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Dennis Kunkel Microscopy, Inc.

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Image #   21345bw
Name:   Fresh water pennate diatom frustule
Copyright:   Copyright 2004 Dennis Kunkel Microscopy, Inc.
Description:   Caption: Fresh water pennate diatom frustule (skeleton) found in a polluted stream. Often diatoms can be used as indicator species to determine the extent of polluted waters. As water becomes polluted, two things usually happen -- species diversity lowers, and population density of the remaining species increases (often indicated by certain diatom species occurring in high density).
Magnification*: x1,600
Type: SEM
    *(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)
Keywords:   01.01.04 21345bw alga algae aquatic b/w diatom eukaryote fresh water Hawaii indicator species pennate diatom polluted water silica frustule silica skeleton SEM

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