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EA: ECOSYSTEM_TYPE_OLSON
EE: MIXED_FOREST_FIELD

Status: STD 2005/06/07
Code: 61
EA label: ECOSYSTEM_TYPE_OLSON
Concept definition: Comprised of low-to-tall <FOREST> with/without <CROP_LAND>/<GRASSLAND>, having cold-deciduous with evergreen <VEGETATION> and a with/without <SNOW_PRECIPITATION> climate; mixed forest/field. Mixed forest/field has deciduous and/or evergreen broadleaf <TREE>s and <SHRUB>s alternating with the conifers. Crops and <GRASS>, if any, might cover up to 40-50 percent of the <<AREA>> of the <REGION> being characterized, but usually much less or none at all. Dominant taxa include Acer, Tilia, Quercus with <<<DECID_BROADLEAF_TREED_TRACT>>>, Pinus, and Tsuga with <<<CONIFER_BOREAL_FOREST>>>.
 
Reference type: IR
Reference: [GEF1, Olson Ecosystem Type MIXEDFRSTFLD: 18 (mixed forest/field)]
Supplemental references:  

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