干旱区生态环境知识资源中心(Arid): Does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?

Arid

DOI	10.1242/jeb.229930
	Does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?
	Cooper, Christine Elizabeth; Withers, Philip Carew; Kortner, Gerhard; Geiser, Fritz
通讯作者	Cooper, CE
来源期刊	JOURNAL OF EXPERIMENTAL BIOLOGY
ISSN	0022-0949
EISSN	1477-9145
出版年	2020
卷号	223 期号:19
英文摘要	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 (Psephotus haematonotus) and eastern rosellas (Platycercus eximius), measuring their EWL, and other physiological variables, at a range of relative humidities at ambient temperatures of 20 and 30 degrees 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 (Melopsittacus undulatus). 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.
英文关键词	Body temperature Evaporative water loss Humidity Metabolic rate Physiological control Respirometry Thermoregulation Water balance Water vapour pressure
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000582938000021
WOS关键词	SPARROWS PASSER-DOMESTICUS ; STRATUM-CORNEUM ; CUTANEOUS EVAPORATION ; AMBIENT-TEMPERATURE ; EXPIRED AIR ; EXHALED AIR ; HUMIDITY ; DESERT ; VENTILATION ; PHYSIOLOGY
WOS类目	Biology
WOS研究方向	Life Sciences & Biomedicine - Other Topics
来源机构	University of Western Australia
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327166
作者单位	[Cooper, Christine Elizabeth; Withers, Philip Carew] Curtin Univ, Sch Mol & Life Sci, Perth, WA 6102, Australia; [Cooper, Christine Elizabeth; Withers, Philip Carew] Univ Western Australia, Sch Biol Sci, Perth, WA 6009, Australia; [Cooper, Christine Elizabeth; Withers, Philip Carew; Kortner, Gerhard; Geiser, Fritz] Univ New England, Ctr Behav & Physiol Ecol, Zool, Armidale, NSW 2351, Australia
推荐引用方式 GB/T 7714	Cooper, Christine Elizabeth,Withers, Philip Carew,Kortner, Gerhard,et al. Does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?[J]. University of Western Australia,2020,223(19).
APA	Cooper, Christine Elizabeth,Withers, Philip Carew,Kortner, Gerhard,&Geiser, Fritz.(2020).Does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?.JOURNAL OF EXPERIMENTAL BIOLOGY,223(19).
MLA	Cooper, Christine Elizabeth,et al."Does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?".JOURNAL OF EXPERIMENTAL BIOLOGY 223.19(2020).