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EA:  ECOSYSTEM_TYPE_OLSON

Status: STD 2005/06/07
Code: 321
Concept definition: The type of an ecosystem in the Global Ecosystem Framework based on a combination of land cover, floristic properties, climate, and physiognomy; ecosystem type Olson.
 
Attribute value type: ENUMERATION
Reference type: IR
Reference: [GEF1]
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label Concept definition ▾ Code Ref type Reference Supplemental references
STD
2005/06/07		 ECOSYSTEM_TYPE_OLSON COAST_HINTERLAND Comprised of <BEACH>/<SAND_DUNE>/<ROCK>/slope, having variable <VEGETATION> and a marine climate; coast hinterland. Dominant taxa include Cakile and Lathyrus. This Olson ecosystem type has subtype <<<BEACH_FOREDUNE_SHORELINE>>>. 11 IR [GEF1, Olson Ecosystem Type COASTHINTLND: 80 (coast hinterland)]  
STD
2005/06/07		 ECOSYSTEM_TYPE_OLSON CROP_LAND_WATER_MIXED Comprised of <CROP_LAND> with coast/<RIVER>/pond/<WETLAND>, having variable cover <VEGETATION> and a variable climate; crop land/water mixed. Dominant taxa include Calamogrostis, Phragmites with crop, and pasture. 29 IR [GEF1, Olson Ecosystem Type CROPWATERMIX: 76 (crop/water mix)]  
STD
2005/06/07		 ECOSYSTEM_TYPE_OLSON FIELD_TREED_SAVANNA Comprised of <CROP_LAND>/herb with <FOREST>/<SHRUB> covering 20-40 percent of the <<AREA>> of the <REGION> being characterized, having deciduous/evergreen <VEGETATION> and a hot-cool climate; field/treed savanna. Dominant taxa include Festuca, Diospyros, Sassafras, and Cornus. 43 IR [GEF1, Olson Ecosystem Type FIELDWDSAVNA: 58 (field/wood savanna)]  
STD
2005/06/07		 ECOSYSTEM_TYPE_OLSON COOL_FIELD_TREED_TRACT Comprised of <CROP_LAND>/herb with <TREED_TRACT>/<SHRUB> covering 20-40 percent of the <<AREA>> of the <REGION> being characterized, having cold-deciduous/evergreen <VEGETATION> and a snowy climate; cool field/treed tract. Crops cover no more than 60 percent of the <<AREA>> of the <REGION>. Dominant taxa include Poa, Bromus, Quercus, Prunus, and Crataegus. 21 IR [GEF1, Olson Ecosystem Type COOLFIELDWDS: 55 (cool field wood/shrub)]  
STD
2005/06/07		 ECOSYSTEM_TYPE_OLSON CROP_LAND_GRASSLAND-
_SCRUB_LAND		 Comprised of <FARM>, <GRASSLAND>, and/or <SCRUB_LAND>, having herbage <VEGETATION> and a cold-hot, wet-dry climate; crop land/grassland/scrub land. Dominant taxa are mosaics of other Olson ecosystem types. 31 IR [GEF1, Olson Ecosystem Type CROPGRASSHRB: 94 (crop grass/shrub)]  
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