Current and Historical Delta Smelt Surveys Query

Data Courtesy of California Department of Fish & Wildlife and USFWS Lodi Office
Smelt Queries
Current & Historical Smelt Smelt Releases
Select Output Format
Select Species, Stratum, Survey
Single year in brackets indicidates the earliest year of data. Year range in brackets indicates the available data range for a non-active survey.
Most surveys are updated annually and do not conduct sampling year-round.
Set Date Range
Set Forklength Type
Batch forklength reports min, max, and average lengths (where available) of fish measured in sample.
Individual forklengths is a subset of Batch and only reports individual fish measured in sample.

Query Notes

SacPAS presents historical and current smelt sampling aggregated across numerous surveys based on the current EDSM strata boundaries to illustrate distribution and abundance. SacPAS aggregates multiple sampling efforts with publicly available data and methods, combining their results into a single table for generating displays and analysis.