Photographs of commonly used sampling tools for dark ocean research.

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Photographs of commonly used sampling tools for dark ocean research. Photographs of commonly used sampling tools for dark ocean research. (A) ROV Jason II, Woods Hole Oceanographic Institution. (B) ROV/AUV Nereus, Woods Hole Oceanographic Institution. (C) Rosette of Niskin water sampling bottles and a CTD (conductivity, temperature, depth) sensor package. (D) Multicoring device for collecting surficial sediments. (E) Scientific ocean drilling vessel RV JOIDES Resolution for collecting deep sediments and hard rock. (F) View from the inside of the Johnson SeaLink submersible, Harbor Branch Oceanographic Institute, working at a cold seep in the Gulf of Mexico. (G) Launch of the Johnson SeaLink submersible, Harbor Branch Oceanographic Institute. (Panels A and C courtesy of J. Sylvan; panel B courtesy of Robert Elder, copyright the Woods Hole Oceanographic Institution; panels D and G courtesy of B. Orcutt; panel E courtesy of William Crawford, IODP/TAMU; panel F courtesy of I. R. MacDonald.)‏ Beth N. Orcutt et al. Microbiol. Mol. Biol. Rev. 2011; doi:10.1128/MMBR.00039-10