Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/51666
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dc.contributor.authorCooper, Christine Elizabethen
dc.contributor.authorWithers, Philip Carewen
dc.contributor.authorKörtner, Gerharden
dc.contributor.authorGeiser, Fritzen
dc.date.accessioned2022-04-21T23:22:05Z-
dc.date.available2022-04-21T23:22:05Z-
dc.date.issued2020-10-
dc.identifier.citationThe Journal of Experimental Biology, 223(19), p. 1-10en
dc.identifier.issn1477-9145en
dc.identifier.issn0022-0949en
dc.identifier.urihttps://hdl.handle.net/1959.11/51666-
dc.description.abstract<p>Insensible evaporative water loss (EWL) at or below thermoneutrality is generally assumed to be a passive physical process. However, some arid zone mammals and a single arid zone bird can control their insensible water loss, so we tested the hypothesis that the same is the case for two parrot species from a mesic habitat. We investigated red-rumped parrots (<i>Psephotus haematonotus</i>) and eastern rosellas (<i>Platycercus eximius</i>), measuring their EWL, and other physiological variables, at a range of relative humidities at ambient temperatures of 20 and 30°C (below and at thermoneutrality). We found that, despite a decrease in EWL with increasing relative humidity, rates of EWL were not fully accounted for by the water vapour deficit between the animal and its environment, indicating that the insensible EWL of both parrots was controlled. It is unlikely that this deviation from physical expectations was regulation with a primary role for water conservation because our mesic-habitat parrots had equivalent regulatory ability as the arid habitat budgerigar (<i>Melopsittacus undulatus</i>). This, together with our observations of body temperature and metabolic rate, instead support the hypothesis that acute physiological control of insensible water loss serves a thermoregulatory purpose for endotherms. Modification of both cutaneous and respiratory avenues of evaporation may be involved, possibly via modification of expired air temperature and humidity, and surface resistance.</p>en
dc.languageenen
dc.publisherThe Company of Biologists Ltden
dc.relation.ispartofThe Journal of Experimental Biologyen
dc.titleDoes control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?en
dc.typeJournal Articleen
dc.identifier.doi10.1242/jeb.229930en
dc.identifier.pmid32747451en
dcterms.accessRightsBronzeen
local.contributor.firstnameChristine Elizabethen
local.contributor.firstnamePhilip Carewen
local.contributor.firstnameGerharden
local.contributor.firstnameFritzen
local.relation.isfundedbyARCen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailgkoertne@une.edu.auen
local.profile.emailfgeiser@une.edu.auen
local.output.categoryC1en
local.grant.numberDP160103627en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.publisher.placeUnited Kingdomen
local.identifier.runningnumberjeb229930en
local.format.startpage1en
local.format.endpage10en
local.identifier.scopusid85092681052en
local.peerreviewedYesen
local.identifier.volume223en
local.identifier.issue19en
local.access.fulltextYesen
local.contributor.lastnameCooperen
local.contributor.lastnameWithersen
local.contributor.lastnameKörtneren
local.contributor.lastnameGeiseren
dc.identifier.staffune-id:gkoertneen
dc.identifier.staffune-id:fgeiseren
local.profile.orcid0000-0001-8230-0709en
local.profile.orcid0000-0001-7621-5049en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1959.11/51666en
local.date.onlineversion2020-10-01-
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleDoes control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.relation.grantdescriptionARC/DP160103627en
local.search.authorCooper, Christine Elizabethen
local.search.authorWithers, Philip Carewen
local.search.authorKörtner, Gerharden
local.search.authorGeiser, Fritzen
local.uneassociationYesen
local.atsiresearchNoen
local.sensitive.culturalNoen
local.identifier.wosid000582938000021en
local.year.available2020en
local.year.published2020en
local.fileurl.closedpublishedhttps://rune.une.edu.au/web/retrieve/fc049d62-af20-470e-bbeb-c06c2cf8cdbeen
local.subject.for2020310907 Animal physiological ecologyen
local.subject.for2020310912 Comparative physiologyen
local.subject.seo2020180606 Terrestrial biodiversityen
Appears in Collections:Journal Article
School of Environmental and Rural Science
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