Site- scale ecological marginality: Evaluation model and application to a case study

Valentín Gómez-Sanz

Ecological Modelling, 2019, vol. 408, issue C, -

Abstract: The different methodological tools for ecological homologation are commonly based around the controversial inference of the species fundamental niche coming from its effective niche, this being considered the medium in which the species lives, bounded by the quantification of a set of environmental variables (parameters) that define it. The methodologies and models developed in this field are generally aimed at evaluating the suitability (homologation) of a species for a given site based on its "proximity" to the observed range of variation associated with its optimal ecological response (this usually means the center of gravity, the centroid of the point cloud, etc.). In contrast, little research has been directed towards developing methodologies which fix the reference at the limit values of the recorded variation range, and which define the conditions of ecological marginality.

Keywords: Ecological niche; Ecological marginality; Parametric autoecology; Ecological instability; Physical environment; Aleppo pine (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:408:y:2019:i:c:7

DOI: 10.1016/j.ecolmodel.2019.108739

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