Evidence map›Paper›PMID 26278333›Full record

ArticleScientific reports2015

Co-extinction in a host-parasite network: identifying key hosts for network stability.

Tad Dallas, Emily Cornelius

Abstract read
In one paragraph

Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed.

  1. Article
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  11. Spatial variation in species' roles in host-helminth networks.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
  12. Predictions of primate-parasite coextinction.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
  13. Infectious disease macroecology: parasite diversity and dynamics across the globe.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
  14. The ghost of hosts past: impacts of host extinction on parasite specificity.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Tad DallasOdum School of Ecology, University of Georgia, Athens, GA 30606 - 4288.
Emily CorneliusForest and Wildlife Ecology, University of Wisconsin, Madison, WI 53706-1799.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Parasites comprise a substantial portion of total biodiversity. Ultimately, this means that host extinction could result in many secondary extinctions of obligate parasites and potentially alter host-parasite network structure. Here, we examined a highly resolved fish-parasite network to determine key hosts responsible for maintaining parasite diversity and network structure (quantified here as nestedness and modularity). We evaluated four possible host extinction orders and compared the resulting co-extinction dynamics to random extinction simulations; including host removal based on estimated extinction risk, parasite species richness and host level contributions to nestedness and modularity. We found that all extinction orders, except the one based on realistic extinction risk, resulted in faster declines in parasite diversity and network structure relative to random biodiversity loss. Further, we determined species-level contributions to network structure were best predicted by parasite species richness and host family. Taken together, we demonstrate that a small proportion of hosts contribute substantially to network structure and that removal of these hosts results in rapid declines in parasite diversity and network structure. As network stability can potentially be inferred through measures of network structure, our findings may provide insight into species traits that confer stability.

Indexed as

AnimalsBiodiversityBrazilComputer SimulationFishesHost-Parasite InteractionsModels, BiologicalParasitesSpecies Specificity

Identifiers

PMID26278333
PMCPMC4538395

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.