Darkfield and fluorescence contrast light micrograph of a mass of Nostoc sp. filamentous cyanobacteria (blue-green algae) found on the surface of soil. Nostoc algae have the ability to fix atmospheric nitrogen, thereby playing a major role in soil fertility. They have a wide distribution and are commonly found in soil and on mud, rocks and plants. Magnification: x160 when printed 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Fox, Frank |
Bildgröße: | 5616 px × 3744 px |
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