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


Water Body: Delaware River         Site Location ID: DR8190  Sample Label:
Sample ID: PWD0060                 Client Sample ID: DR8190062713
Date Sample Collected: 06/27/2013  Count Finished: 10/28/2013
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Sonja Hausmann         Sample Type: PP



   Naded Taxon Name                                                            Percent    Count Notes   
    2132 Achnanthes subhudsonis var. kraeuselii (Cholnoky) Cholnoky               0.80      5.0
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                           1.92     12.0
    1023 Achnanthidium pyrenaicum (Hustedt) Kobayashi                             0.64      4.0
    1036 Achnanthidium rivulare Potapova et Ponader                               1.92     12.0
   86002 Actinocyclus normanii (Gregory) Hustedt                                  2.72     17.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         0.64      4.0
    9001 Asterionella formosa Hassall                                             1.44      9.0
   10008 Aulacoseira ambigua (Grunow in Van Heurck) Simonsen                      1.44      9.0
   10009 Aulacoseira distans (Ehrenberg) Simonsen                                 0.96      6.0
   10018 Aulacoseira granulata (Ehrenberg) Simonsen                               0.96      6.0
   10990 Aulacoseira sp. 1 ?                                                      0.16      1.0
   10015 Aulacoseira subarctica (Müller) Haworth                                  0.16      1.0
   12001 Caloneis bacillum (Grunow) Cleve                                         0.32      2.0
   16025 Cocconeis neothumensis Krammer                                           1.12      7.0
   16004 Cocconeis placentula Ehrenberg                                           1.12      7.0
   19000 Cyclostephanos dubius (Fricke) Round                                     0.32      2.0
   19002 Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et+     0.48      3.0
   19001 Cyclostephanos tholiformis Stoermer, Håkansson et Theriot                0.32      2.0 Yes
   20001 Cyclotella atomus Hustedt                                                0.48      3.0
   20063 Cyclotella distinguenda Hustedt                                          0.32      2.0
   20067 Cyclotella hakanssoniae Wendker                                         13.94     87.0 Yes
   20060 Cyclotella meduanae Germain                                              4.32     27.0
   20007 Cyclotella meneghiniana Kützing                                          5.12     32.0
   20011 Cyclotella striata (Kützing) Grunow in Cleve and Grunow                 15.54     97.0
   80001 Cymatosira belgica Grunow in Van Heurck                                  0.80      5.0
   23814 Cymbella subturgidula Krammer                                            0.16      1.0
   27012 Diatoma tenuis Agardh                                                    0.16      1.0
   27013 Diatoma vulgaris Bory                                                    1.12      7.0
 2506002 Discostella pseudostelligera (Hustedt) Houk et Klee                      0.96      6.0
 2506005 Discostella woltereckii (Hustedt) Houk et Klee                           0.32      2.0
  110004 Encyonema minutum (Hilse in Rabenhorst) Mann in Round, Crawford and+     0.96      6.0
  110005 Encyonema silesiacum (Bleisch in Rabenhorst) Mann in Round, Crawfor+     1.92     12.0
 8942001 Eolimna minima (Grunow) Lange-Bertalot                                   0.16      1.0
   34006 Fragilaria capucina Desmazières                                          1.44      9.0
   34098 Fragilaria capucina var. gracilis (Østrup) Hustedt                       0.16      1.0
   34212 Fragilaria sepes Ehrenberg                                               0.48      3.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.48      3.0
   37990 Gomphonema sp. 1 ?                                                       0.32      2.0
   38030 Gyrosigma sp.                                                            0.16      1.0
  213002 Hippodonta hungarica (Grunow) Lange-Bertalot, Metzeltin et Witkowski     0.96      6.0
  213003 Hippodonta lueneburgensis (Grunow) Lange-Bertalot, Metzeltin et Wit+     0.32      2.0
   45001 Meridion circulare (Greville) Agardh                                     0.64      4.0
   46648 Navicula erifuga Lange-Bertalot in Krammer and Lange-Bertalot            1.12      7.0
   46023 Navicula gregaria Donkin                                                 1.44      9.0
