{"dataset":{"id":"nc120","name":"NC120 Juvenile Trawl Survey","source":"NCDMF","owner":"North Carolina Division of Marine Fisheries","updateFrequency":"Seasonal","coverage":"Pamlico Sound & tributaries","variables":["count","length","weight","salinity","temperature","station"],"api":"/api/datasets/nc120","download":"/api/datasets/nc120?format=csv","license":"Public domain (NC government data)","spatialCoverage":"NC estuaries","temporalCoverage":"1987 to present","quality":"high","category":"survey","usedBy":["assessment-2019","assessment-2015","assessment-2018"],"uses":[],"summary":"Primary fisheries-independent juvenile abundance index for Southern Flounder in North Carolina."},"access":{"id":"nc120","officialUrl":"https://www.deq.nc.gov/about/divisions/marine-fisheries/fisheries-data/fisheries-independent-assessments","officialLabel":"NCDMF fisheries-independent assessments","accessGuide":"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.","cleaningNotes":["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."],"cleanedGrain":"Annual index + illustrative station samples","disclaimer":"SFIP cleaned files are learning extracts. Authoritative analyses should use the official NCDMF archive."},"meta":{"package":"sfip-cleaned-extract","dataset_id":"nc120","official_url":"https://www.deq.nc.gov/about/divisions/marine-fisheries/fisheries-data/fisheries-independent-assessments","cleaning_notes":["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."],"disclaimer":"SFIP cleaned files are learning extracts. Authoritative analyses should use the official NCDMF archive.","generated_for":"Southern Flounder Intelligence Platform"},"rows":[{"record_type":"annual_index","year":1995,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":1.42,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2000,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":1.18,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2005,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":0.95,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2010,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":0.78,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2015,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":0.66,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2020,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":0.71,"units":"relative_cpue","cleaned":true},{"record_type":"annual_index","year":2024,"species":"Paralichthys lethostigma","survey":"NC120","mean_cpue_index":0.69,"units":"relative_cpue","cleaned":true},{"record_type":"station_sample","survey":"NC120","station_id":"ps-12","station_name":"Pamlico Sound 12","waterbody":"Pamlico Sound","gear":"Otter trawl","sample_date":"2025-06-14","latitude":35.22,"longitude":-76.18,"flounder_count":18,"mean_length_mm":142,"salinity_psu":18.4,"temperature_c":26.1,"cleaned":true},{"record_type":"station_sample","survey":"NC120","station_id":"ps-27","station_name":"Pamlico Sound 27","waterbody":"Pamlico Sound","gear":"Otter trawl","sample_date":"2025-06-15","latitude":35.35,"longitude":-76.42,"flounder_count":41,"mean_length_mm":128,"salinity_psu":14.2,"temperature_c":25.4,"cleaned":true},{"record_type":"station_sample","survey":"NC120","station_id":"neuse-4","station_name":"Neuse River 4","waterbody":"Neuse River","gear":"Otter trawl","sample_date":"2025-06-12","latitude":34.98,"longitude":-76.78,"flounder_count":9,"mean_length_mm":119,"salinity_psu":8.6,"temperature_c":27,"cleaned":true}],"catalog":["nc120","nc915","seamap","commercial-landings","mrip","usgs-pamlico","ndbc-buoys","assessment-inputs-2019"],"how_to_get_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."}