Extracted from sediment sample brought up on longline gear.
Approximate depth 475 meters
Sediment sample collected by P. Blankenship
Date is time of photograph. From slide mounted by Klaus Kemp.
Light micrographs of a colony of the diatom Melosira moniliformis. Note the absence of collar (carina) on the valves.
Specimen collected with a 20 μm mesh plankton net, Spanish Hills Wharf, Trincomali Channel, North Galiano Island, Southern Gulf Islands, British Columbia, Canada. July 13, 2012.
p. 40-41, fig. 16, k-m. Hoppenrath, M., Elbrächter, M. & Drebes, G. (2009). Marine phytoplankton Selected microphytoplankton species from the North Sea around Helgoland and Sylt. pp. [1]-264, figs 1-87. Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung.
Water sample taken using a 25 micron net to enrich for microorganisms. A thin layer of shore ice had to be cleared to enable sampling. This cove is an off shoot of the Thames River estuary; water is likely brackish. Air temp. 29F
Magnification of photos: 100×, 400×, 400×, 400×
Habitat: muddy ocean water, collected from beach at around low tide.
Photo taken with a Celestron PentaView Digital Microscope. According to their website, the FOV at 100× is 600 µm. https://www.celestron.com/blogs/knowledgebase/what-is-my-digital-microscopes-field-of-view
ChaetoceroscurvisetusCleve 1889
Diatom
Site 2 –Port Bougainville
Bioblitz
Pennekamp State Park, DagnyHammock South section Port Bougainvillea
Key Largo, Florida
April 6 2024
Microalgae and some macroalgalphotomicrographs
Site 1 –borrow pit; phytoplankton and benthic sample
25.1783°N, 80.3659°W
Site 2 –Port Bougainville, connection to Hawk Channel; phytoplankton and benthic sample
25.1735°N, 80.3655°W
Site 3 –Shallow pond at landward edge of mangroves
25.1812°N, 80.33572°W
Tom Frankovich, Anna Nesterovich, Katherine Johnson , Mike Sullivan and other students
ChaetoceroscurvisetusCleve 1889
Diatom
Site 2 –Port Bougainville
Bioblitz
Pennekamp State Park, DagnyHammock South section Port Bougainvillea
Key Largo, Florida
April 6 2024
Microalgae and some macroalgalphotomicrographs
Site 1 –borrow pit; phytoplankton and benthic sample
25.1783°N, 80.3659°W
Site 2 –Port Bougainville, connection to Hawk Channel; phytoplankton and benthic sample
25.1735°N, 80.3655°W
Site 3 –Shallow pond at landward edge of mangroves
25.1812°N, 80.33572°W
Tom Frankovich, Anna Nesterovich, Katherine Johnson , Mike Sullivan and other students
Marine water 54.4, outgoing tide, air temp 53, cloudy skies, salinity 31.