ParrottProulxThibert-Plante2008

Référence

Parrott, L., Proulx, R., Thibert-Plante, X. (2008) Three-dimensional metrics for the analysis of spatiotemporal data in ecology. Ecological Informatics, 3(6):343-353. (Scopus )

Résumé

A suite of simple metrics that can be used to analyse three-dimensional data sets is presented. We show how these metrics can be applied to raster-based, ecological mosaics sampled over uniform time intervals, such as might be obtained from a series of photographs or from repeated spatial sampling in the field. In these analyses, the concept of a 2D landscape "patch" is replaced by a 3D space-time "blob". The structure of a dataset can be analysed via the characterisation of blobs, using a number of simple composition and configuration metrics. The use of different metrics, including modified versions of some common landscape metrics such as contagion, that describe the distribution of blobs in space and time, is demonstrated using both model and empirical data. With the increasing availability of spatiotemporal data sets in ecology, such three-dimensional metrics may be indispensable tools for the detection and characterization of landscape change in the context of human and naturally caused disturbances. © 2008 Elsevier B.V. All rights reserved.

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@ARTICLE { ParrottProulxThibert-Plante2008,
    AUTHOR = { Parrott, L. and Proulx, R. and Thibert-Plante, X. },
    TITLE = { Three-dimensional metrics for the analysis of spatiotemporal data in ecology },
    JOURNAL = { Ecological Informatics },
    YEAR = { 2008 },
    VOLUME = { 3 },
    PAGES = { 343-353 },
    NUMBER = { 6 },
    ABSTRACT = { A suite of simple metrics that can be used to analyse three-dimensional data sets is presented. We show how these metrics can be applied to raster-based, ecological mosaics sampled over uniform time intervals, such as might be obtained from a series of photographs or from repeated spatial sampling in the field. In these analyses, the concept of a 2D landscape "patch" is replaced by a 3D space-time "blob". The structure of a dataset can be analysed via the characterisation of blobs, using a number of simple composition and configuration metrics. The use of different metrics, including modified versions of some common landscape metrics such as contagion, that describe the distribution of blobs in space and time, is demonstrated using both model and empirical data. With the increasing availability of spatiotemporal data sets in ecology, such three-dimensional metrics may be indispensable tools for the detection and characterization of landscape change in the context of human and naturally caused disturbances. © 2008 Elsevier B.V. All rights reserved. },
    ADDRESS = { Complex Systems Laboratory, De?partement de ge?ographie, Universite? de Montre?al, C.P. 6128, succursale Centre-ville, Montre?al, Que. H3C 3J7, Canada },
    COMMENT = { Export Date: 5 December 2008 Source: Scopus doi: 10.1016/j.ecoinf.2008.07.001 },
    ISSN = { 15749541 (ISSN) },
    KEYWORDS = { Complexity, Ecological dynamics, Heterogeneity, Landscape ecology, Landscape metrics, Patch dynamics, Remote sensing, Spatially-explicit models, Spatiotemporal analysis },
    OWNER = { Luc },
    TIMESTAMP = { 2008.12.05 },
    URL = { http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-56549105434&partnerID=40 },
}

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