findings imply that plant diversity and produc[...]
Article
F. Ishihama, Auteur ;
S. Ueno, Auteur ;
Y. Tsumura, Auteur ;
I. Washitani, Auteur
1 We assessed the effects of population density and the spatial arrangement of genetically compatible mates on the seed set and pollen flow of a heterostylous, bumblebee-pollinated perennial, Primula sieboldii E. Morren (Primulaceae), by using a[...]
Article
John L. Orrock, Auteur ;
DOUGLAS J. LEVEY, Auteur ;
Brent J. Danielson, Auteur ;
Ellen I. Damschen, Auteur
1 Plants may not occur in a given area if there are no suitable sites for seeds to establish (microsite limitation), if seeds fail to arrive in suitable microsites (dispersal limitation) or if seeds in suitable microsites are destroyed by predat[...]
Article
Justin P. Wright, Auteur ;
Clive G. Jones, Auteur ;
Bertrand Boeken, Auteur ;
Moshe Shachak, Auteur
1 The effect of physical ecosystem engineering - structurally mediated modification of the abiotic environment by organisms - on species richness and composition probably depends on the area of observation and environmental context. 2 We develop[...]
Article
Jonathan Silvertown, Auteur ;
Paul Poulton, Auteur ;
Edward Johnston, Auteur ;
Grant Edwards, Auteur ;
Matthew Heard, Auteur ;
Pamela M. Biss, Auteur
1 The Park Grass Experiment, begun in 1856, is the oldest ecological experiment in existence. Its value to science has changed and grown since it was founded to answer agricultural questions. In recent times the experiment has shown inter alia h[...]
