CISO: Species Distribution Modeling Conditioned on Incomplete Species Observations

• URL: http://arxiv.org/abs/2508.06704v1
• Date: Fri, 08 Aug 2025 21:15:12 GMT
• Title: CISO: Species Distribution Modeling Conditioned on Incomplete Species Observations
• Authors: Hager Radi Abdelwahed, Mélisande Teng, Robin Zbinden, Laura Pollock, Hugo Larochelle, Devis Tuia, David Rolnick,
• Abstract summary: Species distribution models (SDMs) are widely used to predict species' geographic distributions.<n>CSIS is a deep learning-based method for species distribution modeling Conditioned on Incomplete Species Observations.<n>We demonstrate our approach using three datasets representing different species groups: sOpen for plants, SatBird for birds, and a new dataset, SatButterfly, for butterflies.
• Score: 31.010868781061006
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Species distribution models (SDMs) are widely used to predict species' geographic distributions, serving as critical tools for ecological research and conservation planning. Typically, SDMs relate species occurrences to environmental variables representing abiotic factors, such as temperature, precipitation, and soil properties. However, species distributions are also strongly influenced by biotic interactions with other species, which are often overlooked. While some methods partially address this limitation by incorporating biotic interactions, they often assume symmetrical pairwise relationships between species and require consistent co-occurrence data. In practice, species observations are sparse, and the availability of information about the presence or absence of other species varies significantly across locations. To address these challenges, we propose CISO, a deep learning-based method for species distribution modeling Conditioned on Incomplete Species Observations. CISO enables predictions to be conditioned on a flexible number of species observations alongside environmental variables, accommodating the variability and incompleteness of available biotic data. We demonstrate our approach using three datasets representing different species groups: sPlotOpen for plants, SatBird for birds, and a new dataset, SatButterfly, for butterflies. Our results show that including partial biotic information improves predictive performance on spatially separate test sets. When conditioned on a subset of species within the same dataset, CISO outperforms alternative methods in predicting the distribution of the remaining species. Furthermore, we show that combining observations from multiple datasets can improve performance. CISO is a promising ecological tool, capable of incorporating incomplete biotic information and identifying potential interactions between species from disparate taxa.

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