Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model

Alados, C L; Weber, D N

doi:10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2

Title: Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model

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Abstract

Lead (Pb) has been shown to affect the behavior of a wide variety of vertebrates, including fish, amphibians, and mammals. This article re-examines previous data on the effect of short-term, sublethal levels of waterborne Pb on the reproductive behavior of fathead minnows (Pimephales promelas). Previous research has found that Pb decreased the time spent in displaying specific reproductive behaviors in male minnows. Because each activity performed within a sequence depends upon previous parts of the sequence, the reproductive behavior of fish is not randomly distributed but is presented as a long-range self-similar correlation. By treating these data as a fractal dimension, it is now possible to determine changes in the long-term correlation of different behavioral sequences involved in nest maintenance owing to Pb exposure, both before and after adult males attain reproductive maturity. The authors hypothesized that the scaling exponent of this fluctuation varies in relation with environmental contaminants. Known Pb-induced changes in hormonal activity may account for changes in observed reproductive and nest maintenance behaviors. Pb-exposed fish exhibited higher levels of predictability in their behavioral sequences, i.e., they demonstrated an increase in the scaling parameter of the fluctuation {alpha}. However, if Pb was introduced after sexual maturity was observed,more »« less

Authors:: Alados, C L; Weber, D N

Publication Date:: Fri Oct 01 00:00:00 EDT 1999

Research Org.:: Inst. Pirenaico de Ecologia, Zaragoza (ES)

OSTI Identifier:: 20006608

Resource Type:: Journal Article

Journal Name:: Environmental Toxicology and Chemistry

Additional Journal Information:: Journal Volume: 18; Journal Issue: 10; Other Information: PBD: Oct 1999; Journal ID: ISSN 0730-7268

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; 56 BIOLOGY AND MEDICINE, APPLIED STUDIES; WATER POLLUTION; BIOLOGICAL INDICATORS; LEAD; FATHEAD MINNOW; REPRODUCTION; BIOLOGICAL MARKERS; MATHEMATICAL MODELS

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                    Alados, C L, and Weber, D N. Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model.  United States: N. p., 1999. 
        Web.  doi:10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2.

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                    Alados, C L, & Weber, D N. Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model.  United States.  https://doi.org/10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2

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                    Alados, C L, and Weber, D N. 1999.  
        "Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model".  United States.  https://doi.org/10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2.

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@article{osti_20006608,

  title        = {Lead effects on the predictability of reproductive behavior in fathead minnows (Pimephales promelas): A mathematical model},

  author       = {Alados, C L and Weber, D N},

  abstractNote = {Lead (Pb) has been shown to affect the behavior of a wide variety of vertebrates, including fish, amphibians, and mammals. This article re-examines previous data on the effect of short-term, sublethal levels of waterborne Pb on the reproductive behavior of fathead minnows (Pimephales promelas). Previous research has found that Pb decreased the time spent in displaying specific reproductive behaviors in male minnows. Because each activity performed within a sequence depends upon previous parts of the sequence, the reproductive behavior of fish is not randomly distributed but is presented as a long-range self-similar correlation. By treating these data as a fractal dimension, it is now possible to determine changes in the long-term correlation of different behavioral sequences involved in nest maintenance owing to Pb exposure, both before and after adult males attain reproductive maturity. The authors hypothesized that the scaling exponent of this fluctuation varies in relation with environmental contaminants. Known Pb-induced changes in hormonal activity may account for changes in observed reproductive and nest maintenance behaviors. Pb-exposed fish exhibited higher levels of predictability in their behavioral sequences, i.e., they demonstrated an increase in the scaling parameter of the fluctuation {alpha}. However, if Pb was introduced after sexual maturity was observed, there was no significant difference in the scaling component {alpha}. Thus, the use of fractal dimension may provide a useful tool to analyze the effects of environmental contaminants and other stresses.},

  doi          = {10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2},

  url          = {https://www.osti.gov/biblio/20006608},
  journal      = {Environmental Toxicology and Chemistry},

  issn         = {0730-7268},

  number       = 10,

  volume       = 18,

  place        = {United States},

  year         = {Fri Oct 01 00:00:00 EDT 1999},

  month        = {Fri Oct 01 00:00:00 EDT 1999}

}

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https://doi.org/10.1897/1551-5028(1999)018<2392:LEOTPO>2.3.CO;2

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