Enter your Name:   Enter your E-mail Address:  Define the following terms: 01a. Clupeoid fishes 01b. Gladoid fishes 01c. Sustainable yield 01d. Mariculture 02. What is the fisheries' term used for fish that are harvested for food? 03. How does coastal upwelling enhance fish populations? 04. Which group of fishes are most often caught by purse seines? 05. Which group of fishes are most often caught by trawls? 06. In the 1950s, the Peruvian anchoveta, a clupeoid fish like the anchovy, was heavily fished for use as fish meal and oil. Anchovetas were heavily fished until the early 1970s when stocks were suddenly severely decreased, and the anchoveta fishing industry collapsed. What was the most likely cause of the decrease in anchoveta stocks? 07. Name two ways fisheries can aid overfished populations in recovering without completely halting fishing altogether. 08. Which type of mariculture involves controlling the water quality? 09. Explain why it would be difficult to raise tunas in a mariculture facility. 10. What does the term "renewalbe resource" mean? Give an example of a renewable marine resource. 11. What are the benefits that reverse osmosis has over distillation in desalinization? 12. In a few areas of the world, such as in Norway, there are curious-looking structures similar to windmills that are located under water. For what are they used?