TetraDENSITY: a database of population density estimates in terrestrial vertebrates

Santini, Luca; Isaac, Nick J.B. ORCID: https://orcid.org/0000-0002-4869-8052; Ficetola, Gentile Francesco. 2018 TetraDENSITY: a database of population density estimates in terrestrial vertebrates. Global Ecology and Biogeography, 27 (7). 787-791. https://doi.org/10.1111/geb.12756

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Abstract/Summary

Motivation: Population density is a key demographic parameter influencing many ecological processes, and macroecology has described both intra‐ and interspecific patterns of variation. Population density data are expensive to collect and contain many forms of noise and potential bias; these factors have impeded investigation of macroecological patterns, and many hypotheses remain largely unexplored. Population density also represents fundamental information for conservation, because it underlies population dynamics and, ultimately, extinction risk. Here we present TetraDENSITY, an extensive dataset with >18,000 records of density estimates for terrestrial vertebrates, in order to facilitate new research on this topic. Main types of variable contained: The dataset includes taxonomic information on species, population density estimate, year of data collection, season, coordinates of the locality, locality name, habitat, sampling method and sampling area. Spatial location and grain: Global. Spatial accuracy varies across studies; conservatively, it can be considered at 1°, but for many data it is much finer. Time period and grain: From 1926 to 2017. Temporal accuracy is yearly in most cases, but studies with higher temporal resolution (season, month) are also present. Major taxa and level of measurement: Amphibians in terrestrial phase, reptiles, birds and mammals. Estimates derive from multiple methods, reflecting the study taxon, location and techniques available at the time of density estimation.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1111/geb.12756
UKCEH and CEH Sections/Science Areas:	Biodiversity (Science Area 2017-)
ISSN:	1466-822X
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
Additional Keywords:	abundance, amphibians, birds, density, mammals, reptiles
NORA Subject Terms:	Ecology and Environment Data and Information
Date made live:	02 Aug 2018 10:12 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/520429

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