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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN Print: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v16.i3.10
pages 207-228

Biogeography of Bacillariophyta. Main Concepts and Approaches

M. S. Kulikovskiy
Institute of Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia
I. V. Kuznetsova
I.D. Papanin Institute of Biology of Inland Waters, Russian Academy of Sciences, Settle of Borok, Nekouzskiy District, Yaroslavl Region 152742, Russia


The historical reasons for the formation of approaches to biogeography and distribution of diatoms are analyzed. One of the prevailing concepts was cosmopolitan distribution of diatoms. Approach described by sentence "everything is everywhere, the environment selects" is discussed. The idea concerning local distribution of many taxa is substantiated; it is supported by modern ideas about species concept in diatoms and presence of cryptic and pseudocryptic diversity. New data about allopatric and sympatric speciation in diatoms and other protists are discussed. Presence of species flocks in ancient basins, flagship taxa, hotspots and dark diversity are discussed and illustrated by original data. The concept of endemic areas is discussed.

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