The impact of individual and combined abiotic factors on daily otolith growth in a coral reef fish

Wenger, Amelia S., Whinney, James, Taylor, Brett and Kroon, Frederieke (2016) The impact of individual and combined abiotic factors on daily otolith growth in a coral reef fish. Scientific Reports, 6 . doi:10.1038/srep28875


Author Wenger, Amelia S.
Whinney, James
Taylor, Brett
Kroon, Frederieke
Title The impact of individual and combined abiotic factors on daily otolith growth in a coral reef fish
Journal name Scientific Reports   Check publisher's open access policy
ISSN 2045-2322
Publication date 2016-06-28
Sub-type Article (original research)
DOI 10.1038/srep28875
Open Access Status DOI
Volume 6
Total pages 10
Place of publication London, United Kingdom
Publisher Nature Publishing Group
Collection year 2017
Language eng
Formatted abstract
Coral reefs are increasingly subjected to both local and global stressors, however, there is limited information on how reef organisms respond to their combined effects under natural conditions. This field study examined the growth response of the damselfish Neopomacentrus bankieri to the individual and combined effects of multiple abiotic factors. Turbidity, temperature, tidal movement, and wave action were recorded every 10 minutes for four months, after which the daily otolith growth of N. bankieri was aligned with corresponding abiotic conditions. Temperature was the only significant driver of daily otolith increment width, with increasing temperatures resulting in decreasing width. Although tidal movement was not a significant driver of increment width by itself, the combined effect of tidal movement and temperature had a greater negative effect on growth than temperature alone. Our results indicate that temperature can drive changes in growth even at very fine scales, and demonstrate that the cumulative impact of abiotic factors can be substantially greater than individual effects. As abiotic factors continue to change in intensity and duration, the combined impacts of them will become increasingly important drivers of physiological and ecological change.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Earth and Environmental Sciences
 
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Created: Mon, 03 Apr 2017, 16:01:48 EST by Amelia Wenger on behalf of Learning and Research Services (UQ Library)