31 December 2023
WORK SESSION: Documenting the diatom flora of National Parks
We held a workshop in Boulder from December 12-15 at INSTAAR, University of Colorado, with the objective of developing content for diatoms.org. We...
News
Archives 2023
31 December 2023
PUBLICATION: Microscopic image recognition of diatoms based on deep learning
ABSTRACT Diatoms are a crucial component in the study of aquatic ecosystems and ancient environmental records. However, traditional methods for...
21 December 2023
PUBLICATION: A review of the taxonomic diversity, host–parasite interactions, and experimental research on chytrids that parasitize diatoms
Diatoms (Bacillariophyta) are a major source of primary production on Earth, generating between 1/4 to 1/2 of all oxygen. They are found in almost...
15 December 2023
PUBLICATION: Small naviculoid species of Kobayasiella, Adlafia, Nupela, and Sellaphora
ABSTRACT Seven species from the genera Kobayasiella (K. madumensis Jørgensen, K. micropunctata Germain, K. parasubtilissima Kobayasi & Nagumo, K....
15 December 2023
OPPORTUNITY: Croasdale Fellowship
CROASDALE FELLOWSHIP The Hannah T. Croasdale Fellowships are designed to encourage graduate students to broaden their phycological training by...
05 December 2023
WEBINAR: The Lut Desert of Iran and its diatoms
Description: Nearly one third of the Earth’s land surface is covered by deserts. The Lut Desert in central Iran is an extreme desert. It has...
04 December 2023
Diatom Web Academy 2023
The 2023 series has been completed. Sessions were recorded and can be accessed below. ________________________________________ ARCHIVE Somayyeh...
28 November 2023
OPPORTUNITY: Advanced Phytoplankton Course
The Advanced Phytoplankton Course series (APC) was initiated in the 1970s at the University of Oslo with the support of UNESCO and its...
22 November 2023
WEBINAR: An improved SEM-based method for the forensic diatom test
Description: Diatoms exist extensively in rivers, lakes, and seas. With siliceous frustules, diatoms possess characteristics such as anti-acid...
18 November 2023
OPPORTUNITY: Freshwater algae identification workshop
We are pleased to again offer our summer freshwater algae field course. We focus on all groups of freshwater algae from diverse aquatic habitats....
11 November 2023
European Diatom Meeting 7-10 May, 2024
Situated on the shores of Lake Ohrid, a deep and ancient lake of tectonic origin that has existed for several million years, home of many endemic...
07 November 2023
WEBINAR: The loss of diatoms in the world's largest freshwater resource. Who is replacing them, and should we care?
Description: While diatoms remain the most abundant primary producer in the pelagic Laurentian Great Lakes, long-term time series data indicate that...
24 October 2023
WEBINAR: Using diatom DNA metabarcoding for stream monitoring and indicator development
Description: Diatoms have a long history of being used to characterize changes in environmental conditions and to identify effects of pollution...
18 October 2023
PUBLICATION: The silent extinction of species and taxonomists—an appeal to science policymakers and legislators
Abstract: The science of taxonomy, albeit being fundamental for all organismic research, has been underfunded and undervalued for about two...
10 October 2023
WEBINAR: From tundra ponds to the “Northern Great Lakes”: Climate-driven regime shifts in Arctic ecosystems
Description: Our lab has been working across the circum-polar Arctic for four decades, with a primary focus on the limnology and paleolimnology...
01 October 2023
In memoriam: Andrzej Witkowski
We say goodbye to a prominent scientist, an authority in palaeooceanology, a valued teacher and mentor. Andrzej Witkowski began working at the...
26 September 2023
WEBINAR: Big data in paleolimnology: unraveling trends and drivers of nutrient accumulation and lake productivity at a global scale
Description: Paleolimnological studies provide a unique opportunity to explore multi-decadal trends and patterns in lake ecosystems. Such...
20 September 2023
OPPORTUNITY: Postdoctoral research - algal physiology/genomics/molecular biology
The Kroth lab is studying different aspects of diatoms focusing on metabolism, photoreceptors, and genetic modification of diatoms, as well as...
12 September 2023
WEBINAR: A voucher flora of diatoms from fens in the Tanana River floodplain, Alaska
Description: Climate change and human activities may alter the structure and function of boreal peatlands by warming waters and changing their...
08 September 2023
PUBLICATION: Diatoms of Montana and western North America
We are happy to announce that Volume 2 of Loren Bahls' "Diatoms of Montana" has been published by the Academy of Natural Sciences of Philadelphia....
29 August 2023
Live from Yamagata, Japan
Plenary talks are open to ISDR members for zoom attendance. All talks are scheduled for 9:30 - 10:30 AM (Tokyo time). The meeting is concluded as of...
18 August 2023
Life Magnified Postage Stamps
A collection of postage stamps was released, featuring diatoms among other incredible views of the microscopic world. The stamps include scanning...
25 July 2023
WEBINAR: ISDR Early Career Research Grants
Description: The Council of the International Society for Diatom Research (ISDR) is announcing a grant program for Early Career Researchers...
24 July 2023
OPPORTUNITY: North Pacific Paleoceanography Postdoctoral Scholar
Dr. Christina Ravelo in the Ocean Sciences Department at the University of California, Santa Cruz (UCSC) invites applications for the position of...
24 July 2023
OPPORTUNITY: Early Career Researcher Grants
The ISDR Council is excited to announce a grant program for Early Career Researchers (ECRs) who are members of the society. The aim of the program...
