Table 1 Overview of the specimens analyzed (including a description of the sampling sites and their main geochemical parameters)
Sampling site (abbreviations) | Type of water body | Geochemistrya | Number of specimens analyzed (per collection year) | |||
|---|---|---|---|---|---|---|
[H2S] (μM) | [O2] (μM) | 2007 | 2008 | 2009 | ||
Il Bugianardo (BUG, BG) | Stagnant pool | n.d. | 151 | 17 | ||
Sorgente del Tunnel (ST) | Flowing stream | 136 | 31 | 8 | ||
Grotta Sulfurea (GS) | Stream with stagnant eddies | 118 | 51 | 14 | 2 | |
Grotta Bella (GB) | Flowing stream | 45 | 6 | 8 | 1 | |
Pozzo dei Cristalli (PDC, PC) | Flowing stream with stagnant pond caused by obstruction | 415 | 12 | 11 | 23 | 8 |
Lago Verde (LVE, LV) | Stagnant lake | 415 | 2 | 10 | 23 | |
Ramo Sulfureo (RS) | Stream with stagnant eddies | 109 | 10 | 7 | 18 | |
Lago del Rinoceronte (LRI) | Stagnant lake (stratified b) | n.a | n.a. | 8 | ||
Lago Stratificato (LST) | Stagnant lake | n.a. | n.a. | 5 | ||
Lago Primo (LPR) | Stagnant lake (stratified b) | n.a. | n.a. | 6 | ||
Lago Claudia (LCL, LC) | Stagnant lake | 45 | 8 | 8 | 7 | |