The objective of this cruise, which has been taking place in the English Channel - Baie de somme since 1980, over 5 days in September, is to evaluate the natural multi-year fluctuations of the stands and to analyze the possible impact of the nuclear power plant on the marine environment and resources. It makes it possible to determine annual indices of abundance and distribution of flatfish and other species (shrimp, pout, whiting).

The number of inhabitants on January 1 according to the official definition of the population, by administrative entity (region, province, district and municipality) for Flanders and the Brussels Capital Region

Population density and area of administrative entities (region, province, district and municipality) for Flanders and the Brussels Capital Region

The number of inhabitants according to official statistics by age group (<20 years, >=65 years, >=80 years) and by administrative entity (region, province, district and municipality) for Flanders and the Brussels Capital Region

The number of inhabitants according to official statistics per age group of 5 years and gender by administrative entity (region, province, district and municipality) for Flanders and the Brussels Capital Region

The average household size of private households, by administrative unit (region, province, arrondissement and municipality) for Flanders

The number of inhabitants on January 1 according to the official definition of the population, by administrative entity (region, province, district and municipality) for Wallonia

The number of private households according to official statistics, per administrative unit (region, province, district and municipality) for Wallonia

The number of private households according to official statistics, per administrative unit (region, province, arrondissement and municipalitiy) for Flanders and the Brussels Capital Region

The number of inhabitants according to official statistics by age group (<20 years, >=65 years, >=80 years) and by administrative entity (region, province, district and municipality) for Wallonia