North American Diatom Ecological Database - NADED
Phycology Section, Patrick Center for Environmental Research
Diatom Count Report
 


Water Body: MERCED R               Site Location ID: GS11273500  Sample Label:
Sample ID: GS137258                Client Sample ID: SANJ0804ADE0002BA
Date Sample Collected: 08/18/2004  Count Finished: 09/22/2005
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Erin Hagan             Sample Type: DTH



   Naded Taxon Name                                                            Percent    Count Notes   
    1024 Achnanthidium exiguum (Grunow in Cleve and Grunow) Czarnecki             0.33      2.0
    1036 Achnanthidium rivulare Potapova et Ponader                               1.00      6.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 1.00      6.0
   20007 Cyclotella meneghiniana Kützing                                          0.16      1.0
  197001 Diadesmis confervacea Kützing                                            3.16     19.0
   33056 Eunotia soleirolii (Kützing) Rabenhorst                                  0.16      1.0
   34180 Fragilaria microstriata Marciniak                                        0.66      4.0
   34074 Fragilaria pinnata var. subcapitata Frenguelli                           4.66     28.0
   34205 Fragilaria sp. 12 NAWQA HAGAN                                            1.33      8.0
  210002 Geissleria aikenensis (Patrick) Torgan et Olivera                        0.16      1.0
  210003 Geissleria decussis (Østrup) Lange-Bertalot et Metzeltin                 0.83      5.0
   37197 Gomphonema kobayasii Kociolek et Kingston                                0.50      3.0
   37193 Gomphonema patricki Kociolek et Stoermer in Kociolek, Stoermer and +     0.16      1.0
   46003 Navicula arvensis Hustedt                                                0.16      1.0
   46317 Navicula canalis Patrick                                                 0.33      2.0
   46014 Navicula cryptocephala Kützing                                           0.33      2.0
   46269 Navicula kotschyi Grunow                                                 0.16      1.0
   46039 Navicula minima Grunow in Van Heurck                                     2.66     16.0
   46896 Navicula rostellata Kützing                                              3.33     20.0
   46537 Navicula schadei Krasske                                                 0.33      2.0
   46560 Navicula subrhynchocephala Hustedt                                       1.33      8.0
   46504 Navicula veneta Kützing                                                  0.33      2.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.66      4.0
   48153 Nitzschia intermedia Hantzsch ex Cleve et Grunow                         0.33      2.0
   48156 Nitzschia liebethruthii Rabenhorst                                       0.33      2.0
   50007 Opephora olsenii Møller                                                  1.50      9.0
  214002 Parlibellus protracta (Grunow) Witkowski, Lange-Bertalot et Metzelt+     0.33      2.0
  194008 Placoneis gastrum (Ehrenberg) Mereschkowsky                              0.50      3.0
  155008 Planothidium daui (Foged) Lange-Bertalot                                 0.33      2.0
  155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+     1.00      6.0
  155003 Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot           0.16      1.0
  155029 Planothidium robustius Lange-Bertalot                                    0.16      1.0
  155018 Planothidium rostratum (Østrup) Lange-Bertalot                           2.16     13.0
  186014 Psammothidium lacus-vulcani (Lange-Bertalot et Krammer) Bukhtiyarov+     1.16      7.0
   73001 Pseudostaurosira brevistriata (Grunow in Van Heurck) Williams et Ro+    17.50    105.0
  170009 Sellaphora bacillum (Ehrenberg) Mann                                     0.33      2.0
  170006 Sellaphora pupula (Kützing) Meresckowsky                                 2.16     13.0
  170014 Sellaphora seminulum (Grunow) Mann                                       0.50      3.0
  172001 Staurosira construens Ehrenberg                                          7.16     43.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+    32.00    192.0
  172007 Staurosira elliptica (Schumann) Williams et Round                        0.66      4.0
  175005 Staurosirella pinnata (Ehrenberg) Williams et Round                      6.83     41.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         0.16      1.0
  200002 Tabularia fasciculata (Agardh) Williams et Round                         0.16      1.0
   70009 Thalassiosira bramaputrae (Ehrenberg) Håkansson et Locker                0.33      2.0
   70008 Thalassiosira weissflogii (Grunow) Fryxell et Hasle                      0.33      2.0


Report Date: 5/16/2022          Total Number of Taxa: 46          Total Number Counted: 600

Count Notes:

  ?
  Comments: Row 1 x98.9, y8; y9.2 Many fragilaroid diatoms in girdle view. This made it difficult to distinguish between and identify Pseudostaurosira brevistriata, Staurosira construens venter and Staurosirella pinnata.
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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