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Related Experiment Videos

Developing effective environmental indicators--does a new dog need old tricks?

Mike Nicholson1, Rob Fryer

  • 1CEFAS Lowestoft Laboratory, Suffolk, UK. m.d.nicholson@cefas.co.uk

Marine Pollution Bulletin
|October 26, 2002
PubMed
Summary
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Effective environmental indicators must answer management questions precisely. This study demonstrates how mercury levels in plaice from Liverpool Bay can be used to assess indicator effectiveness for environmental monitoring.

Area of Science:

  • Environmental Science
  • Ecotoxicology
  • Marine Biology

Background:

  • Environmental indicators are crucial for monitoring ecological health and demonstrating the relevance of such efforts.
  • The effectiveness of environmental indicators depends on their ability to address specific management questions, audience accessibility, and precision.

Purpose of the Study:

  • To illustrate how specific management questions can be formulated and answered using environmental monitoring data.
  • To assess the precision of answers derived from environmental indicators.
  • To demonstrate how program design can integrate evolving management questions over time.

Main Methods:

  • Utilized a time series of mercury levels in plaice (Pleuronectes platessa) from Liverpool Bay.
  • Formulated specific management questions related to mercury contamination.

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  • Assessed the precision of answers to these management questions.

    • Main Results:

    • Successfully demonstrated the formulation and answering of specific management questions using mercury level data.
    • Quantified the precision of the answers obtained, highlighting indicator effectiveness.
    • Showcased a framework for adaptive program design to address future management needs.

    Conclusions:

    • Environmental indicators, when properly designed, can effectively answer critical management questions.
    • Time-series data analysis provides a robust method for assessing indicator precision and effectiveness.
    • Adaptive monitoring programs are essential for responding to environmental changes and management challenges.