Fitness response variation within and among consumer species can be co-mediated by food quantity and biochemical quality

Schälicke, Svenja; Teubner, Johannes; Martin-Creuzburg, Dominik; Wacker, Alexander

Fitness response variation within and among consumer species can be co-mediated by food quantity and biochemical quality

Dateien

Schaelicke_2-l0jnzerl8lpp0.pdfGröße: 2.04 MBDownloads: 182

Datum

2019

Autor:innen

Schälicke, Svenja

Teubner, Johannes

Martin-Creuzburg, Dominik

Wacker, Alexander

Open Access-Veröffentlichung

Open Access Gold

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Scientific Reports. 2019, 9, 16126. eISSN 2045-2322. Available under: doi: 10.1038/s41598-019-52538-2

Zusammenfassung

In natural heterogeneous environments, the fitness of animals is strongly influenced by the availability and composition of food. Food quantity and biochemical quality constraints may affect individual traits of consumers differently, mediating fitness response variation within and among species. Using a multifactorial experimental approach, we assessed population growth rate, fecundity, and survival of six strains of the two closely related freshwater rotifer species Brachionus calyciflorus sensu stricto and Brachionus fernandoi. Therefore, rotifers fed low and high concentrations of three algal species differing in their biochemical food quality. Additionally, we explored the potential of a single limiting biochemical nutrient to mediate variations in population growth response. Therefore, rotifers fed a sterol-free alga, which we supplemented with cholesterol-containing liposomes. Co-limitation by food quantity and biochemical food quality resulted in differences in population growth rates among strains, but not between species, although effects on fecundity and survival differed between species. The effect of cholesterol supplementation on population growth was strain-specific but not species-specific. We show that fitness response variations within and among species can be mediated by biochemical food quality. Dietary constraints thus may act as evolutionary drivers on physiological traits of consumers, which may have strong implications for various ecological interactions.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

SCHÄLICKE, Svenja, Johannes TEUBNER, Dominik MARTIN-CREUZBURG, Alexander WACKER, 2019. Fitness response variation within and among consumer species can be co-mediated by food quantity and biochemical quality. In: Scientific Reports. 2019, 9, 16126. eISSN 2045-2322. Available under: doi: 10.1038/s41598-019-52538-2

BibTex

@article{Schalicke2019-11-06Fitne-47550,
  year={2019},
  doi={10.1038/s41598-019-52538-2},
  title={Fitness response variation within and among consumer species can be co-mediated by food quantity and biochemical quality},
  volume={9},
  journal={Scientific Reports},
  author={Schälicke, Svenja and Teubner, Johannes and Martin-Creuzburg, Dominik and Wacker, Alexander},
  note={Article Number: 16126}
}

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    <dcterms:abstract xml:lang="eng">In natural heterogeneous environments, the fitness of animals is strongly influenced by the availability and composition of food. Food quantity and biochemical quality constraints may affect individual traits of consumers differently, mediating fitness response variation within and among species. Using a multifactorial experimental approach, we assessed population growth rate, fecundity, and survival of six strains of the two closely related freshwater rotifer species Brachionus calyciflorus sensu stricto and Brachionus fernandoi. Therefore, rotifers fed low and high concentrations of three algal species differing in their biochemical food quality. Additionally, we explored the potential of a single limiting biochemical nutrient to mediate variations in population growth response. Therefore, rotifers fed a sterol-free alga, which we supplemented with cholesterol-containing liposomes. Co-limitation by food quantity and biochemical food quality resulted in differences in population growth rates among strains, but not between species, although effects on fecundity and survival differed between species. The effect of cholesterol supplementation on population growth was strain-specific but not species-specific. We show that fitness response variations within and among species can be mediated by biochemical food quality. Dietary constraints thus may act as evolutionary drivers on physiological traits of consumers, which may have strong implications for various ecological interactions.</dcterms:abstract>
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