Archives 2022
13 December 2022
Description: Stephanodiscus species are a prominent component of lake phytoplankton which occur across diverse environmental gradients such as...
10 December 2022
The 2022 series has been completed. Sessions were recorded and can be accessed below....
08 December 2022
We are pleased to again offer our summer freshwater algae field course. We focus on all groups of freshwater algae from diverse aquatic habitats....
07 December 2022
The International Society for Diatom Research (ISDR) is sponsoring an online Winter Solstice Party on December 21, 6:00 PM eastern (US and Canada)....
22 November 2022
Description: Phytoplankton play an important role in the monitoring of the Laurentian Great Lakes (USA), the world’s largest freshwater lake...
15 November 2022
The Iroquois people of North America believed that the earth rested on the back of a giant turtle swimming around in a vast ocean. It sounds...
08 November 2022
Description: There are many claims in the literature of “morphological species” subdivided by “molecular cryptic species”. But both “morphological...
25 October 2022
Description: Nature is usually pictured as a landscape scene, or a botanical detail— but what happens when you want to show the invisible or...
11 October 2022
Description: The South Platte River headwaters are located within the Colorado Mosquito Mountain Range. This river travels 380 miles throughout the...
30 September 2022
26th North American Diatom Symposium This year's gathering included the traditional posters, presentations, field trip, auction, and scum run, and...
30 September 2022
The diatom Didymosphenia geminata, also called "didymo" for short, has long been considered a cold-water, low nutrient indicator found in low...
24 August 2022
Over 600 students from Grades 7 and 8 from across the province of Nova Scotia participated in hands on, inquiry based, career related STEAM (STEM...
14 August 2022
ABSTRACT This monograph contains descriptions of taxa from the diatom genera Craticula, Aneumastus, Decussiphycus, Cavinula, Lacustriella, Luticola,...
31 May 2022
Attention all diatomists! Join Clint Davis, Alison Frohn, Paul Garrison, Leila Ben Khelifa, Heera Malik, Anna Nesterovich, Bart Van de Vijver and...
15 May 2022
Welcome to our new taxon page contributors Gus Danz, Laura Lopera Congote, Micaela Kersey and Mike Sullivan! Thank you to all our taxon page...
10 May 2022
Introduction to the Level 2 Diatom Species Exam Description: To insure that analysts are qualified in diatom identification, a genus level exam...
26 April 2022
Seascape genomics of Southern Ocean diatoms Description: Southern Ocean diatom communities are an integral component of short, efficient marine food...
12 April 2022
Species diversity and community dynamics of diatoms in the Savannah River estuaryDescription: The Savannah River has cultural, historic, and...
30 March 2022
The Association for the Sciences of Limnology and Oceanography (ASLO),The International Society of Limnology (SIL), The European Federation for...
30 March 2022
ABSTRACT Modern and fossil populations of a Stephanodiscus Ehrenberg species from June Lake, California (USA) were analysed using light and...
28 March 2022
A siliceous potpourris of freshwater organisms from the Cretaceous through the Eocene with a focus on diatoms Description: How old are freshwater...
15 March 2022
Diatoms from the 3rd dimension: Integrating 3D computer modeling for diatom research Description: What is the volume of a diatom? A question that...
02 March 2022
This startling study proved the universal symbiosis of diatom genus Epithemia with N2-fixing intracellular cyanobacteria by providing evidence for...
01 March 2022
Biddulphia or Odontella? a comparative guide on the morphology of the genera of benthic mediophyte diatoms Description: The systematics and...
15 February 2022
Holocene productivity of southern Lake Tanganyika inferred from diatom fossilsDescription: Lake Tanganyika is the longest freshwater lake in the...
11 February 2022
From the Introduction to Volume 1, This annotated and illustrated checklist updates and expands the one I published over ten years ago (Bahls 2009)....
06 February 2022
The foundational principles with which we view science are three-fold: transparency, reproducibility, and defensibility. We want to understand what...
01 February 2022
ABSTRACT Benthic diatom assemblages are known to be indicative of water quality but have yet to be widely adopted in biological assessments in the...
Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.
If you use and appreciate DONA, make your DONAtion today.
For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.