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Book ID: 97667
Iconographia Diatomologica

Annotated Diatom Micrographs. Ed. by Horst Lange - Bertalot. Volume 21: Zimmermann, Claudia, Michel Poulin and Reinhard Pienitz: Diatoms of North America: The Pliocene - Pleistocene freshwater flora of Bylot Island, Nunavut, Canadian High Arctic. 2010. 97 plates (LM & SEM). VI, 407 p. gr8vo. Hardcover. - With French and German summaries. (ISBN 978-3-906166-83-4)

This monograph presents the fossil diatom remains collected from a forest - tundra deposit discovered in 2001 on Bylot Island (72-74N,60 - 80W), just north of Baffin Island (Nunavut, Canadian High Arctic).Located more than 2000 km north of the present - day northern treeline,the sediments associated with this fossil forest have been tentatively dated at ca. 2 - 2.5 Ma BP corresponding to the late Pliocene - early Pleistocene period. Several late Tertiary and early Pleistocene fossil beds in North American arctic regions have yielded abundant well - preserved remains of plants and animals, documenting the past existence of coniferous forests at high latitudes. However, the diatom assemblages of these sites have not been documented until the present and our knowledge of the late Pliocene - early Pleisocene siliceous algal flora remains scarce.Nine out of a total of 30 analyzed samples contained enough diatom frustules for paleoenvironmental interpretations. These samples originated from three different outcrops within an organic - rich layer assigned to the late Pliocene, representing different stages of wetland (peatland) development within a forested catchment. A totalof 218 diatom taxa in 52 genera were recorded and documented on 97 plates with light (LM) and scanning electron microscope (SEM)photomicrographs. The fossil diatom flora was dominated by pennate forms belonging to the genera Cymbella sensu lato, Eunotia, Fragilariasensu lato, Navicula sensu lato and Pinnularia. Less than 2% belonged to centric diatoms, represented by Ellerbeckia arenaria and taxa of the genus Aulacoseira. This monograph complements information on taxonomy, ecology and distribution of North American diatoms, gathered within the series 'Diatoms of North America'.
Author Iconographia Diatomologica
Article type Titel
Author Iconographia Diatomologica
Page image Iconographia Diatomologica: Annotated Diatom Micrographs. Ed. by Horst Lange - Bertalot. Volume 21: Zimmermann, Claudia, Michel Poulin and Reinhard Pienitz: Diatoms of North America: The Pliocene - Pleistocene freshwater flora of Bylot Island, Nunavut, Canadian High Arctic. 2010. 97 plates (LM & SEM). VI, 407 p. gr8vo. Hardcover. - With French and German summaries. (97667) 138.00 (ISBN 978-3-906166-83-4)
Series Title Iconographia Diatomologica
Series no 21
Manufacturer Koeltz Botanical Books
Price excl. VAT 128,97
US price excl. VAT 161,2
EAN 9783906166834
ISBN 9783906166834
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