eCite Digital Repository

Epibiotic pressure contributes to biofouling invader success

Citation

Leonard, K and Hewitt, CL and Campbell, ML and Primo, C and Miller, SD, Epibiotic pressure contributes to biofouling invader success, Scientific Reports, 7 Article 5173. ISSN 2045-2322 (2017) [Refereed Article]


Preview
PDF
1Mb
  

Copyright Statement

Copyright 2017 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

DOI: doi:10.1038/s41598-017-05470-2

Abstract

Reduced competition is a frequent explanation for the success of many introduced species. In benthic marine biofouling communities, space limitation leads to high rates of overgrowth competition. Some species can utilise other living organisms as substrate (epibiosis), proffering a competitive advantage for the epibiont. Additionally, some species can prevent or reduce epibiotic settlement on their surfaces and avoid being basibionts. To test whether epibiotic pressure differs between native and introduced species, we undertook ex situ experiments comparing bryozoan larval settlement to determine if introduced species demonstrate a greater propensity to settle as epibionts, and a reduced propensity to be basibionts, than native species. Here we report that introduced species opportunistically settle on any space (bare, native, or introduced), whereas native species exhibit a strong tendency to settle on and near other natives, but avoid settling on or near introduced basibionts. In addition, larvae of native species experience greater larval wastage (mortality) than introduced species, both in the presence and absence of living substrates. Introduced speciesí ability to settle on natives as epibionts, and in turn avoid epibiosis as basibionts, combined with significantly enhanced native larval wastage, provides a comprehensive suite of competitive advantages contributing to the invasion success of these biofouling species.

Item Details

Item Type:Refereed Article
Keywords:co-evolution, invasive species, epibiosis
Research Division:Environmental Sciences
Research Group:Ecological Applications
Research Field:Invasive Species Ecology
Objective Division:Environment
Objective Group:Flora, Fauna and Biodiversity
Objective Field:Marine Flora, Fauna and Biodiversity
Author:Leonard, K (Mr Kaeden Leonard)
Author:Hewitt, CL (Professor Chad Hewitt)
Author:Campbell, ML (Associate Professor Marnie Campbell)
Author:Primo, C (Dr Carmen Primo Perez)
ID Code:118493
Year Published:2017
Deposited By:IMAS - Directorate
Deposited On:2017-07-13
Last Modified:2017-08-24
Downloads:2 View Download Statistics

Repository Staff Only: item control page