File:CyanobacteriaColl1.jpg
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Summary
DescriptionCyanobacteriaColl1.jpg |
English: These "jelly balls" are colonies of the cyanobacteria species Nostoc pruniforme ("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 (?). Deutsch: Teichpflaumen, bei diesen gallertigen Kugeln handelt es sich um Kolonien der als Nostoc pruniforme bestimmten Süßwasser-Cyanobakterien (oder: "Blaualgen"). Vielen Dank an Prof. Dr. Ludwig Kies, Hamburg, für die mikroskopische Nachbestimmung! Beachte: Sehr viele andere ein-/wenigzellige Organismen formen ebenfalls gallertige Kolonien in Kugelform. Eine sichere Bestimmung ist normalerweise nur per Mikroskop möglich! Die hier gezeigte Art ist heutzutage nur noch selten zu finden. |
Date | |
Source | Own work (collage of 4 pictures). Location (partially ex situ): North-eastern Lower Saxony, Germany. |
Author | Christian Fischer |
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Attribution: Christian Fischer
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Items portrayed in this file
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October 2005
image/jpeg
0d009696b6e9681778298cd25bb4a45d65194213
643,153 byte
984 pixel
1,375 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:01, 5 July 2011 | 1,375 × 984 (628 KB) | Fice | little improvement | |
13:49, 26 November 2005 | 1,375 × 984 (193 KB) | Fice | *Description: '''''Nostoc pruniforme''''' - these "jelly balls" are special colonies of cyanobacteria in freshwater. *Beschreibung: '''''Nostoc pruniforme''' ('''Wasser- oder Teichpflaumen''') - bei diesen gallertigen Kugeln handelt es sich um Kolonie |
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Orientation | Normal |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 9.0 Windows |
File change date and time | 00:54, 6 July 2011 |
Color space | sRGB |
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