Life in an Old Growth Forest: The Forests of the Pacific NorthwestTwenty-First Century Books, 01.01.2003 - 72 Seiten Describes the ecosystem of the Douglas fir, the old growth forests of the Pacific Northwest, the effects of human activities on them, and efforts to protect them. |
Inhalt
CONTENTS | 6 |
CHAPTER | 16 |
CHAPTER 3 | 28 |
CHAPTER 4 | 40 |
CHAPTER 5 | 46 |
CHAPTER 6 | 54 |
WHAT YOU CAN DO | 64 |
| 71 | |
Häufige Begriffe und Wortgruppen
alga arthropods bark beetles bats biodiversity birds carpenter ants centimeters centipedes clouded salamander Cones conifers decays deer lettuce different species ecosystem fallen logs fallen trees feet flying squirrel FOREST ECOSYSTEM forest fire forest floor fruiting bodies functions fungus green ground growth Douglas fir habitat hardwood trees hundred hunt insect tunnels layer legs lichens longhouses lumber martens meters millipedes mites moss mycorrhizal fungi National Park needles nest old growth Douglas old growth forest old growth tree Olympic National Oregon Pacific Northwest Pacific yew patch of forest photosynthesis plant or animal plants and animals predators recycle red tree vole resilient ecosystem roots scientists seeds snags soil spiders spores spotted owl sunlight survive tall taxol totem pole tree branches tree farms TREE FELL tree grows tree's truffles U.S. Forest Service Washington western hemlocks Western red cedar windstorm winter wood woodpeckers yew tree young forests young trees