Article(electronic)December 1, 2023

Absence of the "Absences": the Engler-Hengl Approach in Species Distribution Modelling

In: Известия Российской академии наук. Серия биологическая, Issue 8, p. 25-41

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Abstract

The possibilities of creating artificial absence points (pseudo-absences) to build species distribution models are considered. An approach proposed by Robin Engler and adapted by Tomislav Hengl is described, which takes into account habitat suitability indices and distances to presence points to create pseudo-absences. Using the example of bilberries (Vaccinium myrtillus) in the Central Forest Nature Reserve and its buffer zone, generalized linear models based on the Engler-Hengl design, traveled tracks and distances to presence points are compared, as well as a model built using the maximum entropy method. The results obtained indicate the superiority of the model based on the Engler-Hengl approach both in terms of quality assessments and in terms of the realism of the constructed spatial distribution maps.

Publisher

The Russian Academy of Sciences

DOI

10.31857/s1026347023600814

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