Diatoms of North AmericaDiatoms of North America

14 August 2022

PUBLICATION: Symmetric biraphid diatoms (largely non-Navicula) from the Laurentian Great Lakes

This large monograph, in over 500 images, illustrates the symmetric, biraphid taxa that are not part of Navicula sensu stricto (mostly). The autecology of many of the taxa is summarized. It is an important record of the diatom species of North America that are still being discovered.

Sarah Spaulding

ABSTRACT

This monograph contains descriptions of taxa from the diatom genera Craticula, Aneumastus, Decussiphycus, Cavinula, Lacustriella, Luticola, Mastogloia, Geissleria, Placoneis, Petroplacus, Navicula, Hippodonta, Sellaphora, Prestauroneis, Fallacia, Stauroneis, Brachysira, Anomoeoneis, Neidium, Diploneis, Caloneis, Pinnularia, Capartogramma, Frustulia, Amphipleura, Krasskella, Gyrosigma and Plagiotropis from periphytic and surface sediment samples in the coastal ecosystems of the Laurentian Great Lakes. Light micrographs are provided for diatom taxa recorded in 207 samples from 106 wetlands, embayments, high-energy and deep, nearshore locales of the five Great Lakes. 148 taxa are characterized, and 2 previously undescribed taxa are named. For 36 of the more common species,lake and habitat specificity, modelled optima for phosphorus and chloride and tolerance to coastal anthropogenic stressors are described.

Citation

Euan D. Reavie 2022. Symmetric biraphid diatoms (largely non-Navicula) from the Laurentian Great Lakes. Diatom Research. DOI: 10.1080/0269249X.2022.2096121

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