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A. Márcia Barbosa

Consultant and instructor on biogeography, macroecology, species distribution models, GIS and R programming. FOSS user and developer: https://modtools.wordpress.com/

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A. Márcia Barbosa@[email protected]

I often need to get mainland from country / administrative region polygons, so I finally decided to write a function to help automate it. Feedback welcome! https://modtools.wordpress.com/2026/10/20/get-largest-e-g-mainland-polygons-from-a-map/ #GIS #GISchat #Rstats #Rspatial #geospatial

modToolsGet largest (e.g. mainland) polygons from a mapI often need to get mainland from country / administrative region polygons, so I finally decided to write a function to help automate it. It selects the N largest feature(s) in a polygons or lines …

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A. Márcia Barbosa@[email protected]

The paper introduces R algorithms that use data-driven, varying-size buffers to adaptively delimit background regions for SDM/ENM, with the aim of addressing spatially uneven sampling / survey bias: https://journals.ku.edu/jbi/article/view/25045 #Rstats #GISChat #GIS #biogeography #macroecology

journals.ku.eduSpatially adaptive background delimitation strategies for species distribution models with unevenly surveyed occurrences | Biodiversity Informatics

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