Predictor Variable Description

ALKALINITY

Total carbonates. (mg/l)

ALTITUDE

Height above sea level. (m)

BEDROCK

Percent bedrock in habitat. (%)

BEDSLOPE

Slope of bed. (m/m)

BOULDER

Percent boulder [>256mm] in habitat. (%)

COBBLE

Percent cobble [64-256mm] in habitat. (%)

DFS

Distance from source. (km)

DRYRANGE

Range in dry season monthly rainfall means (mm)

LATITUDE

Latitude of site. ACT, SA - (degrees & minutes as: ddmm (omit negative sign)); NT, Vic, WA, Qld State - (decimal degrees to 4dp (omit negative sign)); NSW, Qld Regional, South Coast Livepick - (decimal degrees to 4dp); Tas - (degrees, minutes and seconds as: ddmmss0 (omit negative sign, add trailing 0)); Thredbo - (degrees, minutes and seconds as: ddmmss (omit negative sign)); Alps, South Coast Labsort - (degrees and decimal minutes as: ddmm.mmmm).

LONGITUDE

Longitude of site. ACT, SA - (degrees & minutes as: dddmm); NSW, NT, Qld State & Regional, Vic, WA - (decimal degrees to 4dp); South Coast Labsort, Alps - (degrees and decimal minutes as: dddmm.mmmm); Tas - (degrees, minutes and seconds as: ddmmss (omit negative sign, omit leading 1)); Thredbo - (degrees, minutes and seconds as: dddmmss); South Coast Livepick - (N/A).

MAXTEMP

Mean daily maximum Temperature. (degrees celsius)

MDMR

Mean dry season monthly rainfall. (mm)

MINTEMP

Mean daily minimum Temperature. (degrees celsius)

MWMR

Mean wet season monthly Rainfall. (mm)

PEBBLE

Percent pebble [16-64mm] in habitat. (%)

PROCESSZONE

Process zone category. ( 2 = erosional; 1 = transport; 0 = depositional ).

RAINFALL

Mean annual rainfall. (mm)

RAINRANGE

Annual range in mean monthly rainfall. (mm)

RANGETEMP

Mean daily temperature range. (degrees celsius)

RAWD

Ratio of mean wet season to mean dry season rainfall [wet/dry]. (unitless)

STORDER

Stream order: category based on the degree of branching. (1, 2, 3, ....)

WETPERCENT

Percentage rainfall in wet season. (%)

WETR

Range in wet season monthly rainfall means. (mm)