Define fishery. What are three major harmful effects of overfishing? Describe the effects of trawler fishing, purse-seine fishing, long-lining, and drift-net fishing. What is bycatch? What is a...

Define fishery. What are three major harmful effects of overfishing? Describe the effects of trawler fishing, purse-seine fishing, long-lining, and drift-net fishing. What is bycatch? What is a fishprint? What percentage of the world’s commercial fisheries are fully exploited, overexploited, or depleted? Summarize the story of the collapse of the Atlantic cod fishery. What is happening to the world’s large, predatory fishes and why does it matter? What are the harmful effects of the fishing industry’s shifting to lower trophic levels of marine food webs? Summarize the arguments for protecting sharks. Summarize efforts to protect whales from overharvesting and extinction. Describe the status of sea turtles and explain how human activities are threatening their existence. Why are jellyfish populations growing and what difference does this make? How could we prevent them from taking over much of the ocean?