Big data, big problems? How to circumvent problems in biodiversity mapping and ensure meaningful results

Alice C. Hughes, James B. Dorey, Silas Bossert, Huijie Qiao, Michael C. Orr

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)
28 Downloads (Pure)

Abstract

Our knowledge of biodiversity hinges on sufficient data, reliable methods, and realistic models. Without an accurate assessment of species distributions, we cannot effectively target and stem biodiversity loss. Species range maps are the foundation of such efforts, but countless studies have failed to account for the most basic assumptions of reliable species mapping practices, undermining the credibility of their results and potentially misleading and hindering conservation and management efforts. Here, we use examples from the recent literature and broader conservation community to highlight the substantial shortfalls in current practices and their consequences for both analyses and conservation management. We detail how different decisions on data filtering impact the outcomes of analysis and provide practical recommendations and steps for more reliable analysis, whilst understanding the limits of what available data will reliably allow and what methods are most appropriate. Whilst perfect analyses are not possible for many taxa given limited data, and biases, ensuring we use data within reasonable limits and understanding inherent assumptions is crucial to ensure appropriate use. By embracing and enacting such best practices, we can ensure both the accuracy and improved comparability of biodiversity analyses going forward, ultimately enhancing our ability to use data to facilitate our protection of the natural world.

Original languageEnglish
Article numbere07115
Number of pages15
JournalEcography
Volume2024
Issue number8
Early online date30 May 2024
DOIs
Publication statusPublished - Aug 2024

Keywords

  • best practice
  • conservation
  • protected areas
  • spatial analysis
  • species distributions

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