This guide aims to help practitioners, consultants and other Interested & Affected Parties (I&APs) working with environmental impact assessments to improve the curation, archiving andmanagement of primary biodiversity data captured during EIA processes and to share data freelyand openly in standardized, accessible and interoperable formats through the Global BiodiversityInformation Facility (GBIF). I&APs are encouraged to share the most detailed data possible, tosupport knowledge about species distributions and provide baseline data for future assessment.