spacer gif spacer gif spacer gif spacer gif spacer gif
QUICK SEARCH:   [advanced]


spacer gif
     Home     Help     Feedback     Subscriptions     Archive     Search     Table of Contents    

First published online August 22, 2008
Journal of Experimental Biology 211, 2759-2766 (2008)
Published by The Company of Biologists 2008
doi: 10.1242/jeb.019463
This Article
Right arrow Summary Freely available
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Cooper, C. E.
Right arrow Articles by Withers, P. C.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Cooper, C. E.
Right arrow Articles by Withers, P. C.
Social Bookmarking
Add to CiteULike   Add to Complore   Add to Connotea   Add to Del.icio.us   Add to Digg   Add to Reddit   Add to Technorati   Add to Twitter  
What's this?

Allometry of evaporative water loss in marsupials: implications of the effect of ambient relative humidity on the physiology of brushtail possums (Trichosurus vulpecula)

C. E. Cooper1,2,* and P. C. Withers1,2

1 Centre for Ecosystem Diversity and Dynamics in the Department of Environmental Biology, Curtin University of Technology, PO Box U1987, Perth, Western Australia, 6845
2 Zoology, School of Animal Biology, University of Western Australia, Crawley, Western Australia, 6009


Figure 1
View larger version (8K):
[in this window]
[in a new window]

  		Fig. 1. Allometric relationship for evaporative water loss (EWL) of marsupials before (filled symbols) and after (open symbols) correction for chamber water vapour pressure deficit (Torr).

 

Figure 2
View larger version (112K):
[in this window]
[in a new window]

  		Fig. 2. Posture of brushtail possums curled with nose tucked under body fur at ambient temperature (Ta)=25°C (top) and stretched out with limbs extended at Ta=30°C (bottom).

 

Figure 3
View larger version (13K):
[in this window]
[in a new window]

  		Fig. 3. Evaporative water loss (A), body temperate (B), metabolic rate (C), and wet (circles) and dry (triangles) thermal conductance (D) of brushtail possums over a range of ambient relative humidities at ambient temperatures of 25°C (open symbols) and 30°C (filled symbols). Values are means ± s.e.m. (N=6).

 

Figure 4
View larger version (4K):
[in this window]
[in a new window]

  		Fig. 4. Relationship between evaporative quotient (EQ) and ambient relative humidity for brushtail possums, at ambient temperatures of 25°C (open symbols) and 30°C (filled symbols). Values are means ± s.e.m. (N=6).

 

Figure 5
View larger version (5K):
[in this window]
[in a new window]

  		Fig. 5. Relationship between evaporative water loss and ambient water vapour pressure deficit for brushtail possums, at ambient temperatures of 25°C (open symbols) and 30°C (filled symbols). Values are means ± s.e.m. (N=6).

 

Add to CiteULike CiteULike   Add to Complore Complore   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Reddit Reddit   Add to Technorati Technorati   Add to Twitter Twitter    What's this?



© The Company of Biologists Ltd 2008