Biofilm history and oxygen availability interact to affect habitat selection in a marine invertebrate

Lagos, Marcelo E., White, Craig R. and Marshall, Dustin J. (2016) Biofilm history and oxygen availability interact to affect habitat selection in a marine invertebrate. Biofouling, 32 6: 645-655. doi:10.1080/08927014.2016.1178725


Author Lagos, Marcelo E.
White, Craig R.
Marshall, Dustin J.
Title Biofilm history and oxygen availability interact to affect habitat selection in a marine invertebrate
Journal name Biofouling   Check publisher's open access policy
ISSN 0892-7014
1029-2454
Publication date 2016-05-12
Year available 2016
Sub-type Article (original research)
DOI 10.1080/08927014.2016.1178725
Open Access Status Not Open Access
Volume 32
Issue 6
Start page 645
End page 655
Total pages 11
Place of publication Abingdon, Oxfordshire, United Kingdom
Publisher Taylor & Francis
Collection year 2017
Language eng
Formatted abstract
In marine systems, oxygen availability varies at small temporal and spatial scales, such that current oxygen levels may not reflect conditions of the past. Different studies have shown that marine invertebrate larvae can select settlement sites based on local oxygen levels and oxygenation history of the biofilm, but no study has examined the interaction of both. The influence of normoxic and hypoxic water and oxygenation history of biofilms on pre-settlement behavior and settlement of the bryozoan Bugula neritina was tested. Larvae used cues in a hierarchical way: the oxygen levels in the water prime larvae to respond, the response to different biofilms is contingent on oxygen levels in the water. When oxygen levels varied throughout biofilm formation, larvae responded differently depending on the history of the biofilm. It appears that B. neritina larvae integrate cues about current and historical oxygen levels to select the appropriate microhabitat and maximize their fitness.
Keyword Bryozoans
Hypoxia
Normoxia
Settlement
Larvae
Behavior
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Biological Sciences Publications
 
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