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Disturbance and change in biodiversity

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Disturbance and change in biodiversity. / Dornelas, Maria.

In: Philosophical Transactions of the Royal Society. B, Biological Sciences, Vol. 365, No. 1558, 27.11.2010, p. 3719-3727.

Research output: Contribution to journalArticle

Harvard

Dornelas, M 2010, 'Disturbance and change in biodiversity' Philosophical Transactions of the Royal Society. B, Biological Sciences, vol. 365, no. 1558, pp. 3719-3727. https://doi.org/10.1098/rstb.2010.0295

APA

Dornelas, M. (2010). Disturbance and change in biodiversity. Philosophical Transactions of the Royal Society. B, Biological Sciences, 365(1558), 3719-3727. https://doi.org/10.1098/rstb.2010.0295

Vancouver

Dornelas M. Disturbance and change in biodiversity. Philosophical Transactions of the Royal Society. B, Biological Sciences. 2010 Nov 27;365(1558):3719-3727. https://doi.org/10.1098/rstb.2010.0295

Author

Dornelas, Maria. / Disturbance and change in biodiversity. In: Philosophical Transactions of the Royal Society. B, Biological Sciences. 2010 ; Vol. 365, No. 1558. pp. 3719-3727.

Bibtex - Download

@article{bca0d906095f47cebf6a163d1307edcd,
title = "Disturbance and change in biodiversity",
abstract = "Understanding how disturbance affects biodiversity is important for both fundamental and applied reasons. Here, I investigate how disturbances with different ecological effects change biodiversity metrics. I define three main types of disturbance effects: D disturbance (shifts in mortality rate), B disturbance (shifts in reproductive rates) and K disturbance (shifts in carrying capacity). Numerous composite disturbances can be defined including any combination of these three types of ecological effects. The consequences of D, B and K disturbances, as well as of composite DBK disturbances are examined by comparing metrics before and after a disturbance, in disturbed and undisturbed communities. I use simulations of neutral communities and examine species richness, total abundance and species abundance distributions. The patterns of change in biodiversity metrics are consistent among different types of disturbance. K disturbance has the most severe effects, followed by D disturbance, and B disturbance has nearly negligible effects. Consequences of composite DBK disturbances are more complex than any of the three types of disturbance, with unimodal relationships along a disturbance gradient arising when D, B and K are negatively correlated. Importantly, regardless of disturbance type, community isolation enhances the negative consequences and hinders the positive effects of disturbances.",
keywords = "perturbation, species richness, neutral model, stress, threat, diversity, species abundance distributions, neutral theory, rain-forests, coral-reefs, communities, ecology, productivity, pollution, patterns",
author = "Maria Dornelas",
year = "2010",
month = "11",
day = "27",
doi = "10.1098/rstb.2010.0295",
language = "English",
volume = "365",
pages = "3719--3727",
journal = "Philosophical Transactions of the Royal Society. B, Biological Sciences",
issn = "0962-8436",
publisher = "ROYAL SOC",
number = "1558",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Disturbance and change in biodiversity

AU - Dornelas, Maria

PY - 2010/11/27

Y1 - 2010/11/27

N2 - Understanding how disturbance affects biodiversity is important for both fundamental and applied reasons. Here, I investigate how disturbances with different ecological effects change biodiversity metrics. I define three main types of disturbance effects: D disturbance (shifts in mortality rate), B disturbance (shifts in reproductive rates) and K disturbance (shifts in carrying capacity). Numerous composite disturbances can be defined including any combination of these three types of ecological effects. The consequences of D, B and K disturbances, as well as of composite DBK disturbances are examined by comparing metrics before and after a disturbance, in disturbed and undisturbed communities. I use simulations of neutral communities and examine species richness, total abundance and species abundance distributions. The patterns of change in biodiversity metrics are consistent among different types of disturbance. K disturbance has the most severe effects, followed by D disturbance, and B disturbance has nearly negligible effects. Consequences of composite DBK disturbances are more complex than any of the three types of disturbance, with unimodal relationships along a disturbance gradient arising when D, B and K are negatively correlated. Importantly, regardless of disturbance type, community isolation enhances the negative consequences and hinders the positive effects of disturbances.

AB - Understanding how disturbance affects biodiversity is important for both fundamental and applied reasons. Here, I investigate how disturbances with different ecological effects change biodiversity metrics. I define three main types of disturbance effects: D disturbance (shifts in mortality rate), B disturbance (shifts in reproductive rates) and K disturbance (shifts in carrying capacity). Numerous composite disturbances can be defined including any combination of these three types of ecological effects. The consequences of D, B and K disturbances, as well as of composite DBK disturbances are examined by comparing metrics before and after a disturbance, in disturbed and undisturbed communities. I use simulations of neutral communities and examine species richness, total abundance and species abundance distributions. The patterns of change in biodiversity metrics are consistent among different types of disturbance. K disturbance has the most severe effects, followed by D disturbance, and B disturbance has nearly negligible effects. Consequences of composite DBK disturbances are more complex than any of the three types of disturbance, with unimodal relationships along a disturbance gradient arising when D, B and K are negatively correlated. Importantly, regardless of disturbance type, community isolation enhances the negative consequences and hinders the positive effects of disturbances.

KW - perturbation

KW - species richness

KW - neutral model

KW - stress

KW - threat

KW - diversity

KW - species abundance distributions

KW - neutral theory

KW - rain-forests

KW - coral-reefs

KW - communities

KW - ecology

KW - productivity

KW - pollution

KW - patterns

U2 - 10.1098/rstb.2010.0295

DO - 10.1098/rstb.2010.0295

M3 - Article

VL - 365

SP - 3719

EP - 3727

JO - Philosophical Transactions of the Royal Society. B, Biological Sciences

T2 - Philosophical Transactions of the Royal Society. B, Biological Sciences

JF - Philosophical Transactions of the Royal Society. B, Biological Sciences

SN - 0962-8436

IS - 1558

ER -

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ID: 18742157