Evaluation of the ecological niche model approach in spatial conservation prioritization

Fumiko Ishihama, Akio Takenaka, Hiroyuki Yokomizo and Taku Kadoya

PLOS ONE, 2019, vol. 14, issue 12, 1-17

Abstract: Ecological niche models (ENMs) are widely used in spatial prioritization for biodiversity conservation (e.g. selecting conservation areas). However, it is unclear whether ENMs are always beneficial for such purposes. We quantified the benefit of using ENMs in conservation prioritization, comparing the numbers of species covered by conservation areas selected on the basis of probabilities estimated by ENMs (ENM approach) and those selected on the basis of raw observation data (raw-data approach), while controlling survey range, survey bias, and target size of conservation area. We evaluated three ENM algorithms (GLM, GAM, and random forests). We used virtual community data generated by simulation for the evaluation. ENM approach was effective when survey bias is strong, survey range is narrow, and target size of conservation area is moderate. The percentage of cases in which the ENM approach outperformed the raw-data approach ranged from 0.0 to 33% (GLM), 31% (GAM), and 75% (random forests) depending on conditions. The number of rare species (

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0226971

DOI: 10.1371/journal.pone.0226971

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