AustralieFrV1, PascalFrancis, Curation, bibRecord, 006E01

Short range co-operativity competing with long range inhibition explains vegetation patterns

Identifieur interne : 006E01 ( PascalFrancis/Curation ); précédent : 006E00; suivant : 006E02

Short range co-operativity competing with long range inhibition explains vegetation patterns

Auteurs : O. Lejeune [Belgique] ; P. Couteron [France] ; R. Lefever [Belgique]

Source :

Acta oecologica : (Montrouge) [ 1146-609X ] ; 1999.

RBID : Pascal:99-0431077

Descripteurs français

Pascal (Inist)
- Dynamique végétation, Modèle mathématique, Répartition spatiale, Compétition interspécifique, Anisotropie, Cycle développement, Spermatophyta, Burkina Faso.
Wicri :
- geographic : Burkina Faso.

English descriptors

KwdEn :
- Anisotropy, Burkina Faso, Interspecific competition, Life cycle, Mathematical model, Spatial distribution, Spermatophyta, Vegetation dynamics.

Abstract

We model the non-local dynamics of vegetation communities and interpret the formation of vegetation patterns as a spatial instability of intrinsic origin: the wavelength of the patterns predicted within the framework of this approach is determined by the parameters governing the dynamics rather than by boundary conditions and/or geometrical constraints. The spatial periodicity results from an interplay between short-range co-operative interactions and long-range self-inhibitory interactions inside the vegetation community. The influence of environmental anisotropies on pattern symmetry and orientation is discussed. As a case study, the approach is applied to a system of vegetation bands situated in the north-west of Burkina Faso. The parameters describing the co-operative and inhibitory interactions at the origin of the patterns are evaluated.

