An endoevaporitic microbial mat within a gypsum crust: zonation of phototrophs, photopigments, and light penetration

A. Oren, M. Kuhl, U. Karsten

101 Citations (Scopus)

Abstract

A layered community of cyanobacteria and purple bacteria that developed within a gypsum crust on the bottom of a hypersaline saltern pond was characterized in Eilat, Israel. The upper 1 to 2 cm of the 4 to 5 cm thick gypsum crust is inhabited by carotenoid-rich unicellular cyanobacteria (Aphanothece sp. and others), imparting an orange-brown color to the gypsum. Under the brown layer, a green layer dominated by unicellular cyanobacteria of the genus Synechococcus is found, with filamentous Phormidium-type cyanobacteria as a minor component. Below these layers of oxygenic phototrophs is a red layer of purple bacteria. -from Authors

Original languageEnglish
JournalMarine Ecology Progress Series
Volume128
Issue number1-3
Pages (from-to)151-159
Number of pages9
ISSN0171-8630
DOIs
Publication statusPublished - 1 Jan 1995

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