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Plastic waste interferes with chemical communication in aquatic ecosystems

Title data

Trotter, Benjamin ; Ramsperger, Anja ; Raab, Patricia ; Haberstroh, Julia ; Laforsch, Christian:
Plastic waste interferes with chemical communication in aquatic ecosystems.
In: Scientific Reports. Vol. 9 (10 April 2019) . - No. 5889.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-019-41677-1

Project information

Project title:
Project's official titleProject's id
Sonderforschungsbereich 1357 ​Mikroplastik Verständnis der Mechanismen und Prozesse der biologischen Effekte, des Transports und der Bildung: Von Modell- zu komplexen Systemen als Grundlage neuer LösungsansätzeDFG – Projektnummer 391977956 – SFB 1357
Effects of microplastics on the model organism DaphniaDBU AZ 20015/387

Project financing: Deutsche Forschungsgemeinschaft
Andere
Deutsche Bundesstiftung Umwelt

Abstract in another language

nvironmental pollution with plastic waste has gained increasing attention, as the contamination of aquatic habitats poses a challenge to these ecosystems. Plastic waste has direct negative effects on animals such as reduced growth rate, fecundity or life span. However, the indirect effects of plastic waste, which has the ability to sorb chemicals from the surrounding media, on chemical communication have yet to be investigated. Chemical communication is crucial for aquatic organisms, e.g., to avoid predation. The planktonic water flea Daphnia (Crustacea), an important link between trophic levels, relies on info-chemicals (kairomones) to assess its current predation risk and to form inducible defences. We show that plastic waste, composed of high-density polyethylene (HDpe) and polyethylene terephthalate (pet) interferes with the formation of inducible defences in Daphnia longicephala when exposed to a combination of kairomones of Notonecta glauca and plastic waste. D. longicephala shows a reduction in all defensive traits, including body length, crest width and time until primiparity, compared to exposure to solely kairomone conditioned media. plastic waste in the absence of kairomones had no effect on defensive traits. Since it is vital to adjust these defences to the current predation risk, any misperception can have far-reaching ecological consequences. therefore, plastic waste can have indirect effects on organisms, which may manifest at the community level.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I > Chair Animal Ecology I - Univ.-Prof. Dr. Christian Laforsch
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Ecology and the Environmental Sciences
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions > Collaborative Research Centers, Research Unit > SFB 1357 - MIKROPLASTIK
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 570 Life sciences, biology
Date Deposited: 21 Nov 2019 08:19
Last Modified: 21 Nov 2019 08:19
URI: https://eref.uni-bayreuth.de/id/eprint/53360