Zebra Mussels |
In this set of materials, both the lecture and the reading deal with zebra mussels. Regarding this issue, the lecturer says that it contains several disadvantages. On the other hand, the writer’s argues that it is harmful. First, according to the lecturer, it’s spread. The effective ways to stop ship that carrying Zebra Mussels. Ships refill ocean water during still oceans. Thus salt water kill Zebra Mussels. This refutes the writer’s mentions that there are no control ways they spread. This is because ships carry it. Second, the lecturer claims that even though it is dominate new habitat are. It dominates area only in beginning first. For example, Lastly, the lecturer says that even though it dominates area other fishes are positive effects. This is because it generate nutritious. For example, bottom-feeding fishes are increased even though decrease of plankton. Because of they eat Zebra Mussels. This refutes the writer’s goes on to say that it is serious threat to fish population. This is because other species eat plankton so they suffering from reduction of food. Finally, it causes decrease kinds of fish species because they dying of starvation. |
이렇게 적었습니다. 여러 고수님들의 첨삭 부탁드립니다. ^^
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