redd.RdRaw redd survey monitoring data. Redd survey data is available for Battle Creek, Clear Creek, Feather River, Mill Creek, Yuba River.
redddate: year data were collected
latitude: latitude of redd location
longitude: longitude of redd location
reach: survey reach where data were collected
river_mile: river mile of redd location
redd_id: unique identifier of redd
fish_guarding: whether or not fish were observed guarding the redd
redd_measured: whether or not the redd was measured
redd_width: widdth of redd (m)
redd_length: length of redd (m)
velocity: measured stream velocity (ft/s)
age: age of redd
age_index: number of times a unique redd was aged If 0, the redd was surveyed but not aged.
redd_count: number of redds surveyed
stream: stream data were collected on
year: year data were collected
survey_method: surveying method
run: run of fish associated with redd
species: species of fish associated with redd
depth_m: depth of water (m)
starting_elevation_ft: starting elevation (ft)
num_of_fish_on_redd: number of fish observed on redd
redd_substrate_class: size class of substrate determined by millimeter size
tail_substrate_class: size class of tail substrate determined by millimeter size
pre_redd_substrate_class: size class of substrate pre-redd determined by millimeter size