   46859 Navicula lanceolata (Agardh) Kützing                                     3.20     20.0
   46649 Navicula recens (Lange-Bertalot) Lange-Bertalot in Krammer and Lang+     0.32      2.0
   46104 Navicula tripunctata (Müller) Bory                                       0.16      1.0
   46504 Navicula veneta Kützing                                                  0.32      2.0
   48417 Nitzschia archibaldii Lange-Bertalot                                     1.60     10.0
   48197 Nitzschia brevissima Grunow ex Van Heurck                                0.32      2.0
   48137 Nitzschia clausii Hantzsch                                               0.48      3.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.64      4.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        0.16      1.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 1.28      8.0
   48122 Nitzschia inconspicua Grunow                                             0.48      3.0
   48156 Nitzschia liebethruthii Rabenhorst                                       1.28      8.0
   48025 Nitzschia palea (Kützing) Smith                                          0.32      2.0
   48228 Nitzschia palea var. debilis (Kützing) Grunow in Cleve and Grunow        0.80      5.0
   48123 Nitzschia pusilla Grunow                                                 0.32      2.0
   95001 Paralia sulcata (Ehrenberg) Cleve                                        0.80      5.0
  155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+     0.32      2.0
  155003 Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot           0.32      2.0
 2508004 Platessa hustedtii (Krasske) Lange-Bertalot in Krammer and Lange-Be+     0.64      4.0
   55002 Reimeria sinuata (Gregory) Kociolek et Stoermer                          1.44      9.0
   84990 Rhaphoneis sp. 1 ?                                                       0.16      1.0
   57002 Rhoicosphenia abbreviata (Agardh) Lange-Bertalot                         1.60     10.0
   59001 Simonsenia delognei (Grunow) Lange-Bertalot                              0.16      1.0
   60001 Skeletonema costatum (Greville) Cleve                                    0.32      2.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+     0.16      1.0
 9092001 Stephanocostis lucens (Hustedt) Genkal et Makarova in Makarova and +     0.80      5.0
   64010 Stephanodiscus hantzschii Grunow in Cleve and Grunow                     0.16      1.0
   64018 Stephanodiscus minutulus (Kützing) Cleve et Möller                       0.32      2.0
   64001 Stephanodiscus niagarae Ehrenberg                                        0.16      1.0
   64003 Stephanodiscus parvus Stoermer et Håkansson                              0.16      1.0
   65064 Surirella brebissonii var. kuetzingii Krammer et Lange-Bertalot          0.64      4.0
   65020 Surirella tenera Gregory                                                 0.32      2.0
   67004 Tabellaria flocculosa (Roth) Kützing                                     0.32      2.0
   70030 Thalassiosira exigua Fryxell et Hasle in Hasle and Fryxell               0.32      2.0
   70005 Thalassiosira gessneri Hustedt                                           0.48      3.0
   70029 Thalassiosira proschkinae Makarova in Makarova, Genkal and Kuzmin        1.92     12.0
   70007 Thalassiosira pseudonana Hasle et Heimdal                                0.96      6.0 Yes
   70003 Thalassiosira visurgis Hustedt                                           2.56     16.0
   70008 Thalassiosira weissflogii (Grunow) Fryxell et Hasle                      0.32      2.0
  185023 Tryblionella apiculata Gregory                                           0.32      2.0
  185026 Tryblionella levidensis Smith                                            0.16      1.0
  245001 Ulnaria ulna (Nitzsch) Compère                                           0.32      2.0
   89889 Undetermined Pennate                                                     0.80      5.0


Report Date: 10/14/2019          Total Number of Taxa: 87          Total Number Counted: 624

Count Notes:

  ?
  Comments: Lots of silt. Many diatoms were corroded.
 
Taxa Notes:
 
Naded 19001: Can be distinguished from Cyclostephanos invisitatus with certainty only in the SEM.
Naded 20067: It is like a mini version (diameter 5 micron) of Cyclotella striata.
Naded 70007: Can look very similar to Discostella pseudostelligera.


 


 
Counts version 3.2 - last revision 6/17/2017
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