Evidence map›Paper›PMID 30252195›Full record

ArticleEcology letters2018

Transient LTRE analysis reveals the demographic and trait-mediated processes that buffer population growth.

Adriana A Maldonado-Chaparro, Daniel T Blumstein, Kenneth B Armitage, Dylan Z Childs

Abstract read
In one paragraph

Article in Ecology letters, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing 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

7 citing papers in PubMed.

  1. Disentangling the contributions of density dependence and independence to population growth rates.Ecological applications : a publication of the Ecological Society of America · 2026
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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

4 authors.

Adriana A Maldonado-ChaparroDepartment of Ecology and Evolutionary Biology, University of California, 621 Charles E. Young Drive South, Los Angeles, CA, 90095-1606, USA.
Daniel T BlumsteinDepartment of Ecology and Evolutionary Biology, University of California, 621 Charles E. Young Drive South, Los Angeles, CA, 90095-1606, USA.
Kenneth B ArmitageDepartment of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS, 66045, USA.
Dylan Z ChildsDepartment of Animal and Plant Sciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Temporal variation in environmental conditions affects population growth directly via its impact on vital rates, and indirectly through induced variation in demographic structure and phenotypic trait distributions. We currently know very little about how these processes jointly mediate population responses to their environment. To address this gap, we develop a general transient life table response experiment (LTRE) which partitions the contributions to population growth arising from variation in (1) survival and reproduction, (2) demographic structure, (3) trait values and (4) climatic drivers. We apply the LTRE to a population of yellow-bellied marmots (Marmota flaviventer) to demonstrate the impact of demographic and trait-mediated processes. Our analysis provides a new perspective on demographic buffering, which may be a more subtle phenomena than is currently assumed. The new LTRE framework presents opportunities to improve our understanding of how trait variation influences population dynamics and adaptation in stochastic environments.

Indexed as

MarmotaPopulation GrowthAnimalsDemographyLife TablesPhenotypePopulation DynamicsEnvironmental variationintegral projection modelslife table response experimentspopulation dynamicstrait-mediated effects

Identifiers

PMID30252195
PMCPMC6849557

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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.