A01	`01`	`1`		`@0 1146-609X`
A03		`1`		`@0 Acta oecol. : (Montrouge)`
A05				`@2 20`
A06				`@2 3`
A08	`01`	`1`	`ENG`	`@1 Short range co-operativity competing with long range inhibition explains vegetation patterns`
A09	`01`	`1`	`ENG`	`@1 Banded Vegetation Patterns`
A11	`01`	`1`		`@1 LEJEUNE (O.)`
A11	`02`	`1`		`@1 COUTERON (P.)`
A11	`03`	`1`		`@1 LEFEVER (R.)`
A12	`01`	`1`		`@1 TONGWAY (David) @9 introd.`
A12	`02`	`1`		`@1 SEGHIERI (Josiane) @9 introd.`
A14	`01`			`@1 Faculté des Sciences, CP 231, Université Libre de Bruxelles @2 1050 Bruxelles @3 BEL @Z 1 aut. @Z 3 aut.`
A14	`02`			`@1 École nationale du génie rural des eaux et forêts (ENGREF), B.P. 5093 @2 34033 Montpellier @3 FRA @Z 2 aut.`
A15	`01`			`@1 "Gungahlin Homestead", CSIRO Wildlife and Ecology, GPO Box 284 @2 Canberra 2601 ACT @3 AUS @Z 1 aut.`
A15	`02`			`@1 IRD, B.P. 5045 @2 34032 Montpellier @3 FRA @Z 2 aut.`
A20				`@1 171-183`
A21				`@1 1999`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 12904 @5 354000086017920040`
A44				`@0 0000 @1 © 1999 INIST-CNRS. All rights reserved.`
A45				`@0 47 ref.`
A47	`01`	`1`		`@0 99-0431077`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Acta oecologica : (Montrouge)`
A66	`01`			`@0 FRA`
C01	`01`		`ENG`	@0 We model the non-local dynamics of vegetation communities and interpret the formation of vegetation patterns as a spatial instability of intrinsic origin: the wavelength of the patterns predicted within the framework of this approach is determined by the parameters governing the dynamics rather than by boundary conditions and/or geometrical constraints. The spatial periodicity results from an interplay between short-range co-operative interactions and long-range self-inhibitory interactions inside the vegetation community. The influence of environmental anisotropies on pattern symmetry and orientation is discussed. As a case study, the approach is applied to a system of vegetation bands situated in the north-west of Burkina Faso. The parameters describing the co-operative and inhibitory interactions at the origin of the patterns are evaluated.
C02	`01`	`X`		`@0 002A14B04B`
C03	`01`	`X`	`FRE`	`@0 Dynamique végétation @5 01`
C03	`01`	`X`	`ENG`	`@0 Vegetation dynamics @5 01`
C03	`01`	`X`	`SPA`	`@0 Dinámica vegetación @5 01`
C03	`02`	`X`	`FRE`	`@0 Modèle mathématique @5 02`
C03	`02`	`X`	`ENG`	`@0 Mathematical model @5 02`
C03	`02`	`X`	`SPA`	`@0 Modelo matemático @5 02`
C03	`03`	`X`	`FRE`	`@0 Répartition spatiale @5 03`
C03	`03`	`X`	`ENG`	`@0 Spatial distribution @5 03`
C03	`03`	`X`	`SPA`	`@0 Distribución espacial @5 03`
C03	`04`	`X`	`FRE`	`@0 Compétition interspécifique @5 04`
C03	`04`	`X`	`ENG`	`@0 Interspecific competition @5 04`
C03	`04`	`X`	`SPA`	`@0 Competencia interespecífica @5 04`
C03	`05`	`X`	`FRE`	`@0 Anisotropie @5 05`
C03	`05`	`X`	`ENG`	`@0 Anisotropy @5 05`
C03	`05`	`X`	`SPA`	`@0 Anisotropía @5 05`
C03	`06`	`X`	`FRE`	`@0 Cycle développement @5 07`
C03	`06`	`X`	`ENG`	`@0 Life cycle @5 07`
C03	`06`	`X`	`SPA`	`@0 Ciclo desarrollo @5 07`
C03	`07`	`X`	`FRE`	`@0 Spermatophyta @2 NS @5 10`
C03	`07`	`X`	`ENG`	`@0 Spermatophyta @2 NS @5 10`
C03	`07`	`X`	`SPA`	`@0 Spermatophyta @2 NS @5 10`
C03	`08`	`X`	`FRE`	`@0 Burkina Faso @2 NG @5 20`
C03	`08`	`X`	`ENG`	`@0 Burkina Faso @2 NG @5 20`
C03	`08`	`X`	`SPA`	`@0 Burkina Faso @2 NG @5 20`
C07	`01`	`X`	`FRE`	`@0 Afrique @2 NG`
C07	`01`	`X`	`ENG`	`@0 Africa @2 NG`
C07	`01`	`X`	`SPA`	`@0 Africa @2 NG`
C07	`02`	`X`	`FRE`	`@0 Afrique Ouest @2 NG @5 59`
C07	`02`	`X`	`ENG`	`@0 West Africa @2 NG @5 59`
C07	`02`	`X`	`SPA`	`@0 Africa occidental @2 NG @5 59`
N21				`@1 277`

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Pascal:99-0431077

Le document en format XML

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<front><div type="abstract" xml:lang="en">We model the non-local dynamics of vegetation communities and interpret the formation of vegetation patterns as a spatial instability of intrinsic origin: the wavelength of the patterns predicted within the framework of this approach is determined by the parameters governing the dynamics rather than by boundary conditions and/or geometrical constraints. The spatial periodicity results from an interplay between short-range co-operative interactions and long-range self-inhibitory interactions inside the vegetation community. The influence of environmental anisotropies on pattern symmetry and orientation is discussed. As a case study, the approach is applied to a system of vegetation bands situated in the north-west of Burkina Faso. The parameters describing the co-operative and inhibitory interactions at the origin of the patterns are evaluated.</div>
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Short range co-operativity competing with long range inhibition explains vegetation patterns

Short range co-operativity competing with long range inhibition explains vegetation patterns

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Descripteurs français

English descriptors

Abstract

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