Skipjack tuna landings at Tumumpa Port, North Sulawesi (2024-2025)

DATASET: Skipjack Tuna Landings at Tumumpa Coastal Fishing Port, North Sulawesi, IndonesiaPERIOD: January 2024 – December 2025 (24 months)SPECIES: Skipjack tuna (Katsuwonus pelamis) onlySOURCE: Fisheries Port Information System (PIPP), IndonesiaCITATION:[Manoppo, Andaki and Kampilong], [Year]. Skipjack tuna landings and ex-vessel prices at Tumumpa Port, North Sulawesi (2024-2025) [Dataset]. https://doi.org/10.6084/m9.figshare.31224679VARIABLES:- year: Calendar year (2024 or 2025)- month: Month name (January–December)- month_numeric: Month number (1–12) for time-series analysis- fishing_effort_trips: Number of purse seine vessel trips landing at port- landed_volume_kg: Total skipjack catch weight in kilograms- transaction_value_idr: Aggregate ex-vessel revenue in Indonesian Rupiah (IDR)- ex_vessel_price_idr_per_kg: Derived unit price (transaction_value_idr / landed_volume_kg)- notes: Data quality flags (e.g., "species_composition_shift" for June 2024 outlier)DATA QUALITY:- Species filtering: Only Katsuwonus pelamis included; mixed-species landings excluded- Outlier validation: June 2024 price spike (IDR 45,823/kg) validated via Sailing Declarations (SPB) as temporary shift to high-value species; retained in dataset but flagged for analysis exclusion- Anonymization: All vessel-level identifiers removed per Indonesian Ministry of Marine Affairs Regulation No. 12/2021ETHICAL COMPLIANCE:- Data extracted under research permit No. [Nomor Izin] from North Sulawesi Marine and Fisheries Office- Raw vessel-level data restricted due to confidentiality regulations; only aggregated port-level data shared- Dataset supports reproducibility of findings reported in: "[Manuscript Title]", Fisheries Research (forthcoming)CONTACT:Victoria ManoppoUniversitas Sam [e-mail]