In stream (sorry no photos)
Greenish algae growing in spring artesian well water.
Disgusting and sad bloom of Didymo seen in the stream draining pup springs, and ont he edge of the springs itself
Probably achnanthes longipes.
Salinity 31, water temp 10.6c, incoming tide
Marine water 54.4, outgoing tide, air temp 53, cloudy skies, salinity 31.
Diatoms are a major group of algae, and are among the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons (e.g. Fragilaria), fans (e.g. Meridion), zigzags (e.g. Tabellaria), or stars (e.g. Asterionella). Diatoms are producers within the food chain. A unique feature of diatom cells is that they are enclosed within a cell wall made of silica (hydrated silicon dioxide) called a frustule....