2020
DOI: 10.1101/2020.07.03.186346
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Using DNA metabarcoding to investigate diet and niche partitioning in the native European otter (Lutra lutra) and invasive American mink (Neovison vison)

Abstract: AbstractIn the UK, the native European otter (Lutra lutra) and invasive American mink (Neovison vison) have experienced parallel declines and expansions. Currently, the otter is recovering from persecution and waterway pollution, whereas the mink is in decline due to population control and probable interspecific interaction with the otter. We explored the potential of DNA metabarcoding for investigating diet and niche partit… Show more

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Cited by 3 publications
(2 citation statements)
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References 78 publications
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“…Previous studies have used DNA sequencing of feces to monitor the population of threatened and elusive animals such as snow leopards and grizzly bears, and more recently to identify populations of African elephants to aid in identifying illegal ivory trading routes (Janečka et al, 2008; Phoebus et al, 2020; Wasser et al, 2004, 2015). Fecal sampling has also been used to identify the contents of animal diets, such as in rodents, hares, and even river otters (Buglione et al, 2018; Cloutier et al, 2019; Elliott et al, 2020; Harper et al, 2020), but has focused primarily on community identification, and in the context of the host diet rather than the ecology of community members.…”
Section: Introductionmentioning
confidence: 99%
“…Previous studies have used DNA sequencing of feces to monitor the population of threatened and elusive animals such as snow leopards and grizzly bears, and more recently to identify populations of African elephants to aid in identifying illegal ivory trading routes (Janečka et al, 2008; Phoebus et al, 2020; Wasser et al, 2004, 2015). Fecal sampling has also been used to identify the contents of animal diets, such as in rodents, hares, and even river otters (Buglione et al, 2018; Cloutier et al, 2019; Elliott et al, 2020; Harper et al, 2020), but has focused primarily on community identification, and in the context of the host diet rather than the ecology of community members.…”
Section: Introductionmentioning
confidence: 99%
“…This approach, therefore, virtually enables the identification of all organisms contained in a sample [2,11]. Although it cannot provide information on prey size or life cycle stage nor it is immune to prey taxa retention due to differential digestion and gut transition times, DNA metabarcoding perpetuates non-invasiveness, offers high taxonomic resolution, and has high sensitivity towards soft, highly degraded, and rare prey species [12][13][14]. Since its inception, DNA metabarcoding has been successfully applied in dietary studies of many species, including fish, and provided encouraging results [12,15,16].…”
Section: Introductionmentioning
confidence: 99%