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 |
|||