North American Diatom Ecological Database - NADED Phycology Section, Patrick Center for Environmental Research Diatom Count Report
Water Body: Conchas River Site Location ID: NRSA-FW08NM013 Sample Label: Sample ID: NRSA0008 Client Sample ID: 521134.1 Date Sample Collected: 07/31/2008 Count Finished: Subsample ID: DT1 Slide Replicate ID: a Count Replicate ID: 1 Counted By: Eduardo Morales Sample Type:
Naded Taxon Name Percent Count Notes 1038 Achnanthidium deflexum (Reimer in Patrick and Reimer) Kingston 1.25 1.0 206001 Biremis circumtexta (Meister ex Hustedt in A. Schmidt) Lange-Bertal+ 2.50 2.0 12001 Caloneis bacillum (Grunow) Cleve 6.25 5.0 12010 Caloneis silicula (Ehrenberg) Cleve 8.75 7.0 16011 Cocconeis pediculus Ehrenberg 1.25 1.0 16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 2.50 2.0 25008 Denticula kuetzingii Grunow 1.25 1.0 110005 Encyonema silesiacum (Bleisch in Rabenhorst) Mann in Round, Crawfor+ 6.25 5.0 32006 Epithemia sorex Kützing 1.25 1.0 38012 Gyrosigma scalproides (Rabenhorst) Cleve 23.75 19.0 38004 Gyrosigma spencerii (Smith) Griffith et Henfrey 3.75 3.0 40002 Hantzschia amphioxys (Ehrenberg) Grunow in Cleve and Grunow 8.75 7.0 130002 Luticola mutica (Kützing) Mann in Round, Crawford and Mann 6.25 5.0 46648 Navicula erifuga Lange-Bertalot in Krammer and Lange-Bertalot 5.00 4.0 48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck 2.50 2.0 48378 Nitzschia solita Hustedt 5.00 4.0 52013 Pinnularia borealis Ehrenberg 1.25 1.0 73001 Pseudostaurosira brevistriata (Grunow in Van Heurck) Williams et Ro+ 2.50 2.0 57002 Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 1.25 1.0 58007 Rhopalodia brebissonii Krammer in Lange-Bertalot and Krammer 1.25 1.0 172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+ 3.75 3.0 185024 Tryblionella hungarica (Grunow) Frenguelli 3.75 3.0
Report Date: 11/29/2023 Total Number of Taxa: 22 Total Number Counted: 80
Count Notes:
? Comments: Row 1 x 108, y 4, y 17. Sparse slide. Only 13 diatoms found along a whole transect. A full count would not be reached by time limit.
Continued count: Row 2 x 109, y 17, y 2, Row 3 x 108, y 2, y 17, Row 4 x 107, y 17, y 2, Row 5 x 105, y 2, y 17, Row 6 x 104, y 17, y 2, Row 7 x 103, y 2, y 17. Sparse sample. Only 80 valves counted in four hours and after 7 transects. Sample is heavy in sediments and some reddish residues (iron oxide?).
Taxa Notes:
None.
Counts version 3.3 - last revision 2/16/2021 If problems with this page, please email