News

06 August 2020

Diatom Web Academy

We are expanding the number of webinars in the Diatom Web Academy during the pandemic. Most sessions (but not all) will be recorded and can be...

04 August 2020

WEBINAR: The genus Eunotia

The genus Eunotia Description: The diatom genus Eunotia Ehrenberg is diverse in freshwaters worldwide, especially acidic, dystrophic or...

22 July 2020

WEBINAR: California Algal Assessment

California Algal Assessment Description: We recently completed the development of a statewide algal index for bioassessment applications in...

09 July 2020

WEBINAR: Navigating diatom nomenclature

Navigating diatom nomenclature Description: We use scientific names to describe and identify our diatoms. This workshop will introduce everyone...

23 June 2020

WEBINAR: What is a diatom species?

Description: Beginning with Linnaeus, scientists and philosophers have developed many concepts in response to the question, “what is a...

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09 June 2020

WEBINAR: Directional selection observed in lake records from western North America

Description: Directional selection is a form of evolutionary change in which an extreme feature of a population is favored and, over time, the...

12 May 2020

WEBINAR: Voucher flora workshop

Format: We offered two-part online training in constructing a diatom voucher flora. In Part 1, we oriented participants to the process and direct...

28 April 2020

WEBINAR: Diatoms and paleolimnology

Description: Paleolimnology, the study of lake sediments to interpret lake history, allows understanding of lakes on annual, decadal, and millennial...

14 April 2020

WEBINAR: Using diatom DNA in environmental assessments

Description: DNA-based identification of diatoms has been proposed and, in some places, implemented as a cost-, time-, and expertise-effective...

31 March 2020

WEBINAR: The genus Planothidium

Description: The diatom genus Planothidium Round and L. Bukhtiyarova includes several morphospecies that are extremely common in freshwaters and...

17 March 2020

WEBINAR: Using diatoms in ecological assessment

Description: The goal of this overview is to describe the relationships among environmental management and the many types of assessment information...