Table 1 Physical and chemical conditions of habitats of Alviniconcha marisindica populations (kAlv and eAlv populations) and Chrysomallon squamiferum in the Kairei and Edmond hydrothermal fields.
Sampling site | Temp. range [average] | DO range [average] | H2 range [average] | H2S range [average] |
|---|---|---|---|---|
(°C) | (μM) | (μM) | (μM) | |
Kairei field | ||||
Reference bottom seawater | 1.7–1.8 [1.8] | 207 | <0.03 | <0.5 |
A. marisindica (kAlv) colony at the Monju chimney | 11.9–60.0 [19.3] | 104–166 [144] | 20.1–44.6 [34.1] in situ | 137–211 [185] in situ |
11.8–20.2 [16.5] onboard | <1.5 onboard | |||
C. squamiferum colony at the Monju chimney | 8.4–13.5 [12.6] | 133–187 [158] | 8.00–8.60 [8.40] in situ | 23.5–29.6 [25.1] in situ |
6.37–10.2 [8.16] onboard | <1.5 onboard | |||
Edmond field | ||||
Reference bottom seawater | 1.8–1.9 [1.9] | 208 | <0.03 | <0.5 |
A. marisindica (eAlv) colony at the Giant shrimp chimney | 6.5–38.1 [26.8] | 147–202 [184] | 0.39–0.45 [0.42] in situ | 109–127 [120] in situ |
0.70–4.52 [2.52] onboard | 19–26 [23.3] onboard | |||
