Stern's Introductory Plant Biology 13th Edition by James Bidlack,Shelley Jansky,Kingsley Stern

تمرين 4

Most of the old-growth stands of conifers in North America are now gone, and others will be gone soon. Much of what has been harvested is being replaced with new growth, sometimes with hybrids and nonnative plants. Our forests are essential to our economy as we know it. If you had the power to change the way we manage and exploit our natural forest resources, what would you do differently, assuming you did not want to damage the economy?