Abstract
AbstractFor aquatic tube dwellers, the ventilation system is an essential trait because the external structure impedes gas exchange. Their gas-exchange efficiency is determined by various environmental factors. We assessed the effect of microscale surface roughness (texture) of the inner wall of the case on the respiration of caddisfly larvae Psilotreta kisoensis Iwata (Odontoceridae:Trichoptera). We compared the O2 consumption of larvae in 2 types of cases constructed from smooth and rough artificial particles at 2 water temperatures (15 and 23°C). Larvae in smooth cases consumed more O2 than those in rough cases at 23 but not at 15°C. Larvae in rough cases exhibited no significant respiration response to water temperature. In contrast, larvae in smooth cases increased their O2 consumption as the temperature increased. In addition, the increasing degree of O2 consumption tended to be higher in lightweight immature larvae. These results indicate that a rougher surface depresses larval respiration activity...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
