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


Water Body: Assabet River          Site Location ID: GS01096710  Sample Label:
Sample ID: GSN23534                Client Sample ID: NECB0800ADE0016B
Date Sample Collected: 08/17/2000  Count Finished: 03/15/2001
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Lont Marr              Sample Type: DTH



   Naded Taxon Name                                                            Percent    Count Notes   
    2113 Achnanthes chlidanos Hohn et Hellerman                                   0.99      6.0
    2007 Achnanthes exigua Grunow                                                 0.16      1.0
     401 Achnanthes exigua var. heterovalva Krasske                               0.83      5.0
    2059 Achnanthes hungarica (Grunow) Grunow                                     0.66      4.0
    2048 Achnanthes laterostrata Hustedt                                          1.33      8.0
    2038 Achnanthes suchlandtii Hustedt                                           1.16      7.0
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                           3.82     23.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         0.33      2.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 6.65     40.0
   16015 Cocconeis placentula var. pseudolineata Geitler                          8.31     50.0
  201001 Ctenophora pulchella (Ralfs ex Kützing) Williams et Round                0.16      1.0
   20007 Cyclotella meneghiniana Kützing                                          1.99     12.0
   20012 Cyclotella pseudostelligera Hustedt                                      0.16      1.0
  197001 Diadesmis confervacea Kützing                                            6.15     37.0
   27008 Diatoma moniliformis Kützing                                             2.32     14.0
  187001 Eucocconeis flexella (Kützing) Cleve                                     0.16      1.0
   33185 Eunotia bilunaris (Ehrenberg) Souza in Souza and Moreira-Filho           0.66      4.0
   33026 Eunotia incisa Smith ex Gregory                                          0.33      2.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 6.15     37.0
   35001 Frustulia rhomboides (Ehrenberg) deToni                                  0.16      1.0
   37060 Gomphonema clevei Fricke in Schmidt et al.                               0.16      1.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.66      4.0
   44073 Melosira varians Agardh                                                  3.49     21.0
   45001 Meridion circulare (Greville) Agardh                                     0.99      6.0
   45002 Meridion circulare var. constrictum (Ralfs) Van Heurck                   0.99      6.0
   46014 Navicula cryptocephala Kützing                                           1.83     11.0
   46023 Navicula gregaria Donkin                                                 5.49     33.0
   46035 Navicula laterostrata Hustedt                                            0.66      4.0
   46039 Navicula minima Grunow in Van Heurck                                     0.66      4.0
   93306 Navicula pelliculosa (Kützing) Hilse                                     0.16      1.0
   46154 Navicula rhynchocephala Kützing                                          0.99      6.0
   46469 Navicula viridula var. avenacea (Brébisson ex Grunow) Van Heurck         0.33      2.0
   48004 Nitzschia amphibia Grunow                                                0.66      4.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.66      4.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        0.66      4.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.66      4.0
   48025 Nitzschia palea (Kützing) Smith                                          4.65     28.0
  194005 Placoneis elginensis (Gregory) Cox                                       0.33      2.0
  155003 Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot           9.15     55.0
  155002 Planothidium lanceolatum var. dubium                                     0.33      2.0
  186001 Psammothidium bioretii (Germain) Bukhtiyarova et Round                   0.33      2.0
   73001 Pseudostaurosira brevistriata (Grunow in Van Heurck) Williams et Ro+     9.15     55.0
   57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst                     0.33      2.0
  170006 Sellaphora pupula (Kützing) Meresckowsky                                 0.16      1.0
  170014 Sellaphora seminulum (Grunow) Mann                                       1.66     10.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+     6.82     41.0
  175004 Staurosirella leptostauron (Ehrenberg) Williams et Round                 0.33      2.0
  175005 Staurosirella pinnata (Ehrenberg) Williams et Round                      0.33      2.0
   65002 Surirella angusta Kützing                                                0.16      1.0
   66014 Synedra parasitica (Smith) Hustedt                                       0.33      2.0
   66016 Synedra rumpens Kützing                                                  0.83      5.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         1.33      8.0
   67004 Tabellaria flocculosa (Roth) Kützing                                     1.16      7.0
   70008 Thalassiosira weissflogii (Grunow) Fryxell et Hasle                      0.83      5.0


Report Date: 7/2/2022          Total Number of Taxa: 54          Total Number Counted: 601

Count Notes:

  ?
  Comments: R1 99.1 x 6.7 to 21.2 R2 98.7 x 7.8 to 12.7
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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