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


Water Body: Thacher Brook          Site Location ID: ME-000463  Sample Label: 1265
Sample ID: MEDP0761                Client Sample ID: WA-043-2013e (1265)
Date Sample Collected: 06/03/2013  Count Finished: 04/25/2014
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Sonja Hausmann         Sample Type:



   Naded Taxon Name                                                            Percent    Count Notes   
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                          23.34    152.0
    1023 Achnanthidium pyrenaicum (Hustedt) Kobayashi                             0.30      2.0
    1036 Achnanthidium rivulare Potapova et Ponader                               0.76      5.0
    6001 Amphipleura pellucida (Kützing) Kützing                                  1.22      8.0
   18013 Brachysira microcephala (Kützing) Compère                                0.15      1.0
  201001 Ctenophora pulchella (Ralfs ex Kützing) Williams et Round                0.15      1.0
   20007 Cyclotella meneghiniana Kützing                                          0.30      2.0
   20008 Cyclotella michiganiana Skvortzow                                        0.46      3.0
   27008 Diatoma moniliformis Kützing                                             8.44     55.0
   27012 Diatoma tenuis Agardh                                                    0.15      1.0 Yes
  110004 Encyonema minutum (Hilse in Rabenhorst) Mann in Round, Crawford and+     1.53     10.0 Yes
  110005 Encyonema silesiacum (Bleisch in Rabenhorst) Mann in Round, Crawfor+     0.46      3.0
  187002 Eucocconeis laevis (Østrup) Lange-Bertalot in Lange-Bertalot and Ge+     0.15      1.0
   33004 Eunotia bidentula Smith                                                  0.30      2.0
   33185 Eunotia bilunaris (Ehrenberg) Souza in Souza and Moreira-Filho           2.15     14.0
   33168 Eunotia implicata Nörpel, Alles et Lange-Bertalot in Alles, Nörpel +     0.92      6.0
   33026 Eunotia incisa Smith ex Gregory                                          0.15      1.0
   33183 Eunotia minor (Kützing) Grunow in Van Heurck                             0.61      4.0
   33036 Eunotia naegelii Migula                                                  0.15      1.0
  115008 Fallacia tenera (Hustedt in Schmidt et al.) Mann in Round, Crawford+     3.37     22.0
   34006 Fragilaria capucina Desmazières                                          2.76     18.0
   34098 Fragilaria capucina var. gracilis (Østrup) Hustedt                       0.92      6.0
   34212 Fragilaria sepes Ehrenberg                                               1.53     10.0
   34105 Fragilaria tenera (Smith) Lange-Bertalot                                 0.76      5.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 3.22     21.0
   37001 Gomphonema acuminatum Ehrenberg                                          0.92      6.0
   37003 Gomphonema angustatum (Kützing) Rabenhorst                               0.15      1.0
   37007 Gomphonema gracile Ehrenberg                                             1.53     10.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    5.68     37.0
  213001 Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkow+     0.15      1.0
   45001 Meridion circulare (Greville) Agardh                                     0.15      1.0
   45002 Meridion circulare var. constrictum (Ralfs) Van Heurck                   0.30      2.0
   46014 Navicula cryptocephala Kützing                                           1.84     12.0
   46750 Navicula cryptofallax Lange-Bertalot et Hofmann in Lange-Bertalot        0.76      5.0
   46859 Navicula lanceolata (Agardh) Kützing                                     0.30      2.0
   46056 Navicula radiosa Kützing                                                 0.61      4.0
   93383 Navicula sp.                                                             0.15      1.0
   48002 Nitzschia acicularis (Kützing) Smith                                     1.07      7.0
   48347 Nitzschia acidoclinata Lange-Bertalot                                    2.45     16.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.30      2.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 0.30      2.0
   48015 Nitzschia gracilis Hantzsch in Rabenhorst                                0.92      6.0
   48228 Nitzschia palea var. debilis (Kützing) Grunow in Cleve and Grunow        1.07      7.0
   48029 Nitzschia recta Hantzsch ex Rabenhorst                                   0.30      2.0
  186008 Psammothidium subatomoides (Hustedt in Schmidt) Bukhtiyarova et Rou+     0.15      1.0
   73013 Pseudostaurosira trainorii Morales                                       0.15      1.0
  189002 Rossithidium linearis (Smith) Round et Bukhtiyarova                      1.22      8.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+     0.76      5.0
  175005 Staurosirella pinnata (Ehrenberg) Williams et Round                      0.15      1.0
   65048 Surirella minuta Brébisson                                               0.15      1.0
   67004 Tabellaria flocculosa (Roth) Kützing                                     0.61      4.0
   67007 Tabellaria flocculosa var. linearis Koppen                               0.15      1.0
  245005 Ulnaria acus (Kützing) Aboal in Aboal, Alvarez-Cobelas, Cambra and +     8.44     55.0
  245001 Ulnaria ulna (Nitzsch) Compère                                          14.74     96.0


Report Date: 5/16/2022          Total Number of Taxa: 54          Total Number Counted: 651

Count Notes:

  ?
  Comments: 651 valves were counted. This site is impacted by parking lot run-off.
 
Taxa Notes:
 
Naded 27012: Diatoma tenuis has capitated ends compared to Diatoma moniliformis. Diatoma tenuis is more linear in shape compared to D. moniliformis. Image was taken.
Naded 110004: E. minutum has curved distal raphe ends. E. silisiacum has comma shaped distal raphe ends.


 


 
Counts version 3.3 - last revision 2/16/2021
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