Bull Creek Flats
Bull Creek Flats, above, is part of Humboldt Redwoods State Park in California. State parks provide protected area for residents to enjoy a range of recreational activities.
Photograph courtesy National Geographic
land used for, or capable of, producing crops or raising livestock.
management of a natural resource to prevent exploitation, destruction, or neglect.
area of land that receives no more than 25 centimeters (10 inches) of precipitation a year.
act in which earth is worn away, often by water, wind, or ice.
ecosystem filled with trees and underbrush.
having to do with a habitat or ecosystem of a lake, river, or spring.
elected or appointed leader of a state or area.
cultural or family background.
inorganic material that has a characteristic chemical composition and specific crystal structure.
something having more importance than others.
available supply of materials, goods, or services. Resources can be natural or human.
top layer of the Earth's surface where plants can grow.
area of land covered by shallow water or saturated by water.