Baystudy: Bay study dataset
In sbashevkin/LTMRdata: Data for the IEP Long Term Monitoring Survey Review

Baystudy

R Documentation

Bay study dataset

California Department of Fish and Wildlife Bay Study data.

Baystudy

a tibble with 805,858 rows and 23 variables

Source: Name of source dataset.
Station: Station where sample was collected.
Latitude: May not be accurate, see details.
Longitude: May not be accurate, see details.
Date: Date sample was collected.
Datetime: Date and time sample was collected.
Survey: Survey number, roughly corresponding to month.
Depth: Bottom depth (m).
SampleID: Unique sample identifier.
Method: Sampling method (Otter Trawl or Midwater Trawl).
Tide: Tidal stage.
Sal_surf: Surface salinity.
Temp_surf: Surface temperature in °C.
Secchi: Secchi depth (cm).
Tow_duration: Duration of tow (minutes).
Tow_area: Area towed (m²).
Tow_volume: Volume towed (m³).
Tow_direction: Tow direction relative to current.
Taxa: Scientific name.
Length: Fork length, total length if there's no fork or heterocercal tail (sturgeon, shark). Bat Ray wing widths starting around 1989-1992 to present. (mm).
Count: Estimated count for each sample, taxa, and length.
Length_NA_flag: Why is the length NA?
Notes_tow: Notes or comments on the trawl.