Marine Human Impacts Review

Front

What is the primary method used to gather fish for the aquarium trade?

Back

Fish are often gathered by paralyzing them with cyanide sprayed on coral reefs and then scooping them up.

Front

Which tool is NOT useful for identifying dynamite fishing activities?

Back

SCUBA is not directly helpful for identifying when dynamite fishing has occurred.

Front

What are the consequences of nutrient influx from human activities in marine environments?

Back

Consequences include red tides and dead zones, but not ocean acidification.

Front

Which organization has recovered a significant amount of ghost nets since 2019?

Back

The World Wildlife Fund (WWF) has helped recover 20 tons of ghost nets.

Front

What is ocean acidification?

Back

Ocean acidification refers to the decrease in pH of seawater, primarily affecting creatures that depend on calcium carbonate.

Front

What is bycatch?

Back

Bycatch refers to the unintentional capture of non-target species during fishing.

Front

What are ghost nets?

Back

Ghost nets are abandoned fishing nets that continue to trap marine life.

Front

What is the role of drones in marine conservation?

Back

Drones are used to monitor marine environments and detect illegal fishing activities.

Front

What is the impact of chemical waste dumping in oceans?

Back

Chemical waste dumping can lead to pollution, harming marine ecosystems and biodiversity.

Front

What are dead zones in marine environments?

Back

Dead zones are areas in oceans with low oxygen levels, making it difficult for marine life to survive.