Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

تمرين 13

What is the key concept for this section Describe three ways of estimating the sizes of fish populations and list their limitations. How can the precautionary principle be applied in managing fisheries and large marine systems What are catch-share and comanagement systems and how can they help to sustain fisheries How can government subsidies encourage overfishing Explain how consumer choices can help to sustain fisheries and aquatic biodiversity and ecosystem services. List five ways to manage global fisheries more sustainably.