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. 2015 Jan 19;5:723. doi: 10.3389/fmicb.2014.00723

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Copyright © 2015 Meyer-Dombard, Woycheese, Yargıçoğlu, Cardace, Shock, Güleçal-Pektas and Temel.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Images of Yanartaş area gas seeps and fluid seep biofilms. In (B–F), scale is 30 cm total; 10 cm each for black, striped, and white segments. (A) Exposed hillside showing three (ignited) gas vents (white arrows). Blue can in upper left is a 55 gal. drum for scale. (B) Site YT-0m, source of fluid seep. White arrow shows small flame from the associated gas seep. Fine, black sediment was sampled from under the gas seep. (C) Site YT-N3.6m tan biofilm. (D) Site YT-N6.7m rust-colored biofilm. Break in slope in hillside can be seen toward left of frame. Preserved microteracettes are located on the vertical face (not visible in this photograph). (E) Site YT-S4m white biofilm. (F) Site YT-S8.8m white biofilm.