Estimating the abundance of an endangered arboreal marsupial using camera traps and an integrated species distribution model

Estimating the abundance of an endangered arboreal marsupial using camera traps and an integrated species distribution model | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Ecology and Evolution This is a preprint and has not been peer reviewed. Data may be preliminary. 4 April 2025 V1 Latest version Share on Estimating the abundance of an endangered arboreal marsupial using camera traps and an integrated species distribution model Authors : Yiyin Chang 0000-0002-3575-1619 [email protected] , Chieh Lin , and Conrad Hoskin Authors Info & Affiliations https://doi.org/10.22541/au.174375381.18783490/v1 Published Ecology and Evolution Version of record Peer review timeline 320 views 159 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Estimates of population size are fundamental for the management and conservation of threatened species. The Mahogany Glider ( Petaurus gracilis ) is an Endangered marsupial endemic to the Wet Tropics of northeastern Australia. Despite its status, there is no reliable estimate of population size. In this study, we conducted camera trapping surveys for the species and employed a Bayesian integrated species distribution model (Koshkina et al. 2017; Fidino 2021) to derive population estimates. Presence-absence data from camera trapping surveys and presence-only data from historical sighting records were included in the integrated species distribution model. The model estimated median abundance at 6,036, 4,834, and 2,820 individuals for home range estimates of 9, 16, and 25 ha, respectively. We suggest using the more conservative population estimate of about 2800 individuals, based on the 25 ha home range, because it likely best summarises density across the distribution. Using simulated data, we tested the effects of camera placement and subsampling, demonstrating that clustered camera arrangements and reduced sample sizes did not significantly affect model outcomes, with predictions primarily dependent on home range estimates. Our survey results suggest considerable spatial variation in glider density across its range. The population size estimates provide a baseline for future conservation initiatives and highlight the importance of ongoing monitoring and the application of advanced modelling techniques to inform species management. Supplementary Material File (20250403_abundancemanuscript_final.docx) Download 1.61 MB Information & Authors Information Version history V1 Version 1 04 April 2025 Peer review timeline Published Ecology and Evolution Version of Record 1 Sep 2025 Published Copyright This work is licensed under a Non Exclusive No Reuse License. Collection Ecology and Evolution Keywords population ecology statistical terrestrial vertebrate Authors Affiliations Yiyin Chang 0000-0002-3575-1619 [email protected] James Cook University View all articles by this author Chieh Lin James Cook University View all articles by this author Conrad Hoskin James Cook University View all articles by this author Metrics & Citations Metrics Article Usage 320 views 159 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Yiyin Chang, Chieh Lin, Conrad Hoskin. Estimating the abundance of an endangered arboreal marsupial using camera traps and an integrated species distribution model. Authorea . 04 April 2025. DOI: https://doi.org/10.22541/au.174375381.18783490/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . Format Please select one from the list RIS (ProCite, Reference Manager) EndNote BibTex Medlars RefWorks Direct import Tips for downloading citations document.getElementById('citMgrHelpLink').addEventListener('click', function() { popupHelp(this.href); return false; }); $(".js__slcInclude").on("change", function(e){ if ($(this).val() == 'refworks') $('#direct').prop("checked", false); $('#direct').prop("disabled", ($(this).val() == 'refworks')); }); Cited by Emmeline Bernadette Barrett Norris, Yiyin Chang, Stephen Jackson, Conrad J. Hoskin, Feasibility of nocturnal thermal drone surveys for detecting endangered mahogany gliders (Petaurus gracilis) in tropical lowland woodlands, Australian Mammalogy, 47 , 3, (2025). https://doi.org/10.1071/AM25029 Crossref Loading... View Options View options PDF View PDF Figures Tables Media Share Share Share article link Copy Link Copied! Copying failed. 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