Movement Ecology of Lontra longicaudis as a Management Tool for Coastal Ecosystems

The Zenodo Digital Repository (doi:pending) contains a comprehensive dataset supporting the reproducibility and practical implementation of the Otter Health Index (OHI) framework. The repository includes: Raw field data: 14 years (2003-2017) of standardized sign survey records (9,531 scats) with georeferenced coordinates, habitat classifications, and dietary composition analyses Spatial datasets: GIS shapefiles of habitat classifications, corridor delineation, and metapopulation home range boundaries Analysis scripts: R code for statistical analyses (Kruskal-Wallis tests, Loess regression, Morisita similarity calculations) and OHI scoring Field implementation toolkit: Standardized datasheets for scat surveys, shelter inventories, and dietary analysis OHI scoring worksheets: Templates for calculating Movement Integrity, Dietary Diversity, and Shelter Security components Interpretation guidelines: Protocol for translating OHI scores into management actions with threshold criteria Training materials: Slide decks and manuals for the "Guardians of the Corridor" community training program Validation datasets: Water quality parameters, fish diversity indices, and urbanization metrics used in OHI validation This repository enables estuary managers to directly implement the OHI without specialized equipment beyond GPS units and basic microscopy. The dataset is structured to support both research reproducibility and practical application, with clear documentation for non-technical users. All materials are provided in both Portuguese and English to facilitate adoption across tropical estuary management contexts.