23 July 2023
OPPORTUNITY: PhD position at Alfred Wegner Institute
Palaeoviromes: Host–Virus Interactions in Polar Regions from Ancient Sedimentary RNA/DNA Viruses are an essential part of all ecosystems. However,...
26 June 2023
OPPORTUNITY: Headwaters Leadership Academy
The mission of the Headwaters Leadership Academy is to build a pipeline for emerging leaders by forming a network of early career freshwater...
19 June 2023
In memoriam: Eduardo Morales
Eduardo loved the natural world, in all its myriad forms. Flowers, frogs, birds, algae; Eduardo appreciated them all. He especially loved the diatoms...
18 June 2023
PUBLICATION: Diversity and distribution of spine-bearing species of Pinnularia in eastern North America
All six species are shown to possess marginal spines, a trait sporadically encountered in Pinnularia and generally rare in raphid diatoms. Besides...
15 June 2023
International Diatom Symposium
A full program is planned for the symposium 28 August - 2 September, 2023. The proposed sessions include Marine/Freshwater...
23 May 2023
FAQ: What are homotypic and heterotypic synonyms?
A homotypic synonym is a name that refers to the same type specimen as another name. Homotypic synonyms are declared through a 'nomenclatural act',...
23 May 2023
FAQ: What is a basionym?
A basionym is the original name of a taxon on which a new combination (or name at new rank) is based. This term and its concept is confusing! An...
23 May 2023
WEBINAR: A peek at the diatoms.org upgrade
Description: The diatoms.org project website has plans for new features. This presentation will be a demonstration of improved abilities to search...
19 May 2023
Not dead yet: Diatom resting spores can survive in nature for several millennia
Understanding the adaptive capacities of species over long timescales lies in examining the revived recent and millennia-old resting spores buried...
15 May 2023
OPPORTUNITY: Paul Silva Student Grants
Eight awards of $1000 US will be granted to students in 2023. Students must be members of the International Phycological Society, however the call is...
09 May 2023
WEBINAR: Deciphering climate-lake linkages by coupling diatom ecology with lake sediment records
Description: Recent advances using experiments, seasonal and spatial distribution assessments, and modeling to better quantify diatom ecology are...
25 April 2023
WEBINAR: Uncertainties surrounding the oldest fossil record of diatoms
Description: Molecular clocks estimate that diatom microalgae, one of Earth’s foremost primary producers, originated near the Triassic–Jurassic...
12 April 2023
Summer 2023 field courses at Iowa Lakeside Laboratory
Two courses related to diatoms and algae are being offered in Summer 2023 at Iowa Lakeside Laboratory. Classes target advanced undergraduates,...
11 April 2023
WEBINAR: How to name diatom strains from taxonomic studies - integrating type information, morphology, and sequence data
Description: Clonal diatom cultures are a valuable resource for research from which sequence data such as 18S, 28S, ITS, and rbcL can be produced...
05 April 2023
Sarah Spaulding is the recipient of the 2023 Elizabeth Jester Fellows Award
Sarah Spaulding’s contributions to the aquatic sciences represent a career-long dedication and vision to improve science through coordination of...
28 March 2023
WEBINAR: Perspectives on the emergence of diatoms and their impact on the global biogeochemical cycle of silica
Description: The lack of diatoms in the fossil record has skewed our understanding of the evolution of diatoms and their impact on the global...
07 March 2023
MARDI workshop: Harmonisation of (sub)Arctic diatom taxonomy
Logistics Workshop: Harmonisation of (sub)Arctic diatom taxonomyDates: 6-8 June 2023 Registration Deadline: 31 MarchLocation: Ecosystems and...
04 March 2023
FAQ: What is a process?
Good question. There are not only an abundance of terms to describe the silicious parts of diatoms, but terms are often redundant and overlapping. In...
28 February 2023
WEBINAR: Diatom Certification Level 2 Species Exam
Description: To ensure that analysts are qualified in diatom identification, a genus level exam was developed. Under the umbrella of the Society for...
14 February 2023
WEBINAR: The great grandmother diatoms
Description: This presentation is to illuminate and celebrate the deep roots and ancestry of diatom lineages that led to the diverse and...
31 January 2023
WEBINAR: Spring habitats as living repositories of biodiversity
Description: Springs are mostly small but numerous and diverse habitats. They are island-like, “azonal” habitats, but range from connected to...
30 January 2023
LinnéSys: Systematics Research Fund 2023
The joint fund of the Linnean Society of London and the Systematics Association, the LinnéSys: Systematics Research Fund, provides grants annually in...
30 January 2023
Posting for algal taxonomist
In this position, the successful candidate will be required to process both Diatom and Soft Algae samples. Preference will be given to those who...
17 January 2023
WEBINAR: The detective in the museum: How the quest for type material can improve our ecological insights
Description: A major part of the diatom names we use nowadays are based on research performed in and descriptions made in the nineteenth century by...
06 January 2023
Postdoctoral opportunity at USGS
Ongoing aridification and consumptive water use in the U.S. Southwest is leading to declining reservoir water levels and associated shifts in...
06 January 2023
Doctoral opportunity at Charles University, Prague
Project description: In this project, our aim is to explore the composition and diversity of microbial communities (with special attention to...
03 January 2023
Diatoms - solving an identity issue
Along with other samples for the NARS assessments, diatom samples are shipped to labs across the country and processed by multiple analysts....
01 January 2023
Sarah Crump Graduate Fellowship
Unfortunately, Sarah was diagnosed with a rare and aggressive form of cancer in April 2022. After a hard-fought battle, the cancer spread, and she...
