Impact of ontogenetic dietary shifts on the food-transmitted intestinal parasite communities of two lake salmonids

Published: 10-06-2020| Version 1 | DOI: 10.17632/xrsd8xt8yb.1
Contributors:
Sebastian Prati,
Eirik Henriksen,
Rune Knudsen,
Per-Arne Amundsen

Description

Raw data used for the paper "Impact of ontogenetic dietary shifts on the food-transmitted intestinal parasite communities of two lake salmonids". The study investigates whether changes in the intestinal parasite communities of Arctic charr and brown trout are related to ontogenetic shifts in diet and if these changes are due to variations in parasite taxa composition or changes in the relative abundance of acquired parasites. We firstly hypothesized that both salmonid species show distinct changes in the structure of their intestinal parasite communities related to their expected ontogenetic dietary shifts. Secondly, we hypothesized that variability in the structure of the intestinal parasite community in the generalist Arctic charr is driven by changes in the relative abundance of the parasite assemblages, while that of the specialist brown trout having more pronounced ontogenetic dietary shifts, to a larger extent is affected by changes in parasite taxa composition. Descriptive and statistical analyses were performed with the open-source software Rstudio (version 1.1.423, Rstudio Inc.) based on R (version 3.5.1, R Core Team) and the R based software QPweb (version 1.0.14, Reiczigel et al. (2019)), for further details on the methodology used, please refer to our publication.

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