Is spatial variation in population size structures of a stream-dwelling caddisfly due to the altered effects of a predator by a third-party species?

Is spatial variation in population size structures of a stream-dwelling caddisfly due to the... Hydrobiologia https://doi.org/10.1007/s10750-018-3674-0 PRIMARY R ESEARCH P APER Is spatial variation in population size structures of a stream- dwelling caddisfly due to the altered effects of a predator by a third-party species? . . . Kelly M. Murray David Stoker Catherine M. Pringle Troy N. Simon Received: 11 August 2017 / Revised: 22 March 2018 / Accepted: 4 April 2018 Springer International Publishing AG, part of Springer Nature 2018 Abstract Predators alter abundances and life history larvae differed between reaches in the majority of characteristics of prey, and effects of predator–prey replicate streams, with smaller median body lengths in interactions can be altered by third-party species. Killifish-Only reaches. Killifish–Guppy reaches had Here, we examine size structures of the caddisfly, higher proportions of the largest instar, but we did not Phylloicus hansoni, in Trinidadian streams with two find differences in body length within an instar. No distinct fish assemblages: upstream reaches where the evidence of size-selective predation was found predatory killifish, Anablepsoides hartii, is the only through analysis of killifish stomach contents, and fish species (Killifish-Only reaches), and downstream environmental variables were largely similar between reaches where killifish and the omnivorous guppy, upstream and downstream reaches of the five study Poecilia http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Hydrobiologia Springer Journals

Is spatial variation in population size structures of a stream-dwelling caddisfly due to the altered effects of a predator by a third-party species?

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Publisher
Springer International Publishing
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Life Sciences; Freshwater & Marine Ecology; Ecology; Zoology
ISSN
0018-8158
eISSN
1573-5117
D.O.I.
10.1007/s10750-018-3674-0
Publisher site
See Article on Publisher Site

Abstract

Hydrobiologia https://doi.org/10.1007/s10750-018-3674-0 PRIMARY R ESEARCH P APER Is spatial variation in population size structures of a stream- dwelling caddisfly due to the altered effects of a predator by a third-party species? . . . Kelly M. Murray David Stoker Catherine M. Pringle Troy N. Simon Received: 11 August 2017 / Revised: 22 March 2018 / Accepted: 4 April 2018 Springer International Publishing AG, part of Springer Nature 2018 Abstract Predators alter abundances and life history larvae differed between reaches in the majority of characteristics of prey, and effects of predator–prey replicate streams, with smaller median body lengths in interactions can be altered by third-party species. Killifish-Only reaches. Killifish–Guppy reaches had Here, we examine size structures of the caddisfly, higher proportions of the largest instar, but we did not Phylloicus hansoni, in Trinidadian streams with two find differences in body length within an instar. No distinct fish assemblages: upstream reaches where the evidence of size-selective predation was found predatory killifish, Anablepsoides hartii, is the only through analysis of killifish stomach contents, and fish species (Killifish-Only reaches), and downstream environmental variables were largely similar between reaches where killifish and the omnivorous guppy, upstream and downstream reaches of the five study Poecilia

Journal

HydrobiologiaSpringer Journals

Published: Jun 4, 2018

References

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