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Biological Invasions

, Volume 21, Issue 1, pp 27–36 | Cite as

A seaweed increases ecosystem multifunctionality when invading bare mudflats

  • Mads S. Thomsen
  • Aaron P. RamusEmail author
  • Zachary T. Long
  • Brian R. Silliman
Invasion Note

Introduction

One of the most successful marine invaders worldwide is the seaweed Gracilaria vermiculophylla (Gulbransen et al. 2013; Hu and Juan 2014; Thomsen et al. 2016b). A highly variable abundance of Gracilaria in many different invaded habitats and bioregions has motivated researchers to quantify impacts on a variety of ecological response variables (Gulbransen and McGlathery 2013; Thomsen et al. 2013; Davoult et al. 2017). Ramus et al. ( 2017) therefore used a manipulative field experiment to test for density-dependent effects of Gracilaria on 11 ecosystem functions (see Fig.  1 for a description of the functions). From their experiment and analyses, Ramus et al. concluded that in comparison to bare mudflats, Gracilaria increases multiple ecosystem functions (Figs.  2H and S2E in Ramus et al. 2017).

Keywords

Biodiversity Ecosystem engineer Ecosystem functioning Experimental designs Facilitation Foundation species Gracilaria vermiculophylla 

Notes

Acknowledgements

We thank two reviewers for comments that improved this manuscript.

Supplementary material

10530_2018_1823_MOESM1_ESM.pdf (5.1 mb)
Supplementary material 1 (PDF 5,191 kb)

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Mads S. Thomsen
    • 1
    • 2
  • Aaron P. Ramus
    • 3
    Email author
  • Zachary T. Long
    • 3
  • Brian R. Silliman
    • 4
  1. 1.Marine Ecology Research Group, School of Biological SciencesUniversity of CanterburyChristchurchNew Zealand
  2. 2.Oceans Institute and School of Plant BiologyUniversity of Western AustraliaPerthAustralia
  3. 3.Department of Biology and Marine BiologyUniversity of North Carolina WilmingtonWilmingtonUSA
  4. 4.Division of Marine Science and Conservation, Nicholas School of the EnvironmentDuke UniversityBeaufortUSA

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