Evidence map›Paper›PMID 40336549›Full record

ArticleEcology and evolution2025

Founders Can Increase Determinism of Community Assembly.

Yi-Ting Cheng, Wei Deng, Xiao-Yan Yang, Kun Tan, Wen Xiao

Abstract read
In one paragraph

Article in Ecology and evolution, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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.

Yi-Ting ChengInstitute of Eastern-Himalaya Biodiversity Research Dali University Dali Yunnan China.ORCID https://orcid.org/0000-0002-4757-0217
Wei DengInstitute of Eastern-Himalaya Biodiversity Research Dali University Dali Yunnan China.ORCID https://orcid.org/0000-0003-4918-7550
Xiao-Yan YangInstitute of Eastern-Himalaya Biodiversity Research Dali University Dali Yunnan China.
Kun TanInstitute of Eastern-Himalaya Biodiversity Research Dali University Dali Yunnan China.ORCID https://orcid.org/0000-0002-7663-0899
Wen XiaoInstitute of Eastern-Himalaya Biodiversity Research Dali University Dali Yunnan China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The effect of founders (the potential influence of initially colonizing species on the composition, functionality, and stability of communities) plays a crucial role in community assembly; many experimental studies on priority effects or artificially assembled species have suggested the existence of this effect, but direct experimental evidence at the community level remains limited. This study used sterilized and nonsterilized paocai soup (a traditional Chinese fermented vegetable soup) from the same source to simulate initial environments with and without founders. These were placed in beakers with varying opening sizes on an open rooftop for 15 days to explore the impact of founders on community assembly under different dispersal intensities. The 16S rRNA sequencing analysis revealed that communities with founders exhibited lower species richness (320) compared to communities without founders (645). Additionally, communities with founders showed reduced species turnover and richness variation (53.7%) compared to communities without founders (60.9%). Furthermore, the average variability degree (AVD) in communities with founders (0.446 ± 0.044) was significantly lower than in communities without founders (0.927 ± 0.466), indicating higher community stability. Finally, deterministic processes dominated communities with founders (with heterogeneous selection contributing 70%), whereas stochastic processes primarily governed communities without founders (homogeneous dispersal 10% and undominated processes 70%). These findings demonstrate that founders presence reduces dispersal impacts, decreases community diversity, enhances stability, and deterministic processes. The effect of founders fundamentally shapes the direction of community assembly. This study helps further understanding of how founders influence biodiversity maintenance and community assembly processes.

Indexed as

community assemblycommunity maintenancedispersalfoundersmicrobial diversity

Identifiers

PMID40336549
PMCPMC12058248

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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.