Auction-Based Comparisons of Landings and Revenue Between Two Spanish Ports in 2024

2024 auction records aggregated at the vessel–species level compare landings, revenues, and price structures between the Bonanza and Isla Cristina ports in the Gulf of Cadiz, Spain. The dataset likely contains descriptive statistics and results from non-parametric inference and alternative price models. Juan Vidal published this analysis under a CC-BY-4.0 license in May 2026.

Use Cases

• Compare port-level market outcomes based on aggregated auction records.
• Analyze the price–quantity relationship using log-OLS, Gamma-GLM, and GAM models mentioned in the description.
• Distinguish whether cross-port differences arise from species composition or within-species pricing effects.
• Assess vessel-level performance metrics like landings, revenues, and species diversification.

Strengths

• Data is from 2024, providing recent market insights.
• Analysis uses multiple statistical methods, including Mann–Whitney tests and effect-size measures.
• Dataset is small (286.0 KB), facilitating quick download and inspection.

Limitations

• Row count and column-level documentation are unknown.
• The primary file format is a PDF, which may require extraction to access underlying tabular data.
• Geographic scope is limited to two ports in the Gulf of Cadiz.

Provenance

Source

Juan Vidal via figshare.

Collection Method

Routinely collected first-sale auction records aggregated at the vessel–species level.

Time Range

2024

Freshness

Last updated 2026-05-13 10:25:00.

Geography

Gulf of Cadiz, SW Spain (Ports of Bonanza in Sanlucar de Barrameda and Isla Cristina).