Evidence map›Paper›PMID 36067289›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2022

The evolution of insular woodiness.

Alexander Zizka, Renske E Onstein, Roberto Rozzi, Patrick Weigelt, Holger Kreft, Manuel J Steinbauer, Helge Bruelheide, Frederic Lens

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. 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. Speciation and evolution of growth form inFrontiers in plant science · 2024
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  20. Review
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

8 authors.

Alexander ZizkaBiodiversity of Plants Lab, Department of Biology, Philipps-University Marburg, 35043 Marburg, Germany.ORCID 0000-0002-1680-9192
Renske E OnsteinGerman Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, 04103 Leipzig, Germany.ORCID 0000-0002-2295-3510
Roberto RozziGerman Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, 04103 Leipzig, Germany.ORCID 0000-0001-7325-8019
Patrick WeigeltBiodiversity, Macroecology & Biogeography, University of Göttingen, 37077 Göttingen, Germany.ORCID 0000-0002-2485-3708
Holger KreftBiodiversity, Macroecology & Biogeography, University of Göttingen, 37077 Göttingen, Germany.ORCID 0000-0003-4471-8236
Manuel J SteinbauerBayreuth Center of Ecology and Environmental Research, University of Bayreuth, 95447 Bayreuth, Germany.ORCID 0000-0002-7142-9272
Helge BruelheideGerman Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, 04103 Leipzig, Germany.ORCID 0000-0003-3135-0356
Frederic LensFunctional Traits, Naturalis Biodiversity Center, 2333 CR Leiden, The Netherlands.ORCID 0000-0002-5001-0149

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Insular woodiness (IW)-the evolutionary transition from herbaceousness toward woodiness on islands-is one of the most iconic features of island floras. Since pioneering work by Darwin and Wallace, a number of drivers of IW have been proposed, such as 1) competition for sunlight requiring plants with taller and stronger woody stems and 2) drought favoring woodiness to safeguard root-to-shoot water transport. Alternatively, IW may be the indirect result of increased lifespan related to 3) a favorable aseasonal climate and/or 4) a lack of large native herbivores. However, information on the occurrence of IW is fragmented, hampering tests of these potential drivers. Here, we identify 1,097 insular woody species on 375 islands and infer at least 175 evolutionary transitions on 31 archipelagos, concentrated in six angiosperm families. Structural equation models reveal that the insular woody species richness on oceanic islands correlates with a favorable aseasonal climate, followed by increased drought and island isolation (approximating competition). When continental islands are also included, reduced herbivory pressure by large native mammals, increased drought, and island isolation are most relevant. Our results illustrate different trajectories leading to rampant convergent evolution toward IW and further emphasize archipelagos as natural laboratories of evolution, where similar abiotic or biotic conditions replicated evolution of similar traits.

Indexed as

IslandsWoodBiological EvolutionClimateOceans and SeasPlantsdroughtisland syndromephylogenetically derived woodinesssecondary woodinesswood formation

Identifiers

PMID36067289
PMCPMC9478640

What OpenQuestion holds

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Registered trials

None linked

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.