survey
NC120 Juvenile Trawl Survey
Primary fisheries-independent juvenile abundance index for Southern Flounder in North Carolina.
Official full archive
Request or download NC120 juvenile trawl station files from NCDMF. The full archive includes haul-level catch, lengths, and environmental covariates across Pamlico Sound and tributaries.
SFIP cleaned files are learning extracts. Authoritative analyses should use the official NCDMF archive.
- Source
- NCDMF
- Owner
- North Carolina Division of Marine Fisheries
- Update frequency
- Seasonal
- Coverage
- Pamlico Sound & tributaries
- Spatial
- NC estuaries
- Temporal
- 1987 to present
- License
- Public domain (NC government data)
- Quality
- high
- Cleaned grain
- Annual index + illustrative station samples
What SFIP cleaned
- Kept Southern Flounder positive hauls and annual mean CPUE summaries.
- Standardized column names (snake_case) and ISO dates.
- Dropped personally identifying trip metadata; retained station, gear, counts, lengths, salinity, and temperature.
Variables
countlengthweightsalinitytemperaturestation
Cleaned extract preview
| record_type | year | species | survey | mean_cpue_index | units |
|---|---|---|---|---|---|
| annual_index | 1995 | Paralichthys lethostigma | NC120 | 1.42 | relative_cpue |
| annual_index | 2000 | Paralichthys lethostigma | NC120 | 1.18 | relative_cpue |
| annual_index | 2005 | Paralichthys lethostigma | NC120 | 0.95 | relative_cpue |
| annual_index | 2010 | Paralichthys lethostigma | NC120 | 0.78 | relative_cpue |
| annual_index | 2015 | Paralichthys lethostigma | NC120 | 0.66 | relative_cpue |
Showing first 5 cleaned rows. Download CSV/JSON for the full extract.