Fig 1.
Location and microbathymetry of the PACManus hydrothermal vent area and the Desmos caldera.
(A) Regional location map of the research area. (B) The relative location of research areas, partly republished from [46] under a CC BY license, with permission from [Elsevier], original copyright [2017]. (C) Microbathymetry of the PACManus developed from multibeamsonar data of the ROV Faxian, republished from [46] under a CC BY license, with permission from [Elsevier], original copyright [2017]. (D) Microbathymetry of the Desmos caldera developed from multibeamsonar data of the ROV Faxian.
Fig 2.
Geologic maps of the Fenway and Satanic Mills hydrothermal fields.
(A) Geologic map of the Fenway hydrothermal field, showing all mapped seafloor structures republished from [41] under a CC BY license, with permission from [Elsevier], original copyright [2014]. The red dot represents the sampling site. (B) Geologic map of the Satanic Mills hydrothermal field showing all mapped seafloor structures republished from [41] under a CC BY license, with permission from [Elsevier], original copyright [2014]. The red dot represents the sampling site.
Table 1.
General description of three sampling sites from the PACManus hydrothermal area and the Desmos caldera.
Table 2.
The δ13C and δ15N values (‰) for the species collected from the PACManus hydrothermal area and the Desmos caldera.
Fig 3.
Average δ15N vs. δ13C values for the dominant species and POM from the PACManus hydrothermal area and the Desmos caldera.
Dotted boxes represent different types of carbon fixation.