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Enhanced understanding of ectoparasite–host trophic linkages on coral reefs through stable isotope analysis

Overview of attention for article published in International Journal for Parasitology: Parasites and Wildlife, January 2015
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Title
Enhanced understanding of ectoparasite–host trophic linkages on coral reefs through stable isotope analysis
Published in
International Journal for Parasitology: Parasites and Wildlife, January 2015
DOI 10.1016/j.ijppaw.2015.01.002
Pubmed ID
Authors

Amanda W.J. Demopoulos, Paul C. Sikkel

Abstract

Parasitism, although the most common type of ecological interaction, is usually ignored in food web models and studies of trophic connectivity. Stable isotope analysis is widely used in assessing the flow of energy in ecological communities and thus is a potentially valuable tool in understanding the cryptic trophic relationships mediated by parasites. In an effort to assess the utility of stable isotope analysis in understanding the role of parasites in complex coral-reef trophic systems, we performed stable isotope analysis on three common Caribbean reef fish hosts and two kinds of ectoparasitic isopods: temporarily parasitic gnathiids (Gnathia marleyi) and permanently parasitic cymothoids (Anilocra). To further track the transfer of fish-derived carbon (energy) from parasites to parasite consumers, gnathiids from host fish were also fed to captive Pederson shrimp (Ancylomenes pedersoni) for at least 1 month. Parasitic isopods had δ(13)C and δ(15)N values similar to their host, comparable with results from the small number of other host-parasite studies that have employed stable isotopes. Adult gnathiids were enriched in (15)N and depleted in (13)C relative to juvenile gnathiids, providing insights into the potential isotopic fractionation associated with blood-meal assimilation and subsequent metamorphosis. Gnathiid-fed Pedersen shrimp also had δ(13)C values consistent with their food source and enriched in (15)N as predicted due to trophic fractionation. These results further indicate that stable isotopes can be an effective tool in deciphering cryptic feeding relationships involving parasites and their consumers, and the role of parasites and cleaners in carbon transfer in coral-reef ecosystems specifically.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 67 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 1%
Kenya 1 1%
Canada 1 1%
Unknown 64 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 19 28%
Researcher 10 15%
Other 7 10%
Student > Master 7 10%
Student > Bachelor 5 7%
Other 8 12%
Unknown 11 16%
Readers by discipline Count As %
Agricultural and Biological Sciences 28 42%
Environmental Science 13 19%
Chemistry 4 6%
Biochemistry, Genetics and Molecular Biology 4 6%
Earth and Planetary Sciences 3 4%
Other 2 3%
Unknown 13 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 31 May 2015.
All research outputs
#16,387,242
of 25,870,940 outputs
Outputs from International Journal for Parasitology: Parasites and Wildlife
#433
of 703 outputs
Outputs of similar age
#202,917
of 362,005 outputs
Outputs of similar age from International Journal for Parasitology: Parasites and Wildlife
#14
of 21 outputs
Altmetric has tracked 25,870,940 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 703 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.9. This one is in the 34th percentile – i.e., 34% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 362,005 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 21 others from the same source and published within six weeks on either side of this one. This one is in the 33rd percentile – i.e., 33% of its contemporaries scored the same or lower than it.