Diatom Gallery #5

Keeled-Raphid and Canalled-Raphid Forms


Keeled-Raphid Forms

Campylodiscus

1. Campylodiscus
 

640x
    Keweenaw Waterway at MTU
surface plankton tow
11/8/01
 
2. Campylodiscus
 

800x
    same as above
 
3. Campylodiscus
 

400x
    same as above
 

Cymatopleura

1. Cymatopleura solea
 

500x
    Pilgrim River upstream of US-41
rock scraping
9/19/01
 
2. Cymatopleura solea
 

400x

400x
  Pilgrim River downstream of US-41
log scraping
11/1/01
 
3. Cymatopleura solea
 

800x

800x
  Keweenaw Waterway at MTU
surface plankton tow
11/8/01
 
4. Cymatopleura solea
 

400x
    Portage Lake from boat
oblique plankton tow
9/18/05
20°C
 

Entomoneis

1. Entomoneis ornata
 

800x

500x
  Dollar Bay from boat
surface plankton tow
9/26/01
 
2. Entomoneis ornata
 

800x
    Little Rice Lake, adjoining marsh
plant detritus sample
10/23/05
8.5°C
 

Nitzschia

1. Nitzschia
 

500x
    Sturgeon River Sloughs site #1
aquatic plant sample
10/20/05
10.5°C
 
2. Nitzschia
 

800x
    Huron Creek at Walmart
aquatic plant sample
9/20/01
 
3. Nitzschia
 

640x
    Pilgrim River downstream of US-41
aquatic plant sample
8/10/03
19.5°C
 
4. Nitzschia
 

800x
    same as above
 
5. Nitzschia
 

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

Surirella

1. Surirella elegans
 

500x
    Dollar Bay from boat
surface plankton tow
9/26/01
 
2. Surirella
 

640x
    Keweenaw Waterway at MTU
surface plankton tow
11/8/01
 
3. Surirella
 

500x

500x
  MTU settling pond
surface plankton tow
10/16/05
11°C
 
4. Surirella
 

640x
    Copper City, Trail 3 creek pool
plankton tow
7/21/10
pH 8.1, 26°C, 624 uS
 
5. Surirella
 

500x
    Dollar Bay at boat launch
oblique plankton tow
11/22/05
0.5°C
 
6. Surirella
 

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

800x
    Portage Lake from boat
oblique plankton tow
9/18/05
20°C
 
8. Surirella
 

800x
    Seneca Creek at Cliff Dr
aquatic plant sample
5/31/10
 

Canalled-Raphid Forms

Epithemia

1. Epithemia
 

1000x
    Pike Bay from boat
aquatic plant sample
9/30/01
 
2. Epithemia
 

500x
    Fulton Creek beaver pond
aquatic plant sample
7/21/10
pH 7.4, 28°C, 464 uS
 
3. Epithemia
 

800x
    Nara Trail marsh
plant detritus sample
9/15/05
14°C
 
4. Epithemia
 

800x
    Sturgeon River Sloughs site #1
aquatic plant sample
10/20/05
10.5°C
 

Rhopalodia

1. Rhopalodia gibba
 

400x

400x
  Torch Lake from boat
aquatic plant sample
9/26/01
pH 7.2, 20°C
 
2. Rhopalodia gibba
 

640x
    Copper City, Trail 3 pond #2 site #2
plankton tow through vegetation
7/21/10
pH 7.6, 27°C, 666 uS
 
3. Rhopalodia gibba
 

800x
    Sturgeon River Sloughs site #1
aquatic plant sample
10/20/05
10.5°C
 
4. Rhopalodia gibba
 

800x
    same as above