Evidence map›Paper›PMID 31591246›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2019

Early hominins evolved within non-analog ecosystems.

J Tyler Faith, John Rowan, Andrew Du

Abstract readHistorical Article
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2019. 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.

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  18. Contracting eastern African CScientific reports · 2021
    Article
  19. Article
  20. Tectonics, climate and the diversification of the tropical African terrestrial flora and fauna.Biological reviews of the Cambridge Philosophical Society · 2021
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors.

J Tyler FaithNatural History Museum of Utah, University of Utah, Salt Lake City, UT 84108; jfaith@nhmu.utah.edu.ORCID 0000-0002-1101-7161
John RowanOrganismic and Evolutionary Biology, University of Massachusetts, Amherst, MA 01003.ORCID 0000-0002-5062-4044
Andrew DuDepartment of Anthropology and Geography, Colorado State University, Fort Collins, CO 80523.ORCID 0000-0002-7381-5089

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Present-day African ecosystems serve as referential models for conceptualizing the environmental context of early hominin evolution, but the degree to which modern ecosystems are representative of those in the past is unclear. A growing body of evidence from eastern Africa's rich and well-dated late Cenozoic fossil record documents communities of large-bodied mammalian herbivores with ecological structures differing dramatically from those of the present day, implying that modern communities may not be suitable analogs for the ancient ecosystems of hominin evolution. To determine when and why the ecological structure of eastern Africa's herbivore faunas came to resemble those of the present, here we analyze functional trait changes in a comprehensive dataset of 305 modern and fossil herbivore communities spanning the last ∼7 Myr. We show that nearly all communities prior to ∼700 ka were functionally non-analog, largely due to a greater richness of non-ruminants and megaherbivores (species >1,000 kg). The emergence of functionally modern communities precedes that of taxonomically modern communities by 100,000s of years, and can be attributed to the combined influence of Plio-Pleistocene C

Indexed as

Biological EvolutionEcosystemAfrica, EasternAnimalsFossilsHerbivoryHistory, AncientHominidaeHumansPaleontologyfunctional traitsmegaherbivorenon-analog faunaspaleoanthropologypaleoecology

Identifiers

PMID31591246
PMCPMC6815188

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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.