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Green Algae
Spirogyra – screw algae, Plantosphaeria, Sphaerocystis. The green algae also consist of Thread Algae , that build a light green wad of algae. They appear gelatinous.
There are thousand types of algae. In the classical division of the algae, the Chloromonadophyta, yellow green algae, gold algae, diatom and the brown algae are classified as classes of the group Heterocontophyta.
Blue Algae
Cyano bacteria’s are strictly speaking not algae but bacteria that at first glance have a similar appearance to algae and are generally counted to these algae. During strong eutrophication, too high nutritional value, massive surface bloom or algae bloom forms. Red and brown algae stay fixed on ground and form threads up to 100m long, mainly in salt water. Diatoms are colored brown, surrounded by a hard mineral shell.
More information about diverse types of algae is available on Wikipedia:
Algen under the Microscope
These photos have been taken with standard light-microscopical techniques with 400 times magnification.
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The Spirogyra algae before the ultrasound treatment.
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The Spirogyra algae 14 days after the ultrasound treatment.
The cell structure, vacoules of these cells is strongly damaged (consists of Tonoplast und Plasma lemma). |
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Alga Fragilaria Crotonensis
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