Created by SQL on 03/13/2017 This text file provides information regarding the "Stratum" field found in the "Routes" file available on the BBS FTP site. North American Breeding Bird Survey physiographic strata. Source: Droege, Sam. 1990. The North American Breeding Bird Survey. pages 1-4. in J.R. Sauer and S. Droege, eds. Survey designs and statistical methods for the estimation of avian population trends. USFWS Biological Report 90(1). 160 pp. As modified from -- Bystrak, Danny. 1981. The North American Breeding Bird Survey. pages 34-41. in C.J. Ralph and J.M. Scott, eds. Estimating numbers of terrestrial birds. Studies in Avian Biology No. 6. 630 pp. For more information regarding North American Breeding Bird Survey strata go to: http://www.pwrc.usgs.gov/bbs/StrataNames/index.html StratumID StratumName StratumNameFrench StratumNameSpanish --------- ---------------------------------------- ---------------------------------------- ---------------------------------------- 1 Sub-tropical NULL Sub tropical 2 Floridian NULL Floridano 3 Coastal Flatwoods NULL Flatwoods costeros (reg del Mississippi) 4 Upper Coastal Plain NULL Planicie Costera Superior 5 Mississippi Alluvial Plain NULL Planicie Aluvial de Mississippi 6 Coastal Prairies NULL Praderas Costeras 7 South Texas Brushlands NULL Arbustos del Sur de Texas 8 East Texas Prairies NULL Praderas del Este de Texas 9 Glaciated Coastal Plain NULL Planicies Costeras Glaciares 10 Northern Piedmont NULL Pie de Monte del Norte 11 Southern Piedmont NULL Pie de Monte del Sur 12 Southern New England NULL Sur de Nueva Inglaterra 13 Ridge and Valley NULL Montes y Valles 14 Highland Rim NULL Márgen de Tierras Altas 15 Lexington Plain NULL Planicies de Lexington 16 Great Lakes Plain NULL Planicies de los Grandes Lagos 17 Driftless Area NULL Áreas de Deriva 18 St. Lawrence River Plain Plaine du fleuve Saint-Laurent Planicie Riparia de St. Lawrence 19 Ozark-Ouachita Plateau NULL Meseta Ozark-Ouachita 20 Great Lakes Transition NULL Transición de Grandes Lagos 21 Cumberland Plateau NULL Meseta Cumberland 22 Ohio Hills NULL Colinas de Ohio 23 Blue Ridge Mountains NULL Montañas Blue Ridge 24 Allegheny Plateau NULL Meseta Allegheny 25 Open Boreal Forest Forêt boréale clairsemée Bosque Boreal Abierto 26 Adirondack Mountains Monts Adirondack Montañas Adirondack 27 Northern New England Nord de la Nouvelle-Angleterre Norte de Nueva Inglaterra 28 N. Spruce-Hardwoods Forêts nordiques d'épinettes et de feuil Spruce-Hardwoods del Norte 29 Closed Boreal Forest Forêt boréale dense Bosque Boreal Cerrado 30 Aspen Parklands Tremblaie-parc Parque Aspen 31 Till Plains NULL Planicies Till 32 Dissected Till Plains NULL Planicies Till Disectadas 33 Osage Plain-Cross Timbers NULL Bosques Osage Plain-Cross 34 High Plains Border NULL Frontera de Planicies Altas 35 Rolling Red Prairies NULL Praderas Rolling Red 36 High Plains NULL Planicies Altas 37 Drift Prairie Prairie à modelé glaciaire Pradera de Deriva o Pradera Drift 38 Glaciated Missouri Plateau Plateau glaciaire du Missouri Meseta Glaciar de Missouri 39 Great Plains Roughlands NULL Grandes Plaicies Roughlands 40 Black Prairie NULL Pradera Negra 47 N/A NULL N/D 53 Edward's Plateau NULL Meseta de Edward 54 Rolling Red Plains NULL Planicies Rolling Red 55 Staked Plains NULL Planicies Staked 56 Chihuahuan Desert NULL Desieto Chihuahueño 61 Black Hills NULL Colinas Black 62 Southern Rockies NULL Rocallosas del Sur 63 Fraser Plateau Plateau du Fraser Meseta Fraser 64 Central Rockies Centre des Rocheuses Rocallosas Centrales 65 Dissected Rockies NULL Rocallosas Disectadas 66 Sierra Nevada NULL Sierra Nevada 67 Cascade Mountains NULL Montañas Cascade 68 Northern Rockies Nord des Rocheuses Rocallosas del Norte 80 Great Basin Deserts NULL Desiertos Great Basin 81 Mexican Highlands NULL Tierras Altas Mexicanas 82 Sonoran Desert NULL Desierto de Sonora 83 Mojave Desert NULL Desierto de Mojave 84 Pinyon-Juniper Woodlands NULL Bosques de Piñón-Junípero 85 Pitt-Klamath Plateau NULL Meseta Pitt-Klamath 86 Wyoming Basin NULL Cuenca de Wyoming 87 Intermountain Grasslands NULL Pastizales Intrmontanos 88 Basin and Range NULL Cuenca y Serranía 89 Columbia Plateau NULL Mesta Columbia 90 S. California Grasslands NULL Pastizales del Sur de California 91 Central Valley NULL Valle Central 92 California Foothills NULL Estribaciones de California 93 S. Pacific Rainforests NULL Bosques Lluviosos del Pacífico Sur 94 N. Pacific Rainforests NULL Bosques Lluviosos del Pacífico Sur 95 Los Angeles Ranges NULL Sierra de Los Angeles 96 Southern Alaska Coast NULL Costa del Sur de Alaska 98 Willamette Lowlands NULL Tieras Bajas Willamette 99 Tundra Toundra Tundra