Articles | Volume 19, issue 1
Special issue:
Standard article
09 Apr 2019
Standard article |  | 09 Apr 2019

Water-mediated changes in plant–plant and biological soil crust–plant interactions in a temperate forest ecosystem

Clara Pissolito, Irene A. Garibotti, Santiago A. Varela, Verónica Arana, Marina Gonzalez-Polo, Paula Marchelli, and Octavio Bruzzone

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Cited articles

Armas, C., Ordiales, R., and Pugnaire, F. I.: Measuring plant interactions: a new comparative index, Ecology, 85, 2682–2686,, 2004. 
Barros, V. R., Boninsegna, J. A., Angela, I., Chidiak, M., Magrín, G. O., and Rusticucci, M.: Climate change in Argentina: trends, projections, impacts and adaptation, WIREs Clim. Chang., 6, 151–169,, 2014. 
Belnap, J.: Biological soil crusts in deserts: a short review of their role in soil fertility, stabilization, and water relations, Arch. Hydrobiol. Suppl. Algol. Stud., 50, 113–126,, 2003. 
Belnap, J. and Lange, O. L.: Structure and functioning of biological soil crusts: a synthesis, Biol. Soil Crusts Struct. Funct. Manag., 226, 471–479, 2003. 
Belnap, J., Weber, B., and Büdel, B.: Biological soil crusts as an organizing principle in drylands, in: Biological soil crusts: an organizing principle in drylands, edited by: Weber, J. B. B. and Budel, B., 3–13, Springer International Publishing, Switzerland, 2016. 
Short summary
In the quest to understand how biotic interactions respond to climate change, one area that remains poorly explored is how interactions involving organisms other than vascular plants will respond. This study assessed how changes in water availability altered the biotic effects of biological soil crusts and pioneer shrubs in the early life-history stage of tree seedling growth. We found that water availability changed the magnitude of shrub effect and the magnitude and type of crust effect.
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