Predictor Variable |
Description |
ALKALINITY |
Total carbonates. (mg/l) |
ALTITUDE |
Height above sea level. (m)
|
BANKWIDTH |
Distance between the banks. (m) |
BOULDER |
Percent boulder [>256mm] in habitat. (%) |
CATCHAREA |
Catchment area upstream of site. (square km) |
COBBLE |
Percent cobble [64-256mm] in habitat. (%) |
DEPTH |
Mean water depth of habitat. ACT - (cm); Other - (m) |
DFS |
Distance from source. (km) |
EBANKVEG |
Trailing bank vegetation. ACT - ( 1=nil; 2=slight; 3=moderate; 4=extensive); Tas - (?=nil [<5%]; ?=sparse [6-25%]; ?=moderate [26-50%]; ?=thick [51-75%]; ?=extensive [>76%]) |
GFS |
Percent cover of riparian zone by grasses, ferns and sedges. (%) |
HABAREA |
Percent habitat in reach. (%) |
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). |
MACROCAT |
Macrophyte category: percentage of habitat covered by macrophytes. (1=<10%; 2=10-35%; 3=35-60%; 4=65-90%; 5=>90%) |
PEBBLE |
Percent pebble [16-64mm] in habitat. (%) |
REBOULDER |
Percent boulder [>256mm] in reach. (%) |
RECOBBLE |
Percent cobble [64-256mm] in reach. (%) |
REGRAVEL |
Percent gravel [2-16mm] in reach. (%) |
RIPWIDTH |
Width of the riparian zone; mean from both banks. (m) |
SHADING |
Percent category of the river shaded at midday. (1 = <5%; 2 = 6-25%; 3 = 26-50%; 4 = 51-75%; 5 = >76%) |
SHRUBVINE |
Percent cover of riparian zone by shrubs and vines. (%) |
STORDER |
Stream order: category based on the degree of branching. (1, 2, 3, ....) |
STREAMWIDTH |
Mean width of water. (m) |
TREES>10 |
Percent cover of riparian zone by trees greater than 10m in height. (%) |
VEGCOVER |
Streamside vegetation cover score. (0-2 = poor [soil,culverts etc]; 3-5 = fair [grass,sedge,fern]; 6-8= good [shrub]; 9-10=excellent [tree]) |
VELOCITY |
Mean water velocity in habitat. (m/s) |