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The Alaska Vegetation Classification - Alaska Geobotany Center ...

The Alaska Vegetation Classification - Alaska Geobotany Center ...

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WatershebAn entire drainage basin including all living and nonliving componentsof the system.WetlanbLands where saturation with water is the dominant factor in determiningthe nature of soil development and the types of plant and animal communities livingin the area.Wet meadow-<strong>The</strong>se sites are characterized by saturated soils or by flooding todepths 01 less than 15 centimeters (6 in). <strong>The</strong> vegetation is dominated by hebaceousspecies, usually by graminoids. Moss cover varies but generally is low. Soils aremineral but may be overlain by a shallow organic layer.Woodland-In the <strong>Alaska</strong> vegetation classification, forest vegetation with 10 to25 percent crown cover by the tree crowns.BfoaUIeaf wooUlanU4n the <strong>Alaska</strong> vegetation classification, a broadleaf forestvegetation with 10 to 25 percent crown cover of the tree crowns.Conlfef wooU/anc%See woodland, needleleaf.Llchen wooUlanbSee forest, open boreal.MIxeU woodlanbln the <strong>Alaska</strong> vegetation classification, a mixed broadleaf andneedleleaf forest vegetation with 10 to 25 percent crown cover by the tree crowns.Needleleaf wooUland--ln the <strong>Alaska</strong> vegetation classification, a needleleafvegetation with 10 to 25 percent crown cover by the tree crowns.Xeric-Refers to a dry habitat or site.XerophytctA plant capable of surviving periods of prolonged moisture deficiency.A plant that grows on dry sites.ZonaCln Russian geobotany, term applied to vegetation unit that reflects a closerelation to current climatic conditions of a large region on soils with nonextremeproperties. Zonal plant community corresponds more or less to climatic climaxcommunity.Zone-An area characterized by similar flora or fauna; a belt or area that certainspecies are limited to.

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