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


Water Body: Rock Creek             Site Location ID: IH97SWIROC39  Sample Label: 97SWIROC39
Sample ID: IH020779                Client Sample ID: 41097-2705
Date Sample Collected: 09/24/1997  Count Finished: 06/23/1998
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Lara Panayotoff        Sample Type: HC



   Naded Taxon Name                                                            Percent    Count Notes   
    2015 Achnanthes lanceolata (Brébisson ex Kützing) Grunow                      1.00      8.0
    2096 Achnanthes lewisiana Patrick                                             0.12      1.0
    2030 Achnanthes minutissima Kützing                                           5.37     43.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 0.62      5.0
   23089 Cymbella cymbiformis Agardh                                              0.12      1.0
   23015 Cymbella minuta var. silesiaca (Bleisch ex Rabenhorst) Reimer            0.12      1.0
   23051 Cymbella sinuata Gregory                                                 0.25      2.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 0.50      4.0
   36003 Gomphoneis herculeana (Ehrenberg) Cleve                                  0.12      1.0
   36004 Gomphoneis herculeanum var. robusta (Grunow) Cleve                       0.12      1.0
   37098 Gomphonema intricatum var. pumila Grunow ex Van Heurck                  35.37    283.0
   37075 Gomphonema olivaceoides var. hutchinsoniana Patrick                      1.12      9.0
   37080 Gomphonema rhombicum Fricke in Schmidt et al.                           14.75    118.0
   37029 Gomphonema subclavatum (Grunow in Van Heurck) Grunow                    36.00    288.0
   37031 Gomphonema ventricosum Gregory                                           0.12      1.0
   39001 Hannaea arcus (Ehrenberg) Patrick in Patrick and Reimer                  0.37      3.0
   46572 Navicula cf. lundii Reichardt                                            0.37      3.0
   46170 Navicula cryptocephala var. veneta (Kützing) Rabenhorst                  0.12      1.0
   46523 Navicula ignota var. acceptata (Hustedt) Lange-Bertalot                  0.25      2.0
   46058 Navicula radiosa var. tenella (Brébisson ex Kützing) Grunow              0.25      2.0
   46395 Navicula secreta var. apiculata Patrick                                  0.12      1.0
   46084 Navicula tridentula Krasske                                              0.12      1.0
   48004 Nitzschia amphibia Grunow                                                0.12      1.0
   48297 Nitzschia cf. acidoclinata Lange-Bertalot                                0.12      1.0
   48296 Nitzschia cf. archibaldii CODY Lange-Bertalot                            0.12      1.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     1.00      8.0
   48017 Nitzschia hantzschiana Rabenhorst in Grunow                              0.12      1.0
   48122 Nitzschia inconspicua Grunow                                             0.62      5.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.12      1.0
   48165 Nitzschia paleacea Grunow in Van Heurck                                  0.12      1.0
   57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst                     0.12      1.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         0.12      1.0


Report Date: 6/24/2022          Total Number of Taxa: 32          Total Number Counted: 800

Count Notes:

  ?
  Comments: start 105.5 x 20.3 2nd row 105.1 x 20.9 end 105.1 x 15.1 G. subclavatum/G intricatum v. pumilum: not able to distinguish between GVs of these two taxa. Counted total GVs and split based on relative abundance of the two.
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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