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


Water Body: Jepson Brook           Site Location ID: ME-000447  Sample Label: 1339
Sample ID: MEDP0723                Client Sample ID: SA-824-2013r (1339)
Date Sample Collected: 06/27/2013  Count Finished: 01/16/2014
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Sonja Hausmann         Sample Type: RTH



   Naded Taxon Name                                                            Percent    Count Notes   
    2132 Achnanthes subhudsonis var. kraeuselii (Cholnoky) Cholnoky               1.18      4.0
    1024 Achnanthidium exiguum (Grunow in Cleve and Grunow) Czarnecki             0.29      1.0
    1023 Achnanthidium pyrenaicum (Hustedt) Kobayashi                             0.59      2.0
    1036 Achnanthidium rivulare Potapova et Ponader                               2.36      8.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         0.59      2.0
   10008 Aulacoseira ambigua (Grunow in Van Heurck) Simonsen                      1.18      4.0
   16004 Cocconeis placentula Ehrenberg                                           6.21     21.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 6.80     23.0
  197002 Diadesmis contenta (Grunow ex Van Heurck) Mann in Round, Crawford a+     0.59      2.0
 2506002 Discostella pseudostelligera (Hustedt) Houk et Klee                      1.47      5.0
  110004 Encyonema minutum (Hilse in Rabenhorst) Mann in Round, Crawford and+    12.42     42.0
 8942001 Eolimna minima (Grunow) Lange-Bertalot                                  12.42     42.0 Yes
 8942004 Eolimna subminuscula (Manguin) Moser, Lange-Bertalot et Metzeltin        0.88      3.0
   33183 Eunotia minor (Kützing) Grunow in Van Heurck                             3.84     13.0 Yes
   34098 Fragilaria capucina var. gracilis (Østrup) Hustedt                       2.36      8.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 1.77      6.0
   35036 Frustulia amphipleuroides (Grunow in Cleve and Grunow) Cleve-Euler       0.29      1.0
   37003 Gomphonema angustatum (Kützing) Rabenhorst                               0.88      3.0
   37178 Gomphonema minutum (Agardh) Agardh                                       0.29      1.0
   37010 Gomphonema parvulum (Kützing) Kützing                                   16.86     57.0
   40002 Hantzschia amphioxys (Ehrenberg) Grunow in Cleve and Grunow              0.88      3.0
   40006 Hantzschia virgata (Roper) Grunow in Cleve and Grunow                    0.29      1.0 Yes
   44073 Melosira varians Agardh                                                  0.59      2.0
   45002 Meridion circulare var. constrictum (Ralfs) Van Heurck                   0.29      1.0
   46014 Navicula cryptocephala Kützing                                           0.88      3.0
   46023 Navicula gregaria Donkin                                                 6.80     23.0
   46859 Navicula lanceolata (Agardh) Kützing                                     1.18      4.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 1.18      4.0
   48122 Nitzschia inconspicua Grunow                                             2.07      7.0
   48156 Nitzschia liebethruthii Rabenhorst                                       0.59      2.0
   48025 Nitzschia palea (Kützing) Smith                                          1.47      5.0
   48123 Nitzschia pusilla Grunow                                                 0.59      2.0
  194007 Placoneis explanata (Hustedt) Mayama in Mayama and Kawashima             0.29      1.0
  194072 Placoneis sp.                                                            0.59      2.0
  155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+     4.73     16.0
  155003 Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot           0.29      1.0
  155018 Planothidium rostratum (Østrup) Lange-Bertalot                           0.59      2.0
  186008 Psammothidium subatomoides (Hustedt in Schmidt) Bukhtiyarova et Rou+     0.59      2.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+     0.59      2.0
  172026 Staurosira sp.                                                           0.29      1.0 Yes
   65048 Surirella minuta Brébisson                                               0.59      2.0
   66016 Synedra rumpens Kützing                                                  0.88      3.0
   89889 Undetermined Pennate                                                     0.29      1.0


Report Date: 10/4/2022          Total Number of Taxa: 43          Total Number Counted: 338

Count Notes:

  ?
  Comments: Only 338 valves have been counted. The slide was full of silt with few diatoms interspersed. Many broken valves. Three transects have been counted.
 
Taxa Notes:
 
Naded 33183: Eunotia minor has a less dense striation (9-15/10 um) compared to Eunotia implicata (14-22/10 um). 11 striae/10 um were counted.
Naded 40006: This taxon has not been found before in the MEDP samples. Image was taken.
Naded 172026: Image has been taken.
Naded 8942001: 16 valves looked like Navicula sp 28 NAQWA EAM


 


 
Counts version 3.3 - last revision 2/16/2021
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