What are the two key concepts for this section? What major ecological and economic benefits do forests provide? Describe the efforts of scientists and economists to put a price tag on the major...

What are the two key concepts for this section? What major ecological and economic benefits do forests provide? Describe the efforts of scientists and economists to put a price tag on the major ecosystem services provided by forests and other ecosystems. Distinguish among old-growth (primary) forests, second-growth forests, and tree plantations (tree farms or commercial forests). What are the pros and cons of tree plantations?