File:CyanobacteriaColl1.jpg
Summary
These "jelly balls" are colonies of the <a href="https://en.wikipedia.org/wiki/cyanobacteria" class="extiw" title="w:cyanobacteria">cyanobacteria</a> species <a href="https://en.wikipedia.org/wiki/Nostoc_pruniforme" class="extiw" title="w:Nostoc pruniforme">Nostoc pruniforme</a> ("Mare's eggs"), living in freshwater ponds. (Determination was microscopically confirmed by Professor Dr Ludwig Kies, Hamburg.)
Note: Many other single-(or few-)celled organisms also form gelatinous colonies in spherules. A reliable determination is only possible by microscope! The shown species is rather rare today and indicates clean water. Furthermore, my impression is that the trivial name "Mare's eggs" is not exclusively related to the concrete species Nostoc pruniforme, but also used for diverse different spherule algae (?).
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:15, 6 January 2017 | | 1,375 × 984 (628 KB) | 127.0.0.1 (talk) | These "jelly balls" are colonies of the <a href="https://en.wikipedia.org/wiki/cyanobacteria" class="extiw" title="w:cyanobacteria">cyanobacteria</a> species <i><a href="https://en.wikipedia.org/wiki/Nostoc_pruniforme" class="extiw" title="w:Nostoc pruniforme">Nostoc pruniforme</a></i> ("Mare's eggs"), living in freshwater ponds. (Determination was microscopically confirmed by Professor Dr Ludwig Kies, Hamburg.)<br><i><u>Note:</u> Many other single-(or few-)celled organisms also form gelatinous colonies in spherules. A reliable determination is only possible by microscope! The shown species is rather rare today and indicates clean water. Furthermore, my impression is that the trivial name "Mare's eggs" is not exclusively related to the concrete species </i>Nostoc pruniforme<i>, but also used for diverse different spherule algae (?).</i> |
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