Simplify the following text for a Grade 8 native English-speaking person.
Original: The use of some of these techniques in the Patagonian Toothfish fishery in the Falkland Islands is thought to have reduced the number of Black-browed Albatross taken by the fleet in the last 10 years .
Simplified: The use of some of these ideas are also successful by stopping the number of many Black-browed Albatross that died in the last 10 years .