Diatom Gallery #3

Symmetrical Naviculoid Forms


Symmetrical Naviculoid Forms

Amphipleura

1. Amphipleura pellucida
 

800x
    Pilgrim River downstream of US-41
aquatic plant sample
9/19/01
 
2. Amphipleura pellucida
 
image
800x
    Seneca Creek at Cliff Dr
aquatic plant sample
5/31/10
 

Caloneis

1. Caloneis amphisbaena
 

800x
    Pilgrim River downstream of US-41
log scraping
11/1/01
 
2. Caloneis trinodis
 

1000x
    Pilgrim River upstream of US-41
rock scraping
9/19/01
 
3. Caloneis
 

800x
    Traverse River at Mohawk-Gay Rd
plant detritus sample
5/20/10
18°C
 

Diploneis

1. Diploneis puella
 

1000x
    Keweenaw Waterway at South Entry
aquatic plant sample
9/19/01
 

Frustulia

1. Frustulia rhomboides
 

500x
    Perrault Bog
plant detritus sample
9/10/01
 
2. Frustulia rhomboides
 

500x
    Perrault Bog
plant detritus sample
8/5/10
pH 6.0, 23°C, 34 uS
 
3. Frustulia
 

800x
    Perrault Bog
floating algal mass
6/17/10
pH 5.0, 23°C, 41 uS
 
4. Frustulia
 

800x
    Perrault Bog
plant detritus sample
9/5/01
pH 3.8, 26°C
 
5. Frustulia
 

800x
    Jacobsville old quarry pond
aquatic plant sample
8/7/10
pH 7.6, 17°C, 121 uS
 

Gyrosigma

1. Gyrosigma
 

800x
    Dollar Bay from boat
surface plankton tow
9/26/01
 
2. Gyrosigma
 

800x
    same as above
 
3. Gyrosigma
 

640x
    Pike Bay from boat
aquatic plant sample
9/30/01
 

Navicula

1. Navicula
 

1000x
    Keweenaw Waterway at South Entry
aquatic plant sample
9/19/01
 
2. Navicula
 

800x
    same as above
 
3. Navicula
 

1000x
    same as above
 
4. Navicula
 

1000x

1000x
  Huron Creek at Walmart
aquatic plant sample
9/20/01
 
5. Navicula
 

1000x
    Torch Lake from boat
aquatic plant sample
9/26/01
pH 7.2, 20°C
 
6. Navicula
 

800x
    Pike Bay from boat
aquatic plant sample
9/30/01
 
7. Navicula
 

800x
    Pilgrim River upstream of US-41
rock scraping
5/24/10
18°C
 

Neidium

1. Neidium
 

500x
    Dollar Bay at boat launch
oblique plankton tow
7/30/06
25.5°C
 

Pinnularia

1. Pinnularia viridis
 

640x
    Perrault Bog
plant detritus sample
9/10/01
 
2. Pinnularia viridis
 

800x
    Perrault Bog
plant detritus sample
9/5/01
pH 3.8, 26°C
 
3. Pinnularia viridis
 

640x
    same as above
 
4. Pinnularia viridis
 

640x
    Traverse River at Mohawk-Gay Rd
plant detritus sample
5/20/10
18°C
 
5. Pinnularia viridis
 

640x
    Rice Lake marsh
plankton tow through vegetation
10/23/05
7°C
 
6. Pinnularia tabellaria
 

400x
    Dollar Bay from boat
aquatic plant sample
9/26/01
 

Stauroneis

1. Stauroneis
 

640x
    Dollar Bay at boat launch
surface plankton tow
10/10/01
pH 7.1, 16°C
 
2. Stauroneis
 

800x
    Arnheim Sloughs site #4
aquatic plant sample
5/27/10
24°C
 
3. Stauroneis
 

500x
    Dollar Bay at boat launch
plankton tow
5/20/10
20°C