Table 2 Compilation and global estimates of microbial biomass production rates through chemoorganotrophya within hydrothermal non-buoyant plumes (NBP).
From: Hydrothermal plumes as hotspots for deep-ocean heterotrophic microbial biomass production
Model-based microbial biomass production rates in non-buoyant plumes based on chemoorganotrophya (µgC L−1 d−1) | ||
Site | Rates | |
Seawater | 0.0067 | |
TAG | 0.0116 | |
Rainbow | 0.0124 | |
BrokenSpur | 0.0088 | |
Logatchev | 0.0092 | |
Ashadze | 0.0101 | |
Tour Eiffel | 0.0109 | |
EPR Grand Bonum | 0.0088 | |
Dante | 0.0097 | |
Edmonds | 0.0091 | |
Kairei | 0.0092 | |
Average ± standard error | 0.01235 ± 0.003 µgC L−1 d−1 | |
Areal estimates of microbial biomass production based on chemoorganotrophya (gC m−2 y−1)—plume height considered: 200 m | ||
Average ± standard error | 0.902 ± 0.219 gC m−2 y−1 | |
Global estimates of microbial biomass production based on chemoorganotrophya (GtC y−1) | ||
Number of active vents at Mid Ocean Ridges15 | ||
Average | Min | Max |
1305 | 713 | 1853 |
Global production rates—Plume area considered: 1000 km² | ||
Average | Min | Max |
1.2 ± 0.3 × 10−3 GtC y−1 | 0.6 ± 0.2 × 10−3 GtC y−1 | 1.7 ± 0.4 × 10−3 GtC y−1 |
Global production rates—Plume area considered: 10% of 400 × 103 km² + 90% of 1000 km² | ||
Average | Min | Max |
0.048 ± 0.012 GtC y−1 | 0.026 ± 0.006 GtC y−1 | 0.068 ± 0.017 GtC y−1 |