Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/31530
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dc.contributor.authorMcKnight, Donald Ten
dc.contributor.authorWirth, Wytammaen
dc.contributor.authorSchwarzkopf, Linen
dc.contributor.authorNordberg, Eric Jen
dc.date.accessioned2021-09-15T04:10:52Z-
dc.date.available2021-09-15T04:10:52Z-
dc.date.issued2021-08-
dc.identifier.citationEcology and Evolution, 11(16), p. 10936-10946en
dc.identifier.issn2045-7758en
dc.identifier.urihttps://hdl.handle.net/1959.11/31530-
dc.description.abstractLeaving the water to bask (usually in the sun) is a common behavior for many freshwater turtles, with some species also engaging in "nocturnal basking." Ectoparasite removal is an obvious hypothesis to explain nocturnal basking and has also been proposed as a key driver of diurnal basking. However, the efficacy of basking, day or night, to remove leeches has not been experimentally tested. Therefore, we examined the number of leeches that were removed from Krefft's river turtles (<em>Emydura macquarii krefftii</em>) after experimentally making turtles bask at a range of times of day, durations, and temperatures. Turtles had high initial leech loads, with a mean of 32.1 leeches per turtle. Diurnal basking under a heat lamp for 3 hr at ~28°C significantly reduced numbers of leeches relative to controls. In diurnal trials, 90.9% of turtles lost leeches (mean loss of 7.1 leeches per turtle), whereas basking for 30 min under the same conditions was not effective (no turtles lost leeches, and all turtles were still visibly wet). Similarly, "nocturnal basking" at ~23°C for 3 hr was not effective at removing leeches. Only 18% of turtles lost leeches (one turtle lost one leech and another lost four leeches). Diurnal basking outdoors under direct sunlight for 20 min (mean temp = 34.5°C) resulted in a small reduction in leeches, with 50% of turtles losing leeches and an average loss of 0.7 leeches per turtle. These results indicate basking can remove leeches if temperatures are high or basking durations are long. However, it was only effective at unusually long basking durations in this system. Our data showed even the 20-min period was longer than 70.1% of natural diurnal basking events, many of which took place at cooler temperatures. Therefore, leech removal does not appear to be the purpose of the majority of basking events.en
dc.languageenen
dc.publisherJohn Wiley & Sons Ltden
dc.relation.ispartofEcology and Evolutionen
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleLeech removal is not the primary driver of basking behavior in a freshwater turtleen
dc.typeJournal Articleen
dc.identifier.doi10.1002/ece3.7876en
dc.identifier.pmid34429892en
dcterms.accessRightsUNE Greenen
local.contributor.firstnameDonald Ten
local.contributor.firstnameWytammaen
local.contributor.firstnameLinen
local.contributor.firstnameEric Jen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailenordber@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeUnited Kingdomen
local.format.startpage10936en
local.format.endpage10946en
local.peerreviewedYesen
local.identifier.volume11en
local.identifier.issue16en
local.access.fulltextYesen
local.contributor.lastnameMcKnighten
local.contributor.lastnameWirthen
local.contributor.lastnameSchwarzkopfen
local.contributor.lastnameNordbergen
dc.identifier.staffune-id:enordberen
local.profile.orcid0000-0002-1333-622Xen
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/31530en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleLeech removal is not the primary driver of basking behavior in a freshwater turtleen
local.relation.fundingsourcenoteNature Foundation SAen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorMcKnight, Donald Ten
local.search.authorWirth, Wytammaen
local.search.authorSchwarzkopf, Linen
local.search.authorNordberg, Eric Jen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/048fdded-e9ea-4ed0-aafc-0200508273a2en
local.identifier.erajournal200398en
local.uneassociationYesen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.identifier.wosid000685910200018en
local.year.published2021en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/048fdded-e9ea-4ed0-aafc-0200508273a2en
local.fileurl.openpublishedhttps://rune.une.edu.au/web/retrieve/048fdded-e9ea-4ed0-aafc-0200508273a2en
local.subject.for2020310901 Animal behaviouren
local.subject.seo2020180303 Fresh, ground and surface water biodiversityen
dc.notification.token8e98fef4-9cfe-4594-bd2c-fee8600f66a3en
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School of Environmental and Rural Science
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