論文

査読有り 招待有り
2018年12月1日

On a nonlocal system for vegetation in drylands

Journal of Mathematical Biology
  • Alfaro M
  • ,
  • Izuhara H
  • ,
  • Mimura M

77
6-7
開始ページ
1761
終了ページ
1793
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1007/s00285-018-1215-0
出版者・発行元
Journal of Mathematical Biology

© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. Several mathematical models are proposed to understand spatial patchy vegetation patterns arising in drylands. In this paper, we consider the system with nonlocal dispersal of plants (through a redistribution kernel for seeds) proposed by Pueyo et al. (Oikos 117:1522–1532, 2008) as a model for vegetation in water-limited ecosystems. It consists in two reaction diffusion equations for surface water and soil water, combined with an integro-differential equation for plants. For this system, under suitable assumptions, we prove well-posedness using the Schauder fixed point theorem. In addition, we consider the stationary problem from the viewpoint of vegetated pattern formation, and show a transition of vegetation patterns when parameter values (rainfall, seed dispersal range, seed germination rate) in the system vary. The influence of the shape of the redistribution kernel is also discussed.

リンク情報
DOI
https://doi.org/10.1007/s00285-018-1215-0
URL
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85041903856&origin=inward
ID情報
  • DOI : 10.1007/s00285-018-1215-0
  • ISSN : 0303-6812

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