North American Diatom Ecological Database - NADED
Phycology Section, Patrick Center for Environmental Research
Diatom Count Report
Water Body: NORWALK R Site Location ID: GS01209700 Sample Label:
Sample ID: GS017193 Client Sample ID: CONN1094ARE0100B
Date Sample Collected: 10/13/1994 Count Finished:
Subsample ID: DT1 Slide Replicate ID: a Count Replicate ID: 1
Counted By: Noma Ann Roberts Sample Type: RTH
Naded Taxon Name Percent Count Notes
2126 Achnanthes deflexa Reimer 0.33 2.0
2030 Achnanthes minutissima Kützing 0.16 1.0
2132 Achnanthes subhudsonis var. kraeuselii (Cholnoky) Cholnoky 31.16 187.0
7003 Amphora ovalis var. pediculus (Kützing) Van Heurck ex DeTony 0.16 1.0
7004 Amphora perpusilla (Grunow) Grunow 4.00 24.0
12001 Caloneis bacillum (Grunow) Cleve 1.33 8.0
12004 Caloneis ventricosa var. truncatula (Grunow in Van Heurck) Meister 0.33 2.0
16011 Cocconeis pediculus Ehrenberg 0.16 1.0
16005 Cocconeis placentula var. euglypta (Ehrenberg) Grunow 20.33 122.0
16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 4.83 29.0
23051 Cymbella sinuata Gregory 2.66 16.0
27004 Diatoma vulgare Bory 0.16 1.0
34003 Fragilaria brevistriata Grunow 0.50 3.0
34013 Fragilaria construens var. binodis (Ehrenberg) Grunow 0.50 3.0
34014 Fragilaria construens var. pumila Grunow 1.16 7.0
34016 Fragilaria construens var. venter (Ehrenberg) Grunow 0.83 5.0
34030 Fragilaria vaucheriae (Kützing) Petersen 2.50 15.0
35002 Frustulia rhomboides var. amphipleuroides (Grunow) DeToni 0.50 3.0
37069 Gomphonema angustatum var. intermedia Grunow in Van Heurck 0.50 3.0
37010 Gomphonema parvulum (Kützing) Kützing 0.66 4.0
46289 Navicula peregrina (Ehrenberg) Kützing 0.33 2.0
46440 Navicula perpusilla Grunow 0.33 2.0
46469 Navicula viridula var. avenacea (Brébisson ex Grunow) Van Heurck 0.16 1.0
48004 Nitzschia amphibia Grunow 7.83 47.0
48014 Nitzschia frustulum var. perminuta Grunow 3.83 23.0
48178 Nitzschia sinuata var. tabellaria (Grunow) Grunow in Van Heurck 0.33 2.0
57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst 13.50 81.0
66050 Synedra fasciculata (Agardh) Kützing 0.50 3.0
66057 Synedra rumpens var. meneghiniana Grunow 0.16 1.0
66024 Synedra ulna (Nitzsch) Ehrenberg 0.16 1.0
Report Date: 6/5/2023 Total Number of Taxa: 30 Total Number Counted: 600
Count Notes:
None.
Taxa Notes:
None.
Counts version 3.3 - last revision 2/16/2021
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