The story of sRedList is one of research and innovation grown directly from practical needs. sRedList developed from challenges related to the Red List of Threatened Species of the International Union for Conservation of Nature (known as the IUCN Red List), and from the collaborative efforts to address them. Step by step, these efforts shaped the platform into what it is today: a tool developed from experience, shared expertise, and a clear understanding of the practical demands of Red List assessment.
At the beginning, sRedList started as a working group funded by sDiv, the synthesis centre for biodiversity sciences of iDiv, between 2021 and 2023. Coordinated by Luca Santini and Moreno Di Marco, with Victor Cazalis as a postdoctoral researcher, the group brought together Red List practitioners and ecological modellers to address a major challenge: facilitating the work of Red List assessors.
The IUCN Red List of Threatened Species plays a crucial role in biodiversity conservation by monitoring the status of species, supporting conservation policies, and assessing the effectiveness of conservation actions. Yet assessors have faced challenges in expanding the number of species assessed, updating existing assessments, and making assessments more robust and standardised.
Although modelling methods have been developed for years to support and streamline this work, their uptake in Red List assessments has remained limited. The development of sRedList was therefore closely connected to the Red List community itself.
Through a series of encounters with assessors, species experts, and naturalists, the first prototype was tested and progressively improved. Feedback from the community led to new features and modifications, transforming an initial prototype into a platform capable of integrating different data sources and analytical methods into a single workflow. The platform was developed in close collaboration with LifeWatch Italy, that developed the online infrastructure and hosts the platform on their servers. The analyses are being developed and maintained by Victor Cazalis, presented in detail in Cazalis et al., 2024, in Biological Conservation.
Today, sRedList guides users through seven steps, making the assessment workflow accessible also to users without advanced scripting skills. The platform can use occurrence data from sources including GBIF, OBIS, the Red List or users’ own files, and can produce outputs that can be integrated into the Species Information Service (SIS).
Among other functions, sRedList can generate species distribution maps, estimate Area of Habitat and its trends, identify countries of occurrence, assess forest-cover trends within a species’ range, and calculate severe fragmentation.
The platform is currently undergoing an engineering update, with new modules being developed to make the service more solid and further support the work of Red List assessors. sRedList can count today on multidisciplinary skills: the core team expanded overtime, and now involves also members of CNR, LifeWatch Italy, and LifeWatch ERIC – who maintains the platform up to date and operational.
Stay tuned and learn more about sRedList: https://sredlist.eu
Photo credits: sRedList website









