Evidence map›Paper›PMID 29238548›Full record

ArticleEcology and evolution2017

Energy and speleogenesis: Key determinants of terrestrial species richness in caves.

Alberto Jiménez-Valverde, Alberto Sendra, Policarp Garay, Ana Sofia P S Reboleira

Abstract read
In one paragraph

Article in Ecology and evolution, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

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3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

4 authors.

Alberto Jiménez-ValverdeGrupo de Investigación de Biología del Suelo y de los Ecosistemas Subterráneos Departamento de Ciencias de la Vida Facultad de Biología Ciencias Ambientales y Química Universidad de Alcalá Alcalá de Henares Madrid Spain.ORCID 0000-0001-9962-2106
Alberto SendraGrupo de Investigación de Biología del Suelo y de los Ecosistemas Subterráneos Departamento de Ciencias de la Vida Facultad de Biología Ciencias Ambientales y Química Universidad de Alcalá Alcalá de Henares Madrid Spain.
Policarp GarayDepartament de Geologia Universitat de València Burjassot Spain.
Ana Sofia P S ReboleiraDepartamento de Biologia & CESAM Universidade de Aveiro Aveiro Portugal.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of this study was to unravel the relative role played by speleogenesis (i.e., the process in which a cave is formed), landscape-scale variables, and geophysical factors in the determination of species richness in caves. Biological inventories from 21 caves located in the southeastern Iberian Peninsula along with partial least square (PLS) regression analysis were used to assess the relative importance of the different explanatory variables. The caves were grouped according to the similarity in their species composition; the effect that spatial distance could have on similarity was also studied using correlation between matrices. The energy and speleogenesis of caves accounted for 44.3% of the variation in species richness. The trophic level of each cave was the most significant factor in PLS regression analysis, and epigenic caves (i.e., those formed by the action of percolating water) had significantly more species than hypogenic ones (i.e., those formed by the action of upward flows in confined aquifers). Dissimilarity among the caves was very high (multiple-site β

Indexed as

biodiversity patternscavesenergyhypogeanhypogene karstspeleogenesis

Identifiers

PMID29238548
PMCPMC5723612

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