Predictor Variables | Description |
---|---|
ALKALINITY |
Total carbonates. (mg/l) |
ALTITUDEPOW0.4 | Altitude. (m to the power 0.4) |
ALTITUDEPOW0.5 | Altitude. (m to the power 0.5) |
BICARBONATES | Bicarbonates. (mg/l) |
BICARBPOW0.4 | Bicarbonates. (mg/l to the power 0.4) |
CATCHAREAPOW-0.1 | Catchment area upstream of site. (square km to the power -0.1) |
CATCHAREAPOW-0.2 | Catchment area upstream of site. (square km to the power -0.2) |
DFSPOW-0.3 | Distance from source. (km to the power -0.3) |
DFSPOW-0.4 | Distance from source. (km to the power -0.4) |
EDGEAREA | Percent area of edge 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). |
LOG10BOULDER | Log 10 [x+1] percent Boulder in habitat. (log 10 [% + 1]) |
LOG10COBBLE | Log 10 [x+1] percent Cobble in habitat. (log 10 [% + 1]) |
LOG10COND | Log 10 [x+1] Conductivity. (log 10 [uS/cm + 1]) |
LOG10DEPTHCMCAT | Log 10 [x+1] Mean depth category of habitat: 1 = less than 25cm; 2 = 25-50cm; 3 = 50-100cm; 4 = 100-200cm; 5 = greater than 200cm. (log 10 [category + 1]) |
LOG10DFS | Log 10 [x+1] percent Gravel in habitat. (log 10 [% + 1]) |
LOG10GRAVEL | Log 10 (x+1) % gravel in habitat |
LOG10SLOPE1KUS | Log 10 (x+1) Slope: The difference in elevation in metres between the site and a point 1km upstream |
LOG10STORDER | Log 10 [x+1] Stream Order: category based on the degree of branching [1, 2, 3, ....]. (log 10 [Category + 1]) |
LOGBEDROCK | Log 10 [x+1] percent Bedrock in HABITAT (SA) or REACH (Vic). ( log 10 [% + 1] ) |
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). |
MEDSEDPOW0.7 | Percent medium sediment [percent pebble + percent gravel] to the power 0.7. (% to the power 0.7) |
PEBBLEPOW0.5 | Percent pebble [16-64mm] in habitat to the power 0.5. (% to the power 0.5) |
RIFFAREAPOW0.5 | Percent area of riffle habitat at the site to the power 0.5. (% to the power 0.5) |
RIFFAREAPOW0.8 | Percent area of riffle habitat at the site to the power 0.8. (% to the power 0.8) |
SHADINGPERCENT | % shading (estimated % stream shaded during daylight hours) |
SHADPERCENTPOW0.5 | Shading to the power 0.5: percent of stream shaded during daylight hours. (% to the power 0.5) |
SHADPERCENTPOW0.8 | Shading to the power 0.8: percent of stream shaded during daylight hours. (% to the power 0.8) |
SLOPE1KUSPOW0.2 | Slope to the power 0.2: Elevation difference in metres between the site and a point 1km upstream. (m to the power 0.2) |
STWIDTHPOW-0.3 | Mean width of water to the power -0.3. (m to the power -0.3) |