Evidence map›Paper›PMID 27044713›Full record

ArticleScientific reports2016

Breeding Young as a Survival Strategy during Earth's Greatest Mass Extinction.

Jennifer Botha-Brink, Daryl Codron, Adam K Huttenlocker, Kenneth D Angielczyk, Marcello Ruta

Abstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing 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

22 citing papers in PubMed.

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  18. Ontogeny of Polycotylid Long Bone Microanatomy and Histology.Integrative organismal biology (Oxford, England) · 2019
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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

5 authors.

Jennifer Botha-BrinkKaroo Palaeontology, National Museum, Box 266, Bloemfontein, 9300, South Africa.
Daryl CodronFlorisbad Quaternary Research, National Museum, Box 266, Bloemfontein, 9300, South Africa.
Adam K HuttenlockerDepartment of Biology, University of Utah, Salt Lake City, UT 84112, USA.
Kenneth D AngielczykIntegrative Research Center, Field Museum of Natural History, Chicago, IL 60605, USA.
Marcello RutaSchool of Life Sciences, University of Lincoln, Lincoln LN6 7DL, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Studies of the effects of mass extinctions on ancient ecosystems have focused on changes in taxic diversity, morphological disparity, abundance, behaviour and resource availability as key determinants of group survival. Crucially, the contribution of life history traits to survival during terrestrial mass extinctions has not been investigated, despite the critical role of such traits for population viability. We use bone microstructure and body size data to investigate the palaeoecological implications of changes in life history strategies in the therapsid forerunners of mammals before and after the Permo-Triassic Mass Extinction (PTME), the most catastrophic crisis in Phanerozoic history. Our results are consistent with truncated development, shortened life expectancies, elevated mortality rates and higher extinction risks amongst post-extinction species. Various simulations of ecological dynamics indicate that an earlier onset of reproduction leading to shortened generation times could explain the persistence of therapsids in the unpredictable, resource-limited Early Triassic environments, and help explain observed body size distributions of some disaster taxa (e.g., Lystrosaurus). Our study accounts for differential survival in mammal ancestors after the PTME and provides a methodological framework for quantifying survival strategies in other vertebrates during major biotic crises.

Indexed as

Biological EvolutionExtinction, BiologicalFossilsAnimalsBody SizeBone and BonesBreedingDinosaursEarth, PlanetEcologyEcosystemLife ExpectancyMammalsPopulation DynamicsRiskVertebrates

Identifiers

PMID27044713
PMCPMC4820772

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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.