Science activity #50148,
updated 29 April 2022
Spring Kodiak Trawl Survey
Description / purpose
The Spring Kodiak Trawl Survey (SKT) has sampled annually since its inception in 2002. The SKT determines the relative abundance and distribution of spawning delta smelt (Hypomesus transpacificus). The SKT samples 40 stations each month from January to May. These 40 stations range from San Pablo Bay upstream to Stockton on the San Joaquin River, Walnut Grove on the Sacramento River, and the Sacramento Deep Water Ship Channel. Each 'Delta-wide' survey takes approximately 4 - 5 days per month to complete. Historically, 'Delta-wide' surveys were followed by a 'Supplemental' survey two weeks later to intensively sample areas of highest delta smelt concentration to estimate the proportion of male and female delta smelt that were in pre-spawning, spawning and spent maturation stages. Beginning in 2008, in an effort to minimize take of spawning adults, routine 'Supplemental' surveys were discontinued and are now only conducted under the recommendation of the Smelt Working Group and the approval of managers.
Linked science activities
None specifiedCollaborators
None specifiedActivity status
- 1 Awarded / Initiating (1961)
- 2 In progress / Ongoing (1961 - 2019)
- 3 Complete
Funding summary
Total allocated funding: $0
Location
Subbasins
Delta regions
Geographic tags
None specified
Products and outputs
Type | Title | Description | Views |
---|---|---|---|
Spring Kodiak Trawl Survey Metadata | Metadata includes program objective and history, g | 0 | |
Spring Kodiak Trawl Survey website | Project website for the Spring Kodiak Trawl Survey | 0 | |
Interagency Ecological Program (IEP) 2019 Work Plan and Funding | This Work Plan reflects the annuallyâ€planned | 0 |
Type and context
Science action area
Management themes
None specified
Science themes
Types
None specified
Science functions
None specified
Management actions
None specified
Science Topics
Lead implementing organization
Partner implementing organizations
California Department of Water Resource [DWR]
,
California Department of Fish and Wildlife [CDFW]
,
U.S. Bureau of Reclamation [USBR]
,
U.S. Fish and Wildlife Service [USFWS]
,
U.S. Geological Survey [USGS]
,
U.S. Environmental Protection Agency [USEPA]
,
National Oceanic and Atmospheric Administration [NOAA]
,
California State Water Resources Control Board [SWRCB]
Funding organizations
None specified
Funding programs
None specified
Funding sources
None specified