North American Diatom Ecological Database - NADED Phycology Section, Patrick Center for Environmental Research Diatom Count Report
Water Body: Swan Lake Site Location ID: NLS-NLA06608-0223 Sample Label: T Sample ID: NLS00003 Client Sample ID: 502917 Date Sample Collected: 06/27/2007 Count Finished: 01/18/2008 Subsample ID: DT1 Slide Replicate ID: A Count Replicate ID: 1 Counted By: Mihaela Enache Sample Type:
Naded Taxon Name Percent Count Notes 1010 Achnanthidium minutissimum (Kützing) Czarnecki 0.20 1.0 7001 Amphora ovalis (Kützing) Kützing 0.20 1.0 9001 Asterionella formosa Hassall 15.20 76.0 10008 Aulacoseira ambigua (Grunow in Van Heurck) Simonsen 10.40 52.0 10018 Aulacoseira granulata (Ehrenberg) Simonsen 17.60 88.0 10017 Aulacoseira granulata var. angustissima (Müller) Simonsen 0.80 4.0 10061 Aulacoseira subborealis (Nygaard) Denys, Muylaert et Krammer in Den+ 22.20 111.0 10059 Aulacoseira tenella (Nygaard) Simonsen 0.40 2.0 2506003 Discostella stelligera (Cleve et Grunow in Cleve) Houk et Klee 13.80 69.0 34006 Fragilaria capucina Desmazières 0.80 4.0 34088 Fragilaria nanana Lange-Bertalot 10.60 53.0 34148 Fragilaria parasitica (Smith) Grunow in Van Heurck 0.20 1.0 34990 Fragilaria sp. 1 ? 1.60 8.0 46044 Navicula notha Wallace 0.20 1.0 48029 Nitzschia recta Hantzsch ex Rabenhorst 0.40 2.0 52049 Pinnularia obscura Krasske 0.80 4.0 52071 Pinnularia viridis (Nitzsch) Ehrenberg 0.40 2.0 172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+ 2.00 10.0 175005 Staurosirella pinnata (Ehrenberg) Williams et Round 1.00 5.0 66053 Synedra delicatissima var. angustissima Grunow in Van Heurck 1.00 5.0 66024 Synedra ulna (Nitzsch) Ehrenberg 0.20 1.0
Report Date: 6/2/2023 Total Number of Taxa: 21 Total Number Counted: 500
Count Notes:
? Comments: F nanana are very skiny and lightly silicified. Hard to identify
Last field has a very large Fragilaria (S. construens venter) chain that I didn;t finish to count (above 500 valves)
Fragilaria sp. 1? may be nanana as well but central area enlarged (~crotonensis)
A. ambigua with thin elongated valves lack of a clear empty ringleist.
Taxa Notes:
None.
Counts version 3.3 - last revision 2/16/2021 If problems with this page, please email