From: Persistence, impacts and environmental drivers of covert infections in invertebrate hosts
Category | Explanatory variable |
---|---|
Water chemistry | Dissolved oxygen as O2 (mg/l) |
Chemical Oxygen Demand (COD) (mg/l) | |
pH | |
Alkalinity to pHÂ 4.5 as CaCO3 (mg/l) | |
Hardness, total as CaCO3 (mg/l) | |
Ammonia un-ionised as N (mg/l) | |
Ammonia nitrogen as N (mg/l) | |
Nitrate as N (mg/l) | |
Nitrite as N (mg/l) | |
Nitrogen, total oxidised as N (mg/l) | |
Orthophosphate, reactive as PÂ (mg/l) | |
Magnesium (mg/l) | |
Calcium (mg/l) | |
Chloride (mg/l) | |
Cadmium (mg/l) | |
Productivity | Bacterial Oxygen Demand (BOD) (mg/l) |
Chlorophyll a, acetone extract (μg/l) | |
Total confirmed coliforms, membrane filtration (CFU/0.1Â l) | |
Total presumptive coliforms, membrane filtration (CFU/0.1Â l) | |
Other environmental factors | Water temperature (°C) |
Water flow (m/s) | |
Turbidity (FTU) | |
Conductivity at 25 °C (μS/cm) | |
Colony characters | Zooid number (colony size) |
Statoblast presence |