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Diatoms are used to monitor past and present environmental conditions, and are commonly used in studies of water quality. Diatomaceous earth (diatomite) is a collection of diatom shells found in the Earth's crust. They are soft, silica-containing sedimentary rocks which are easily crumbled into a fine powder and typically have a ...
Die Kieselalgen oder Diatomeen bilden ein Taxon von Photosynthese betreibenden Protisten und werden in die Gruppe der Stramenopilen eingeordnet. Oft wird die Gruppe mit dem synonymen Namen Diatomea Dumortier bezeichnet, alternativ sind auch die synonymen Namen Fragilariophyceae, Diatomophyceae in Verwendung. Einige Autoren nennen die ...
15. Mai 2024 · Diatoms are among the most important and prolific microscopic sea organisms and serve directly or indirectly as food for many animals. Diatomaceous earth , a substance composed of fossil diatoms, is used in filters, insulation, abrasives, paints, and varnishes and as a base in dynamite .
- The Editors of Encyclopaedia Britannica
1. März 2022 · Diatoms are a major phytoplankton group, playing a critical role in the biogeochemical cycles of chemical elements such as carbon. They are one of the most abundant single-celled photosynthetic algae, contributing to about 40% of total marine primary production. With the increasing population and associated consumption of resources ...
13. Mai 2009 · Marine diatoms rose to prominence about 100 million years ago and today generate most of the organic matter that serves as food for life in the sea. They exist in a dilute world where compounds...
- E. Virginia Armbrust
- 2009
Vor 5 Tagen · DiatomBase is a website that provides information on diatoms, a group of photosynthetic unicells with siliceous cell walls. Learn about their diversity, ecology, fossil record, applications, and more.
Diatoms are single celled algae with a silica shell that live in water and soil. Learn about their diversity, shapes, colours, photosynthesis, and sexual and asexual reproduction.
