Alcácer Quibir, in which two rival claimant to the throne of Morocco were both killed as was the king of Portugal. Sebastian of Portugal, king Abu Marwan Abd al-Malik I Saadi and his rival Abu Abdallah Mohammed II Saadi were all killed and ended Portugal's ambitions to invade and Christianize the Maghreb. . One of the main reasons for the defeat of the Portuguese troops was the rise in the water Loukkos River during the battle. As a result of this battle, Portugal lost its status as a great power. In 1970 Thor Heyerdahl visited Loukkos River estuary, and studied the reed boats, manufactured by local fishermen in his plans to sail "Ra II. According to Heyerdahl ancient Phoenician and Egyptian sailors who became the founders of Mesoamerican cultures. set out from somewhere like the Lukkus. References Rivers of Morocco Ramsar sites in Morocco