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Multiple modes in a coral species abundance distribution

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Multiple modes in a coral species abundance distribution. / Dornelas, Maria; Connolly, Sean R.

In: Ecology Letters, Vol. 11, No. 10, 10.2008, p. 1008-1016.

Research output: Contribution to journalArticle

Harvard

Dornelas, M & Connolly, SR 2008, 'Multiple modes in a coral species abundance distribution' Ecology Letters, vol. 11, no. 10, pp. 1008-1016. https://doi.org/10.1111/j.1461-0248.2008.01208.x

APA

Dornelas, M., & Connolly, S. R. (2008). Multiple modes in a coral species abundance distribution. Ecology Letters, 11(10), 1008-1016. https://doi.org/10.1111/j.1461-0248.2008.01208.x

Vancouver

Dornelas M, Connolly SR. Multiple modes in a coral species abundance distribution. Ecology Letters. 2008 Oct;11(10):1008-1016. https://doi.org/10.1111/j.1461-0248.2008.01208.x

Author

Dornelas, Maria ; Connolly, Sean R. / Multiple modes in a coral species abundance distribution. In: Ecology Letters. 2008 ; Vol. 11, No. 10. pp. 1008-1016.

Bibtex - Download

@article{ca08f0b30030476c870d56f8c4e37f59,
title = "Multiple modes in a coral species abundance distribution",
abstract = "Species abundance distributions are an important measure of biodiversity and community structure. These distributions are affected by sampling, and alternative species-abundance models often make similar predictions for small sample sizes. Very large samples reveal the relative abundances of rare species, and thus provide information about species relative abundances that small samples cannot. Here, we present the species-abundance distribution for a sample of > 40 000 coral colonies at a single site, exceeding existing samples of coral local assemblages by over an order of magnitude. This abundance distribution is multimodal when examined on a logarithmic scale. Four different model selection procedures all indicate that the underlying community abundance distribution has at least three modes. We show that the multiple modes are not caused by mixtures of species with different habitat preferences. However, spatial aggregation partially explains our results. We inspect published work on species abundance distributions, and suggest that multimodality may be a common feature of large samples.",
keywords = "biodiversity, community structure, coral reefs, lognormal, neutral theory, canonical distribution, population, commonness, diversity, patterns, scales, rarity",
author = "Maria Dornelas and Connolly, {Sean R.}",
year = "2008",
month = "10",
doi = "10.1111/j.1461-0248.2008.01208.x",
language = "English",
volume = "11",
pages = "1008--1016",
journal = "Ecology Letters",
issn = "1461-023X",
publisher = "John Wiley & Sons, Ltd (10.1111)",
number = "10",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Multiple modes in a coral species abundance distribution

AU - Dornelas, Maria

AU - Connolly, Sean R.

PY - 2008/10

Y1 - 2008/10

N2 - Species abundance distributions are an important measure of biodiversity and community structure. These distributions are affected by sampling, and alternative species-abundance models often make similar predictions for small sample sizes. Very large samples reveal the relative abundances of rare species, and thus provide information about species relative abundances that small samples cannot. Here, we present the species-abundance distribution for a sample of > 40 000 coral colonies at a single site, exceeding existing samples of coral local assemblages by over an order of magnitude. This abundance distribution is multimodal when examined on a logarithmic scale. Four different model selection procedures all indicate that the underlying community abundance distribution has at least three modes. We show that the multiple modes are not caused by mixtures of species with different habitat preferences. However, spatial aggregation partially explains our results. We inspect published work on species abundance distributions, and suggest that multimodality may be a common feature of large samples.

AB - Species abundance distributions are an important measure of biodiversity and community structure. These distributions are affected by sampling, and alternative species-abundance models often make similar predictions for small sample sizes. Very large samples reveal the relative abundances of rare species, and thus provide information about species relative abundances that small samples cannot. Here, we present the species-abundance distribution for a sample of > 40 000 coral colonies at a single site, exceeding existing samples of coral local assemblages by over an order of magnitude. This abundance distribution is multimodal when examined on a logarithmic scale. Four different model selection procedures all indicate that the underlying community abundance distribution has at least three modes. We show that the multiple modes are not caused by mixtures of species with different habitat preferences. However, spatial aggregation partially explains our results. We inspect published work on species abundance distributions, and suggest that multimodality may be a common feature of large samples.

KW - biodiversity

KW - community structure

KW - coral reefs

KW - lognormal

KW - neutral theory

KW - canonical distribution

KW - population

KW - commonness

KW - diversity

KW - patterns

KW - scales

KW - rarity

U2 - 10.1111/j.1461-0248.2008.01208.x

DO - 10.1111/j.1461-0248.2008.01208.x

M3 - Article

VL - 11

SP - 1008

EP - 1016

JO - Ecology Letters

T2 - Ecology Letters

JF - Ecology Letters

SN - 1461-023X

IS - 10

ER -

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ID: 18742258