Supporting data for van Strien A.J., Meijaard E., Nardiyono, Suief S., Zaini S. (2025). Occupancy estimation of wild species in a palm oil plantation using unstructured data. PLOS ONE, 2025.

Update (Version 2 – 2025-11-13):This version includes a revised documentation file and minor corrections to the dataset structure, reflected in data_for_repository_updated.csv This dataset accompanies the paper:van Strien A.J., Meijaard E., Nardiyono, Suief S., Zaini S. (2025). Occupancy estimation of wild species in a palm oil plantation using unstructured data. PLOS ONE, 2025.The dataset contains raw and processed data used for the occupancy estimation analyses described in the paper.Files included:data_for_repository_updated.csv – Primary dataset used in the occupancy analysis.KAL_observers.csv – Observer metadata.Explanation_Data_repository.docx – Supporting documentation explaining variables, data sources, and structure.These files are released to promote transparency and reproducibility of research.