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Predatory interactions between prey affect patch selection by predators

Overview of attention for article published in Behavioral Ecology and Sociobiology, March 2017
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Title
Predatory interactions between prey affect patch selection by predators
Published in
Behavioral Ecology and Sociobiology, March 2017
DOI 10.1007/s00265-017-2288-2
Pubmed ID
Authors

Yasuyuki Choh, Maurice W. Sabelis, Arne Janssen

Abstract

When predators can use several prey species as food sources, they are known to select prey according to foraging efficiency and food quality. However, interactions between the prey species may also affect prey choice, and this has received limited attention. The effect of one such interaction, intraguild predation between prey, on patch selection by predators was studied here. The predatory mite Neoseiulus californicus preys on young larvae of the western flower thrips Frankliniella occidentalis and on all stages of the two-spotted spider mite Tetranychus urticae. The two prey species co-occur on several plant species, on which they compete for resources, and western flower thrips feed on eggs of the spider mites. A further complicating factor is that the thrips can also feed on the eggs of the predator. We found that performance of the predatory mite was highest on patches with spider mites, intermediate on patches with spider mites plus thrips larvae and lowest on patches with thrips larvae alone. Patch selection and oviposition preference of predators matched performance: predators preferred patches with spider mites over patches with spider mites plus thrips. Patches with thrips only were not significantly more attractive than empty patches. We also investigated the cues involved in patch selection and found that the attractiveness of patches with spider mites was significantly reduced by the presence of cues associated with killed spider mite eggs. This explains the reduced attractiveness of patches with both prey. Our results point at the importance of predatory interactions among prey species for patch selection by predators. Patch selection by predators is known to be affected by factors such as prey quality, the presence of competitors and predators, but little is known on the effects of interactions among prey species present on patch selection. In this paper, we show that patch selection by a predator is affected by such interactions, specifically by the feeding of one prey species on eggs of the other.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 3%
Unknown 38 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 18%
Student > Master 6 15%
Researcher 6 15%
Professor 4 10%
Student > Bachelor 3 8%
Other 4 10%
Unknown 9 23%
Readers by discipline Count As %
Agricultural and Biological Sciences 21 54%
Biochemistry, Genetics and Molecular Biology 1 3%
Mathematics 1 3%
Immunology and Microbiology 1 3%
Psychology 1 3%
Other 1 3%
Unknown 13 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 16 March 2017.
All research outputs
#21,164,509
of 23,815,455 outputs
Outputs from Behavioral Ecology and Sociobiology
#2,900
of 3,148 outputs
Outputs of similar age
#271,145
of 309,980 outputs
Outputs of similar age from Behavioral Ecology and Sociobiology
#40
of 44 outputs
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So far Altmetric has tracked 3,148 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.0. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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