Decreased solar radiation and increased temperature combine to facilitate fouling by marine non-indigenous species

Tae Won Kim, Fiorenza Micheli

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Studies of the effects of climate changes on marine biofouling have mainly focused on the effects of temperature increase, but a decrease in the level of solar radiation could also influence the establishment and persistence of fouling species. To test if decreased solar radiation and/or increased temperature influenced marine fouling communities, solar radiation, and temperature were manipulated by deploying shading devices in the intertidal zone of a central California estuary. Non-indigenous species (NIS) recruiting to artificial substrata had greater coverage under the shading treatments than under transparent plates, indicating that low radiation facilitates recruitment and growth of NIS. In contrast, the coverage of NIS underneath warmer black plates was higher than that on white plates. Furthermore, spatial comparisons of recruitment showed that NIS had a tendency to grow better in the warmer region of the estuary whereas native species showed the opposing trend. The results suggest that both lower radiation and higher temperature may facilitate the spread of marine NIS.

Original languageEnglish
Pages (from-to)501-512
Number of pages12
JournalBiofouling
Volume29
Issue number5
DOIs
StatePublished - May 2013
Externally publishedYes

Bibliographical note

Funding Information:
The authors would like to give special thanks to Juhyun (Jessie) Jeon, Joonghan Jeon, Tara Smithee, and Serena Sgarzi for their tremendous field assistance and helpful discussions. They also thank Kerstin Wasson and Elkhorn Slough National Estuarine Research Reserve for logistical support and cooperation for this study. They are also grateful to 4 anonymous reviewers for improving the manuscript with valuable comments. Thanks also go to Steve Litvin, Kerstin Wasson, and James Watanabe for commenting on this study and the earlier version of the manuscript. This study was supported by a Chambers Fellowship and setup funds from Stanford University to F. Micheli. T.W. Kim was supported by the National Research Foundation Grants funded by the Korean Government (Ministry of Education, Science and Technology, NRF-2010-357-C00129).

Keywords

  • climate change
  • fouling community
  • global dimming
  • non-indigenous species
  • solar radiation
  • temperature

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