Table 2 Land use and water physio-chemical variables used for data analysis in this study
Variable name | Variable description (unit) |
|---|---|
PH | pH read with the YSI mini sonde in water |
CONDUCTIVITY_MSC | Water specific conductivity in millisiemens per centimeter read with the YSI mini sonde in water (mS cm−1) |
DISS.OXYGEN_MGL | Dissolved oxygen in milligrams per liter read with the YSI mini sonde in water (mg L− 1) |
ORP_MV | Oxidation reduction potential of sample water (mV) |
TURBIDITY_NTU | Cloudiness of sample water as measured with a nephelometer sensor (NTU; nephelometric turbidity units) |
AMIA_AMN | Ammonia + ammonium concentrations in (mg L−1) |
NITRITE | Nitrite concentrations (mg L− 1) |
NITRATE | Nitrate concentrations (mg L− 1) |
REA_PHOS | Reactive phosphorus concentrations (mg L− 1) |
TOTKN | Total Kjeldahl nitrogen (mg L− 1) |
TOTPHO | Total phosphorus concentrations (mg L− 1) |
SUSSOL | Total Suspended Solids (mg L− 1) |
DOC | Dissolved organic carbon (mg L− 1) |
TOC | Total organic carbon (mg L− 1) |
RU_DISM3S | Discharge of Castor River at Russell station (02LB006), daily mean in cubic meter per second (m3 s−1) |
BE_DISM3S | Discharge of Payne River near Berwick station (02LB022), daily mean in cubic meter per second (m3 s−1) |
DAILY_AVG_SOLAR_RADIATION_W.m2 | Daily average of solar radiation (W m−2) |
(land use)_200M_2015 | Proportion of land use types immediately surrounding sample site (200 m radius of site); agriculture (AGRIC), urban/developed (URBAN), tree/forest (TREE), wetland (WET), and water (WATER) (%) |
Totalrain_xd | Total rainfall cumulated at the day of sampling (x = 1) and x (2, 3, 5, 7, 10) days in advance of sampling day (mm) |
Avg_temp_C_xd | Daily mean air temperature for day of sampling and x = 1, 2, 3, 5, 7, 10 days in advance of sampling day (°C) |