Welcome to GLOSSA

GLOSSA is an open-source R Shiny application for modeling marine species distributions using presence/(pseudo-)absence data and environmental predictors. It is designed to lower technical barriers and make SDM analyses accessible through an interactive interface. GLOSSA guides users through a streamlined SDM workflow, from data upload and preprocessing to model fitting, evaluation, and result exploration.

• Graphical user interface: An intuitive interface for fitting SDMs.
• Flexible modeling: Fit Bayesian Additive Regression Trees (BART) to estimate species-environment relationships.
• Support for multiple species: Run and compare separate models within the same session.
• Support for forecasting: Project distributions across time periods or climate scenarios.
• Uncertainty estimation: Summarize posterior predictions with point and interval estimates.
• Model evaluation: Evaluate performance using cross-validation, including spatial blocks and temporal splits.
• Reproducible outputs: Export all results alongside a configuration file to ensure reproducibility.