In the last-named genus aplanospores only are formed, whereas in Mougeotia, aplanospores and spores ... contain an abundance of a red-brown pigment. Fresh-water Algae from Burma, including ...

Due to the lack of oxygen, algae cells have been in an inactive state for thousands of years, not decomposing In intact sediment layers scientists have identified spores microscopic diatom Skeletonema ...

The lower albedo increases local temperature, promoting snow and ice melting. The red pigment may also protect the algae from UV radiation and/or improve growing conditions for the algae. Perplexingly ...