Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # NATURE / Ecosystems & Habitats / Mountains 2 NATURE / Ecosystems & Habitats / Oceans & Seas 3 NATURE / Ecosystems & Habitats / Polar Regions 4 NATURE / Ecosystems & Habitats / Wilderness 2 Nature -- Effect of exotic animals on 1 Nature -- Effect of human being on. 1 Nature -- Effect of human being on -- Juvenile literature 1 Nature -- Effect of human beings on 180 SEE ALSO narrower term: Ecological assessment (Biology) 2 SEE ALSO: Human ecology 215 SEE ALSO narrower term: Hunting -- Environmental aspects 1 Nature -- Effect of human beings on -- Africa. 1 Nature -- Effect of human beings on -- Alberta -- History. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >