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| Bearing cones; from the conifer family |
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| Forests in which the trees lose their leaves each year. |
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| Height of an object in the atmosphere above sea level |
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| The height of a point on the Earth's surface with respect to sea level |
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| A climate strongly influenced by an oceanic environment, found on islands and the windward shores of continents. It is characterized by small daily and yearly temperature ranges and high relative humidity. |
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| A climate characterized by moist, mild winters and hot, dry summers |
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| permanently frozen ground at high latitude and high elevation. |
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| An area of diminished precipitation on the lee (downwind) side of a mountain or mountain range |
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| The lowest elevation at which snow remains from year to year and does not melt during the summer |
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| A moist subarctic coniferous forest that begins where the tundra ends and is dominated by spruces and firs |
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| Either the latitudinal or the elevational limit of normal tree growth. Beyond this limit, closer to the poles or at higher or lower elevations, climatic conditions are too severe for such growth |
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| Technically, the area between the Tropic of Cancer (21-1/2 N latitude) and the Tropic of Capricorn (21-1/2 S latitude), characterized by the absence of a cold season. Often used to describe any area possessing what is considered a hot, humid climate. |
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| A treeless plain characteristic of the arctic and subarctic regions |
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| The side of a land mass facing the direction from which the wind is blowing—the opposite of leeward |
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| The body of air and gas which surrounds the earth |
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| The long term trends in weather conditions for an area |
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| An area with little precipitation or where evaporation exceeds precpitation, and thus includes sparse vegetation |
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| The analogy used to describe the ability of gasses in the atmosphere to absorb heat from the earth's surface, as a greenhouse keeps the heat within its glass walls |
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| A wind system in Southeast Asia which changes direction seasonally, creating wet and dry seasons |
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| Any form of water that falls from the atmosphere to the surface of the earth (i.e. rain, snow, sleet, and hail). |
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| An extremely moist region with dense vegetation, typically located in the tropics |
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| The area south of the Tropic of Cancer and north of the Tropic of Capricorn. The area bordering the equator between 23.5 degrees north latitude and 23.5 degrees south latitude. |
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| The short term atmospheric conditions |
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| is a climatic condition characterized by extreme dryness. |
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| are areas with similar climatic conditions, similar ecology of plants, animals and soil organisms. There are commonly known as ecosystems |
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| is the typical climate pertaining to the interiors of a continent |
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| Savanna is a term used to describe tropical grassland areas having scattered vegetation, comprising dense spaced trees and bushes. |
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