Indirect effects of an exploited predator on recruitment of coral-reef fishes

Ecology
Christopher D Stallings

Abstract

The more ecologists examine the role of trait-mediated indirect interactions (TMIIs), especially in regulating predator-prey interactions, the more we recognize their fundamental role in structuring food webs. However, most empirical evidence for TMIIs comes from studies that are either conducted in laboratory or mesocosm venues or are restricted to simple food webs involving lower trophic-level animals. Here, I quantified the direct and indirect effects of interactions between high-level vertebrate predators on their vertebrate prey using a field experiment. Specifically, I tested how varying densities of a large-bodied, top predator (Nassau grouper; Epinephelus striatus) affected persistence, growth, and behavior of two smaller-bodied, intermediate predators (coney and graysby groupers; Cephalopholis fulva and C. cruentata) on 20 isolated patch reefs in the Bahamas. Large-bodied groupers are capable of consuming their smaller-bodied counterparts, and previous observational studies have indicated that local abundances of these groupers are negatively correlated. I measured the effects of interactions among groupers on lower trophic-level prey by quantifying recruitment of coral-reef fishes to the reefs. The field experiment de...Continue Reading

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Citations

Jul 7, 2011·PloS One·Peter J MumbyDaniel R Brumbaugh
Nov 6, 2010·Ecological Applications : a Publication of the Ecological Society of America·Julie B KellnerPeter J Mumby
Jan 1, 2010·Marine Biology·Douglas J McCauleyBoris Worm
Oct 9, 2015·Global Change Biology·Elizabeth M P MadinRobert R Warner
Feb 10, 2011·Ecology·Elizabeth M P MadinRobert R Warner
Jun 25, 2016·Marine Ecology Progress Series·Claire DellMark Hay
Apr 27, 2016·The Journal of Animal Ecology·Maria M PalaciosMark I McCormick
Aug 31, 2016·Annual Review of Marine Science·Alastair R HarbornePeter J Mumby
Apr 20, 2017·PloS One·Shanta C BarleyJessica J Meeuwig
Aug 23, 2019·PloS One·Meaghan E FalettiChristopher D Stallings
Jan 8, 2020·Proceedings of the National Academy of Sciences of the United States of America·Lynn WaterhouseBrice X Semmens
Apr 22, 2019·Global Change Biology·Matthew McLeanDavid Mouillot
Jan 14, 2017·Royal Society Open Science·Austin J GallagherAdrian C Stier
Jun 28, 2018·Oecologia·M M PalaciosM I McCormick

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