המועדפים של roman_romanov

Seen while conducting plant monitoring in Hole-in-the-Donut Restoration Area 2018 with Steve Woodmansee.

All of my observations from today:
https://www.inaturalist.org/observations?nelat=25.71226722884232&nelng=-79.8829629085958&on=2024-04-13&place_id=any&swlat=25.029811173022896&swlng=-81.2287881039083&user_id=joemdo

More info about the surrounding restoration area: https://www.nps.gov/ever/learn/nature/hidprogram.htm

Project that includes all of the Hole-in-the-Donut restoration areas: https://www.inaturalist.org/projects/everglades-national-park-hole-in-the-donut-restoration

Video: https://youtu.be/OSf80b1SxCw

Photos are snapshots of the same individual in the video. Photo #3 shows the view from the front.

Cell size: 19 µm in length, 8 µm in width

Site of collection: Katsurashima Ryokuchi south pond (a freshwater habitat), Sendai, Japan

Date of collection: February 11th 2022

Weather: Sunny

Water temp.: 5.2°C

pH 6.6

Date of observation: February 20th 2022 (the collected sample in a plastic container was left near a window out of direct sunlight at room temperature until observation)

Bright field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan).

Video: https://youtu.be/Qpn1xI6jYlY

Photos are snapshots of the same individual(s) in the video

Cell size (excluding flagella): 20 µm x 14 µm

Site of collection: Pavilion, Takamori Ryokuchi (a freshwater habitat), Sendai, Japan

Date of collection: October 16th 2021

Weather: Rainy

Water temp.: 18.1°C

pH 6.3

Date of observation: November 7th 2021 (the collected sample in a plastic container was left near a window out of direct sunlight at room temperature until observation)

Bright field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.

Images 1-6

1. Greenish specimen found growing on other epilithic algae in a rock pool.
2. Relative size.
3. Closer look at habit of specimen.
4. View of specimen after squashing on a slide. Cocciform (colonising) blue-green algae in a mucilage matrix with filamentous blue-greens also enmeshed.
5. Another view of squashed sample.
6. Sample under higher magnification.