old growth forests

• ancientVery old indeed
• canopyOverhead protective covering
• redwoodsMassive Pacific coast conifers
• mossSpore-bearing ground cover
• fernsSpore-bearing vascular plants

towering · primeval · untouched · sequoias · undergrowth · ecosystem · biodiversity · cathedral · timber · logging · conservation · wilderness · deadfall · lichen · dappled · virgin · decay · nurse log

• ecosystemsrainforest, forest, desert, jungle, ocean
• natural areasnature reserve, nature reserves, wilderness areas, wetland, wildlife refuge
• Baltic natureBaltic Sea, boreal forests, bogs, pine forests, birch forests
• North American ecologyRocky Mountains, Appalachians, Great Plains, Great Lakes, Everglades
• conservationconservation, wildlife, endangered, habitat, sanctuary
• natural resourcescrude oil, lumber, water, gas, air