protect bay ecosystem
1. Crab catch limit. This method was useful for protect bass.
2. Introduce Asian oyster to replenish native oyster which was
vulnerable to disease. Asian oyster could defend more oysters.3. Persuade farmer to reduce the use of ： xXf .
1. Bass was mainly used for sports， it is easy to implement catch limit.
But crab was caught by farmers who want to make a living. Thismethod would encounter huge resistance.
2. Asian oyster may bring other disease which is dangerous to other
species in the bay. This method is too risky.
3. The related area is extremely large， which almost 100000 squaremeters.
After making a presentation in class， you want to evaluate it. Which ofthe following do you think would be better for you？1 Watch the recording by yourself
Invite other attenders to discuss and give opinions.