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Ecological Niches02:02

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Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds
06:37

Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds

Published on: November 13, 2017

Climatic niche properties shape treefrog diversity.

Felipe A Toro-Cardona1,2, Julián A Velasco3, Jesús Pinto-Ledezma4

  • 1Grupo de Ecología y Evolución de Vertebrados, Instituto de Biología, Universidad de Antioquia, Medellín, Colombia.

Plos One
|May 6, 2026
PubMed
Summary
This summary is machine-generated.

Species richness is linked to niche properties. Higher treefrog diversity correlates with narrower climatic niches and niches closer to ancestral conditions, supporting niche packing and conservatism.

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Last Updated: May 8, 2026

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Area of Science:

  • Ecology
  • Biogeography
  • Evolutionary Biology

Background:

  • Tropical regions exhibit high species richness, often attributed to climate geography.
  • Existing hypotheses often overlook the crucial relationship between organisms and their climatic niche.

Purpose of the Study:

  • To evaluate how niche breadth, marginality, and position influence species richness.
  • To test the predictions of three niche-based hypotheses using treefrog data.

Main Methods:

  • Estimated climatic niche properties for 441 American treefrog species using univariate and multivariate approaches.
  • Mapped niche properties geographically and employed simultaneous autoregressive models to test hypotheses.
  • Utilized minimum volume ellipsoids and assemblage-based approximations for niche property estimation.

Main Results:

  • Found support for the niche breadth hypothesis (narrower niches correlate with higher richness).
  • The niche position hypothesis was supported under the multivariate approach, but richness increased with distance from ancestral temperature niches.
  • No support was found for the niche marginality hypothesis.

Conclusions:

  • High species richness areas harbor species with narrower, ancestrally conserved niches, but these are often dissimilar to average American climate conditions.
  • Results support niche packing and niche conservatism theories.
  • Niche dimensions exhibit varying degrees of constraint, influencing species distribution patterns.