1. FISH BANKS

2. Maximum possible property at the end of the game CRITERION OF SUCCESS account balance residual value of ships (€ 250 per ship ) +

3. PROFIT = RECEIPTS - EXPENSES PROFIT purchases of ships (auctions and trades) Fish sale profit Ship sale profit (trades) interest dues (bank fees) purchases of ordered ships service of ships

4. - catch x price (€ 20 per fish) RECEIPTS fish sale profit interest sale of ships - 10%, if the minimum account balance does not fall below zero - price reached during the trading session

5. - harbor: €50 / year /ship - coastal waters:€150 / year /ship - deep see waters:€250 / year /ship EXPENSES - COSTS service of ships construction of new ships auction and trade dues (bank fees) - new ship:€300 / ship paid this year, use in the next season - auction - the highest bid - 15%, if the minimum account balance fell below zero

7. CATCH Catch is influenced by: the number of ships, weather, efficiency of fishing

8. EFFICIENCY OF FISHING (average catch per ship) Efficiency of fishing - number of fish per ship per year Density of fish coastal waters deep waters

9. FISHING PROGRESS IN RECENT YEARS Present Catch Number of ships year

10. FISH BANKS

12. Collapse in bluefin tuna stocks ICCAT scientists predicted that if the current level of fishing mortality continued, the Eastern Atlantic spawning stock would fall to 18% of the 1970 level and only 6% of the historical level. This trend is corroborated by the dramatic decline in the mean size of fish caught. The decline in the Western Atlantic stock was 80% between 1970 and 2007. The decline in the Eastern Atlantic stock was 74.3% between 1955 and 2007.