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Related Concept Videos

What is Biodiversity?01:19

What is Biodiversity?

Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.
Quality of Water01:19

Quality of Water

In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
Testing Water Quality01:14

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Methods to Assess Microbial Communities

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Freshwater Microbial Ecology

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Related Experiment Video

Updated: Jul 9, 2026

Use of Chironomidae (Diptera) Surface-Floating Pupal Exuviae as a Rapid Bioassessment Protocol for Water Bodies
08:27

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Published on: July 24, 2015

[A review on benthic macroinvertebrates indices for assessing the biological quality of lakes].

Marco Le Foche1, Tatiana Notargiacomo, Laura Mancini

  • 1Agenzia per la Protezione Ambientale del Lazio, Sezione Provinciale, Latina.

Annali Dell'Istituto Superiore Di Sanita
|March 23, 2006
PubMed
Summary

Benthic macroinvertebrates help assess lake quality using various indices. The lake biotic index offers a practical and effective method for routine environmental monitoring.

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Last Updated: Jul 9, 2026

Use of Chironomidae (Diptera) Surface-Floating Pupal Exuviae as a Rapid Bioassessment Protocol for Water Bodies
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Published on: July 24, 2015

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Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates

Published on: January 13, 2023

Area of Science:

  • Ecology
  • Environmental Science
  • Aquatic Biology

Context:

  • Lake ecosystems are crucial for biodiversity and water resources.
  • Assessing lake quality is essential for effective environmental management.
  • Benthic macroinvertebrates are widely used bioindicators in freshwater ecosystems.

Purpose:

  • To review and compare different indices for assessing lake quality.
  • To evaluate the applicability and limitations of biotic, community, and multimetric indices.
  • To identify the most suitable index for routine lake monitoring.

Summary:

  • Biotic indices, community indices (diversity and similarity), and multimetric indices based on benthic macroinvertebrates were reviewed.
  • Biotic indices are sensitive to specific environmental impairments but geographically limited.
  • Community indices require extensive taxonomic expertise and quantitative data, with ongoing debate on diversity-integrity relationships.
  • Multimetric indices integrate tolerance, diversity, and ecological functions for robust environmental quality assessments.
  • The lake biotic index (LBI) emerged as the most practical and useful for routine monitoring.

Impact:

  • Provides a comprehensive overview of available indices for lake quality assessment.
  • Highlights the strengths and weaknesses of different bioassessment approaches.
  • Recommends the lake biotic index as a valuable tool for efficient and effective routine lake monitoring programs.
  • Contributes to improved understanding and application of biomonitoring in aquatic ecosystems.