Patterned vegetation and rainfall intermittency (Articolo in rivista)

Type
Label
  • Patterned vegetation and rainfall intermittency (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jtbi.2008.10.020 (literal)
Alternative label
  • Kletter A.Y.; J. von Hardenberg; E. Meron; A. Provenzale (2009)
    Patterned vegetation and rainfall intermittency
    in Journal of theoretical biology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Kletter A.Y.; J. von Hardenberg; E. Meron; A. Provenzale (literal)
Pagina inizio
  • 574 (literal)
Pagina fine
  • 583 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0022519308005614 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 256 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Kletter, Meron: Department of Physics, Ben Gurion University, Beer Sheva 84105, Israel Provenzale, von Hardenberg: Istituto di Scienze dell'Atmosfera e del Clima, Consiglio Nazionale delle Ricerche, 10133 Torino, Italy (literal)
Titolo
  • Patterned vegetation and rainfall intermittency (literal)
Abstract
  • We study a mathematical model for the dynamics of patterned dryland vegetation in the presence of rainfall intermittency, adopting a spatially explicit approach. We find that most results found for constant precipitation carry over to the case of intermittent rainfall, with a few important novelties. For intermittent precipitation, the functional forms of the water uptake and consequently of the vegetation growth rate play an important role. Nonlinear, concave-up forms of water uptake as a function of soil moisture lead to a beneficial effect of rainfall intermittency, with a stronger effect when vegetation feedbacks are absent. The results obtained with the explicit-space model employed here are in keeping with those provided by simpler, implicit-space approaches, and provide a more complete view of vegetation dynamics in arid ecosystems. (literal)
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