DJFMP: DJFMP dataset

DJFMPR Documentation

DJFMP dataset

Description

US Fish and Wildlife Service Delta Juvenile Fish Monitoring Program data.

Usage

DJFMP

Format

a tibble with 2,248,199 rows and 19 variables

Source

Name of source dataset.

Station

Station where sample was collected.

Latitude

Latitude (decimal degrees).

Longitude

Longitude (decimal degrees).

Date

Date sample was collected.

Datetime

Date and time sample was collected.

Depth

Bottom depth (m).

SampleID

Unique sample identifier.

Method

Sampling method (Otter Trawl or Midwater Trawl).

Sal_surf

Surface salinity.

Temp_surf

Surface temperature in °C.

TurbidityNTU

Turbidity (NTU).

Secchi

Secchi depth (cm).

Tow_volume

Volume towed (m3).

Tow_direction

Tow direction relative to current.

Taxa

Scientific name.

Length

Fork length from tip of the snout to a point at the fork of the caudal fin (mm).

Count

Estimated count for each sample, taxa, and length.

Length_NA_flag

Why is the length NA?

Details

Some station locations have moved over time due to shoals filling in, trees, etc. More metadata and information on methods are available here.


sbashevkin/LTMRdata documentation built on Oct. 16, 2024, 7:09 p.m.