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Image number: 2172588

Star jelly (Nostoc sp) colony on a lapiaz, France

© Jean-Philippe Delobelle / Biosphoto

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Image size: 4016x6016 pixels (13.4"x20.1" @300dpi)

Shooting date : 2017-11-26

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Cyanobactéries : " Ce genre regroupe des organismes procaryotes réalisant la photosynthèse et fixant l'azote. Ils ressemblent souvent aux algues, mais peuvent vivre sur des substrats terrestres en colonies importantes, et alors former des masses gélatineuses évoquant certaines algues, notamment lorsque leurs structures se gonflent d'eau après la pluie ou en période humide. Leur discrétion lorsqu'elles sont déshydratées et la rapidité de leur turgescence lorsqu'elles sont exposées à l'humidité ont fait croire qu'elles tombaient du ciel, d'où leurs noms de « crachat de lune » ou star jelly (soit « gelée d'étoile »), witches butter (« beurre de sorcière ») et mare's eggs (« œufs de jument ») pour les anglophones" (Wikipedia).

Keywords

Area / Mountain

Atmosphere / Meteorological phenomenon / Sky / Cloud

Atmosphere / Seasons / Temperate season / Autumn

Enumeration / Group / Multitude / Colony

Shot / Overview

Flora / Alga / Blue alga / Cyanobacteria

Earth's crust / Landform / Lapies

November

Flora / Alga / Blue alga / Cyanobacteria / Star jelly (Nostoc sp)

Individual / Nobody

Latin keywords

Prokaryota / Eubacteria / Bacteriobiota / Cyanobacteria / Nostocales / Nostocaceae / Nostoc

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