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dc.contributor.authorMuneza, Arthur Ben_UK
dc.contributor.authorOrtiz-Calo, Waldemaren_UK
dc.contributor.authorPacker, Craigen_UK
dc.contributor.authorCusack, Jeremy Jen_UK
dc.contributor.authorJones, Trevoren_UK
dc.contributor.authorPalmer, Meredith Sen_UK
dc.contributor.authorSwanson, Alexandraen_UK
dc.contributor.authorKosmala, Margareten_UK
dc.contributor.authorDickman, Amy Jen_UK
dc.contributor.authorMacdonald, David Wen_UK
dc.contributor.authorMontgomery, Robert Aen_UK
dc.description.abstractDeveloping techniques to quantify the spread and severity of diseases afflicting wildlife populations is important for disease ecology, animal ecology, and conservation. Giraffes (Giraffa camelopardalis) are in the midst of a dramatic decline, but it is not known whether disease is playing an important role in the broad-scale population reductions. A skin disorder referred to as giraffe skin disease (GSD) was recorded in 1995 in one giraffe population in Uganda. Since then, GSD has been detected in 13 populations in seven African countries, but good descriptions of the severity of this disease are not available. We photogrammetrically analyzed camera trap images from both Ruaha and Serengeti National Parks in Tanzania to quantify GSD severity. GSD afflicts the limbs of giraffes in Tanzania, and we quantified severity by measuring the vertical length of the GSD lesion in relation to the total leg length. Applying the Jenks natural breaks algorithm to the lesion proportions that we derived, we classified individual giraffes into disease categories (none, mild, moderate, and severe). Scaling up to the population level, we predicted the proportion of the Ruaha and Serengeti giraffe populations with mild, moderate, and severe GSD. This study serves to demonstrate that camera traps presented an informative platform for examinations of skin disease ecology.en_UK
dc.publisherWildlife Disease Associationen_UK
dc.relationMuneza AB, Ortiz-Calo W, Packer C, Cusack JJ, Jones T, Palmer MS, Swanson A, Kosmala M, Dickman AJ, Macdonald DW & Montgomery RA (2019) Quantifying the severity of giraffe skin disease via photogrammetry analysis of camera trap data. Journal of Wildlife Diseases, 55 (4), pp. 770-781.
dc.rightsThe publisher has not responded to our queries therefore this work cannot be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectCamera trapsen_UK
dc.subjectgiraffe skin diseaseen_UK
dc.titleQuantifying the severity of giraffe skin disease via photogrammetry analysis of camera trap dataen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[GSD_Severity_RNP_SNP_V5.pdf] The publisher has not responded to our queries. This work cannot be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleJournal of Wildlife Diseasesen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderNational Science Foundationen_UK
dc.contributor.affiliationMichigan State Universityen_UK
dc.contributor.affiliationMichigan State Universityen_UK
dc.contributor.affiliationUniversity of Minnesotaen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationSouthern Tanzania Elephant Programen_UK
dc.contributor.affiliationUniversity of Minnesotaen_UK
dc.contributor.affiliationUniversity of Minnesotaen_UK
dc.contributor.affiliationUniversity of Minnesotaen_UK
dc.contributor.affiliationUniversity of Oxforden_UK
dc.contributor.affiliationUniversity of Oxforden_UK
dc.contributor.affiliationMichigan State Universityen_UK
dc.description.refREF Eligible with Permitted Exceptionen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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