Domains of Scale in Forest-Landscape Metrics: Implications for Species-Habitat Modeling. Wheatley, M. 36(2):259–267. Paper doi abstract bibtex Observational scale defines the field-of-view used to quantify any set of data, and thus has profound implications on the development and interpretation of species-habitat models. However, most multi-scale studies choose observational scales using criteria unrelated to how metrics quantify along the scale continuum; scale choice is either arbitrary or via orders of resource selection irrespective of potential among-scale differences in mean or variation. Here, I use GIS to examine these issues for 9 forest-landscape metrics across 15 observational extents (while holding grain constant) and demonstrate how associated averages and variation change markedly and unpredictably across observational scale continua, emphasizing that a priori selection of 2 ” different” scales cannot be done intuitively, arbitrarily, or based on orders of resource selection. Evaluation of the scale-domain continuum is a critically absent step in the building and interpretation of all multi-scale ecological models.
@article{wheatleyDomainsScaleForestlandscape2010,
title = {Domains of Scale in Forest-Landscape Metrics: {{Implications}} for Species-Habitat Modeling},
author = {Wheatley, Matthew},
date = {2010-03},
journaltitle = {Acta Oecologica},
volume = {36},
pages = {259--267},
issn = {1146-609X},
doi = {10.1016/j.actao.2009.12.003},
url = {https://doi.org/10.1016/j.actao.2009.12.003},
abstract = {Observational scale defines the field-of-view used to quantify any set of data, and thus has profound implications on the development and interpretation of species-habitat models. However, most multi-scale studies choose observational scales using criteria unrelated to how metrics quantify along the scale continuum; scale choice is either arbitrary or via orders of resource selection irrespective of potential among-scale differences in mean or variation. Here, I use GIS to examine these issues for 9 forest-landscape metrics across 15 observational extents (while holding grain constant) and demonstrate how associated averages and variation change markedly and unpredictably across observational scale continua, emphasizing that a priori selection of 2 ” different” scales cannot be done intuitively, arbitrarily, or based on orders of resource selection. Evaluation of the scale-domain continuum is a critically absent step in the building and interpretation of all multi-scale ecological models.},
keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-6709481,forest-resources,indices,landscape-modelling,multi-scale,non-linearity},
number = {2}
}
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