Population abundance estimates in conservation and biodiversity research

Callaghan, Corey T.; Santini, Luca; Spake, Rebecca; Bowler, Diana E. ORCID: 2024 Population abundance estimates in conservation and biodiversity research. Trends in Ecology & Evolution. 9, pp.

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Measuring and tracking biodiversity from local to global scales is challenging due to its multifaceted nature and the range of metrics used to describe spatial and temporal patterns. Abundance can be used to describe how a population changes across space and time, but it can be measured in different ways, with consequences for the interpretation and communication of spatiotemporal patterns. We differentiate between relative and absolute abundance, and discuss the advantages and disadvantages of each for biodiversity monitoring, conservation, and ecological research. We highlight when absolute abundance can be advantageous and should be prioritized in biodiversity monitoring and research, and conclude by providing avenues for future research directions to better assess the necessity of absolute abundance in biodiversity monitoring.

Item Type: Publication - Article
Digital Object Identifier (DOI):
UKCEH and CEH Sections/Science Areas: Biodiversity (Science Area 2017-)
ISSN: 0169-5347
Additional Keywords: abundance, biodiversity change, imperfect detection, modelling, monitoring, population density
NORA Subject Terms: Ecology and Environment
Data and Information
Date made live: 19 Mar 2024 15:56 +0 (UTC)

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