Estimation of Species Area Abundance from Point Abundance Data, Using Effective Detection Areas from Camera Traps

  • M R
  • Margono EJ R
  • MJA W
N/ACitations
Citations of this article
41Readers
Mendeley users who have this article in their library.

Abstract

See, stats, and : https : / / www. researchgate . net / publication / 322315505 Estimation Point , Using Detection Article DOI : 10 . 4172 / 2332 - 2543 . 1000200 CITATION 1 READS 58 3 , including : Some : Mammalian Herpetological (emerging) View project Johanna - Margono Chester 27 SEE Martijn . A . Weterings Wageningen 12 SEE All . A . Weterings . The .AbstractEstimationsofspeciesabundanceareacommongoalofwildlifemonitoringsurveys,butdebateremainsastowhichmethodsaretheoreticallyandpracticallymostuseful.Abundance-inducedheterogeneity(AIH)modelsdevelopedintheearly2000sallowedestimationofpointabundancefromrepeatedpresence-absencedata(e.g.occupancymodels),andadvancedestimationofpointabundancesofunmarkedspecies.AIHmodels,however,donotprovideanestimateoftheeffectivedetectionareasampled.Thereforetheabsolutenumberofindividualsinasurveyareacannotbeestimateddirectly.Recently,methodshavebecomeavailabletodeterminetheeffectivedetectionareasampledbycameratraps.Ourobjectivewastopresentanovelmethodtoestimatetheabsolutenumberofindividualsofaspeciesinanareafrompointabundancedatausingeffectivedetectionareasfromcameratraps.ThiswouldmakeAIHmodelsavailableforpopulationestimates.WeappliedthisnewlydevelopedSpeciesAreaAbundance(SAA)modeltoa3-monthcameratrappingdatasetofBaweanwartypigs(Susblouchi)fromIndonesia,andcomparedtheresulttoanindependentRandomEncounterModel(REM)estimatefromthesamedata.PopulationsizesanduncertaintiesestimatedbytheSAAandtheREMmodelwerecomparable.DifferencesindensityestimationsbetweentheREMandSAAmodelwerenotsignificantwhenmeangroupsizewasincludedintheREM.ThelessrestrictiveassumptionsregardingcameratrapplacementoftheSAAmodelcomparedtotheREMmightmakeitmorepracticaltostudycrypticandunmarkedanimalpopulations.FurtherstudiesareneededtodeterminetheaccuracyandpracticalityoftheSAAmodelusingarangeofdifferrentsamplingdesignsandfocusspecies.

Cite

CITATION STYLE

APA

M, R., Margono EJ, R., & MJA, W. (2017). Estimation of Species Area Abundance from Point Abundance Data, Using Effective Detection Areas from Camera Traps. Journal of Biodiversity & Endangered Species, 05(04). https://doi.org/10.4172/2332-2543.1000200

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free