Evidence map›Paper›PMID 40468043›Full record

ArticleNature ecology & evolution2025

A general rule on the organization of biodiversity in Earth's biogeographical regions.

R Bernardo-Madrid, M González-Suárez, M Rosvall, M Rueda, E Revilla, M Carrete, J L Tella, J Astigarraga, J Calatayud

Abstract read
In one paragraph

Article in Nature ecology & evolution, 2025. 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.

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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

9 authors.

R Bernardo-MadridIntegrated Science Lab, Department of Physics, Umeå University, Umeå, Sweden. ruben.bernardo.madrid@umu.se.ORCID http://orcid.org/0000-0003-2026-5690
M González-SuárezEcology and Evolutionary Biology, School of Biological Sciences, University of Reading, Reading, UK.ORCID http://orcid.org/0000-0001-5069-8900
M RosvallIntegrated Science Lab, Department of Physics, Umeå University, Umeå, Sweden.ORCID http://orcid.org/0000-0002-7181-9940
M RuedaDepartmento de Biología Vegetal y Ecología, Universidad de Sevilla, Seville, Spain.ORCID http://orcid.org/0000-0002-9754-6258
E RevillaDepartment of Conservation Biology, Doñana Biological Station, Consejo Superior de Investigaciones Cientificas (CSIC), Seville, Spain.ORCID http://orcid.org/0000-0001-5534-5581
M CarreteDepartment of Physical, Chemical and Natural Systems, Universidad Pablo de Olavide, Seville, Spain.ORCID http://orcid.org/0000-0002-0491-2950
J L TellaDepartment of Conservation Biology, Doñana Biological Station, Consejo Superior de Investigaciones Cientificas (CSIC), Seville, Spain.
J AstigarragaUniversidad de Alcalá, Department of Life Sciences, Forest Ecology and Restoration Group (FORECO), Alcalá de Henares, Spain.ORCID http://orcid.org/0000-0001-9520-3713
J CalatayudDepartamento de Biología y Geología, Física y Química Inorgánica, Escuela Superior de Ciencias Experimentales y Tecnología (ESCET), Universidad Rey Juan Carlos, Madrid, Spain.ORCID http://orcid.org/0000-0001-9056-4149

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Life on Earth is a mosaic distributed across biogeographical regions. Their regional species pools have experienced distinct historical and eco-evolutionary pressures, leading to an expected context-dependent organization of biodiversity. Here we identify a general spatial organization within biogeographical regions of terrestrial and marine vertebrates, invertebrates and plants (more than 30,000 species). We detect seven types of areas in these biogeographical regions that reflect unique combinations of four fundamental aspects of biodiversity (species richness, range size, endemicity and biogeographical transitions). These areas form ordered layers from the core to the transition zones of the biogeographical regions, reflecting gradients in the biodiversity aspects, experiencing distinct environmental conditions, and exhibiting taxonomic dissimilarities due to nestedness. These findings suggest this ubiquitous organization is mainly driven by the action of two complementary environmental filters, one acting on species from regional hotspots and the other on species from permeable biogeographical boundaries. The influence of these regional filters extends across spatial scales and shapes global patterns of species richness. Regional biodiversity follows a universal core-to-transition organization governed by general forces operating across the tree of life and space.

Indexed as

BiodiversityInvertebratesVertebratesAnimalsEarth, PlanetGeographyPlants

Identifiers

PMID40468043
PMCPMC12240819

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.