The reefs of the Arctic - photoautotrophic ecosystem engineers endangered by microplastic and climate change?

Beitrag bei einer Tagung
(Abstract zum Vortrag)


Details zur Publikation

Autorinnen und Autoren: Teichert S, Löder M, Laforsch C, Pyko I, Schulbert C, Wisshak M
Jahr der Veröffentlichung: 2018


Abstract

Large areas of the Svalbard shelf are covered by rhodoliths, coralline red algal structures which form a rigid framework of magnesium calcite. They act as ecosystem engineers, comparable to corals in tropical regions. Additionally, many rhodoliths are gouged by boring mussels and become hollow ecospheres which are intensely colonised by benthic organisms. The existence of both, solid and hollow rhodoliths has a significant impact on local biodiversity.
However, this special ecosystem is threatened by the contamination with microplastic. We detected eight different types of microplastic within the bodies of the boring mussels, whereof polystyrene is the most common. If the particles are harmful to the mussels, their future role as niche providers is endangered and the consistency of the whole community is doubtful.
Furthermore, we could show that the rhodoliths themselves are endangered by climate change in terms of increased glacial runoff, as coverage with sediments and reduced transparency of the water column are significantly impairing the growth conditions of the rhodoliths. This twofold environmental deterioration will have unpredictable consequences for the associated organisms.
This special but extensive ecosystem plays a crucial role on Svalbard’s shelf biodiversity and should be included in future policy recommendations and strategic plans for biodiversity.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Pyko, Ines
Professur für Paläontologie (Schwerpunkt Faziesanalyse)
Schulbert, Christian
Lehrstuhl für Paläoumwelt
Teichert, Sebastian Dr.
Professur für Paläontologie (Schwerpunkt Faziesanalyse)


Einrichtungen weiterer Autorinnen und Autoren

Universität Bayreuth


Zitierweisen

APA:
Teichert, S., Löder, M., Laforsch, C., Pyko, I., Schulbert, C., & Wisshak, M. (2018). The reefs of the Arctic - photoautotrophic ecosystem engineers endangered by microplastic and climate change? Paper presentation at The Arctic Biodiversity Congress, Rovaniemi, FI.

MLA:
Teichert, Sebastian, et al. "The reefs of the Arctic - photoautotrophic ecosystem engineers endangered by microplastic and climate change?" Presented at The Arctic Biodiversity Congress, Rovaniemi 2018.

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Zuletzt aktualisiert 2018-17-10 um 13:38