How to measure the length, width, and stria density of diatoms
ImageJ is a free, powerful software program. It has a handy tool for measuring diatoms from light micrographs or scanning electron micrographs. At...
Diatoms of North America is created by and for practitioners, people who work at the microscope and people who consider diatom ecology to solve environmental problems.
Stay current with genus and species pages as they are opened to public view. The most recent updates are posted here.
Specialized resources for people using Diatoms of North America.
ImageJ is a free, powerful software program. It has a handy tool for measuring diatoms from light micrographs or scanning electron micrographs. At...
There are many methods that can be used to remove organic matter from diatoms. The best method depends on the type of sample and the amount of...
Become a diatom taxonomist, certified by the Society for Freshwater Science. The Level 1 Diatom Taxonomic Certification indicates an up-to-date...
Here, you can find links to archived genus and species pages: Achnanthidium kreigeri (prior_to_2021_09_01) Pinnularia polyonca (prior_to_2021_08)...
Taxonomic Bias Datasets produced by different analysts are incompatible (Lee et al. 2019). Figure 1 illustrates a diatom survey, with each point...
The taxon authorship names have been adjusted to the format established by The International Plant Names Index (IPNI). This index is the most...
As the online taxonomic and ecological resource grows, we are seeking new contributors to submit taxon pages. This project depends on the involvement...
GUIDELINES FOR SPECIES PAGE REVIEW One reviewer from the diatomist community will critique each taxon page before it becomes visible to the public....
The search function (upper left corner of each page) on Diatoms of North America allows practitioners to search for strings within a number of data...
Before starting to prepare a permanent diatom slide, organic matter must be removed from the sample. The following supplies and process are for the...
The number of striae, or other rotational elements of centric diatoms, such as fascicles, costae, spines, rimoportulae, fultoportulae and other valve...
On each species page, in the autecology section, a series of autecology tags appear. The tags are categorical measures of diatom lifestyle and coded...