Substantial plasticity of reproduction and parental care in response to local resource availability in a wild clownfish population

Barbasch, Tina A., Rueger, Theresa, Srinivasan, Maya, Wong, Marian Y.L., Jones, Geoffrey P., and Buston, Peter M. (2020) Substantial plasticity of reproduction and parental care in response to local resource availability in a wild clownfish population. Oikos, 129 (12). pp. 1844-1855.

[img] PDF (Published Version) - Published Version
Restricted to Repository staff only

View at Publisher Website: https://doi.org/10.1111/oik.07674
 
2
1


Abstract

Plasticity, the capacity of individuals to respond to changing environments by modifying traits, may be critically important for population persistence by allowing for adaptive responses on shorter timescales than genetic change. Here, we use the clown anemonefishAmphiprion percula, whose access to resources is constrained by their anemones, to test the role of plasticity in generating variation in reproductive success among groups. We surveyed a wild clownfish population and found positive correlations between anemone area, fish size, reproduction and parental care. We used structural equation modeling to test the hypothesis that these correlations emanate from variation in anemone area and found support for a pathway linking anemone area to female investment, female investment to male investment and male investment to embryo survival. Next, we experimentally tested whether plasticity in response to resource availability can result in variation in parental traits using a feeding manipulation and found substantial plasticity in reproduction and parental care in response to changes in the availability of food resources. The results of this study reveal the role of plasticity in response to local resource availability in generating variation among individuals in reproductive strategies, linking studies of behavior and demography in this model species, and ultimately contributing to our ability to predict how populations might cope with environmental changes.

Item ID: 64467
Item Type: Article (Research - C1)
ISSN: 1600-0706
Keywords: Amphiprion percula, habitat quality, parental investment, plasticity, reproduction, resource availability
Copyright Information: © 2020 Nordic Society Oikos. Published by John Wiley & Sons Ltd.
Date Deposited: 23 Sep 2020 07:50
FoR Codes: 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310305 Marine and estuarine ecology (incl. marine ichthyology) @ 100%
Downloads: Total: 1
More Statistics

Actions (Repository Staff Only)

Item Control Page Item Control Page