Many people , including Roosevelt, saw the need to preserve the land before it was all gone. Roosevelt's main goal was to set up areas to save the wildlife. This areas know as reserves were made to keep hunters and settler from entering the land and killing to animals and destroying the wildlife. He setup 51 Federal Bird Reservation, 4 National Game Preserves, 150 National Forest, and 5 National Parks.
He was very successful as a Conservationists. All of the land he conserved is still land for wildlife today. People go and visit these places for enjoy the scenery and the different types of animals and plants that are still there.