Diatom - Couverture souple

Couverture souple

ISBN 10 : 6130212968 ISBN 13 : 9786130212964

Editeur : Alphascript Publishing, 2010

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Diatoms are a major group of eukaryotic algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons (e.g.Fragillaria), fans (Meridion), zigzags (Tabellaria), or stellate colonies (Asterionella). Diatoms are producers within the food chain. A characteristic feature of diatom cells is that they are encased within a unique cell wall made of silica (hydrated silicon dioxide) called a frustule. These frustules show a wide diversity in form, some quite beautiful and ornate, but usually consist of two asymmetrical sides with a split between them, hence the group name. Fossil evidence suggests that they originated during, or before, the early Jurassic Period. Diatom communities are a popular tool for monitoring environmental conditions, past and present, and are commonly used in studies of water quality. Scientists specializing in their study are sometimes called diatomists.

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�diteur: Alphascript Publishing
Date d'�dition: 2010
Langue: anglais
ISBN 10: 6130212968
ISBN 13: 9786130212964
Reliure: Broch�
Nombre de pages: 72
�diteur: Miller Frederic P., Vandome Agnes F., McBrewster John
Coordonn�es du fabricant: non disponible
Personne responsable: non disponible

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Diatom

Frederic P Miller

Edit� par Alphascript Publishing Nov 2009, 2009

ISBN 10 : 6130212968 ISBN 13 : 9786130212964

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Diatoms are a major group of eukaryotic algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although they can exist as colonies in the shape of filaments or ribbons (e.g.Fragillaria), fans (Meridion), zigzags (Tabellaria), or stellate colonies (Asterionella). Diatoms are producers within the food chain. A characteristic feature of diatom cells is that they are encased within a unique cell wall made of silica (hydrated silicon dioxide) called a frustule. These frustules show a wide diversity in form, some quite beautiful and ornate, but usually consist of two asymmetrical sides with a split between them, hence the group name. Fossil evidence suggests that they originated during, or before, the early Jurassic Period. Diatom communities are a popular tool for monitoring environmental conditions, past and present, and are commonly used in studies of water quality. Scientists specializing in their study are sometimes called diatomists. Englisch. N� de r�f. du vendeur 9786130212964

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