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~~ ~rForest ServicePacific Northwes
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AbstractViereck, L.A.; Dyrness, C.T
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IntroductionThe first draft of this
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General Descriptionof theClassifica
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Northwest’. Tenltoryf-Figure I-Ma
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Arctic AlaskaInterior AlaskaAn exte
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Figure 2-Vegetation type map of Ala
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Table 1-Alaska vegetation classific
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II. Scrub8a. Vegetation with at lea
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mn15
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FQ221
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n aa25
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mP35
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.I44
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Descriptions ofLevel I, II, 111,and
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Communities-Picea sifchensis/Oplopa
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LA. 1.d. Closed Western Hemlock-Sit
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Figure 6-Closed needleleaf forest o
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Distrlbutlon and site characteristi
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Communities-Picea glaucahathermosse
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LA. 1.1. Closed Black Spruce-White
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A lower well-developed shrub layer
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A layer of herbs and ferns provides
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Figure lS0pen needleleaf forest ofw
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Figure 1 64pen needleleaf forest of
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1.A.2.h. Open Black Spruce-Tamarack
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A.3.b. Siika Spruce WoodlandDescrlp
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and others 1988). Picea glaucdAlnus
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A well-developed tall shrub layer,
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Figure 24-Closed broadleaf forest o
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Occasionally, small stands of balsa
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Mature birch can survive low-intens
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Distribution and Site characteristl
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Distributlon and site characteristi
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Figure 314pen broadleaf forest ofba
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I.B.3.b. Balsam Poplar WoodlandDesc
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stands reach 120 years of age. A ta
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1.c.7.d. Closed Quaking Aspen-Spruc
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Figure 35-Closed mixed forest 01 ba
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I.C.2.b. Open Quaking Aspen-Spruce
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Distribution and site characteristi
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Closely related types-Closed subalp
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ll.A.3.a. Black Spruce Dwarf Tree W
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Figure 38-Closed tall willow shrub
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hummocky substrate and usually are
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Primary references-Batten and other
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Figure 41-Open tall willow shrub of
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ll.B.2.c. Open Tall Shrub Birch Shr
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Distribution and site characteristi
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Figure 44-Closed low willow shrub o
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Communities-Betula nana-Salixplanif
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Distribution and site characteristi
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Successlonal status-Many of these c
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Primary referencecHanson 1951; Pega
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generally also have an abundance of
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Successional status-Communities on
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Communitles-Salix glauca/Arcfosfaph
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Primary references-Hogan and Tande
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Distribution and site characteristi
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Closely related types-Sagebrush-gra
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Figure 52-Oryas dwarf shrub tundraw
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ugosum (Hettinger and Janz 1974). D
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Oxyfropis nigrescens, Hierochlog al
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Closely related types-Vaccinium dwa
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ll.D.2.d. Mountain-Heath Dwarf Shru
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1984). Cassiope mertensiana-C. stel
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Figure SB--Dry graminoid herbaceous
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' , , .MA. 1.b. Dry FescueFigure 54
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Figure 60-Midgrass-shrub stand of t
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(Crow 1977b, Ritchie and others 198
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Successional status-In southwestern
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Primary references-Batten and other
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Primary reference-Hjeljord 1971.Com
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Closely related types-Sedge-birch t
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Figure 64-We1 sedge meadow tundraof
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Distribution and site characteristi
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Closely related types-Wet sedge mea
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Figure €.&Subarcticlowland sedge
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Closely related types-Halophytic gr
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Koppen 1977; del Moral and Watson 1
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Closely related types-These communi
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The sites themselves are covered wi
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Figure 70-A mesic forb herbaceous c
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Closely related types-These communi
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Closely related types-Herb wet mead
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Closely related types-Halophytic he
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- Page 213 and 214: Communlties-Su~ularia aquafica-Call
- Page 215 and 216: Figure 80(len)-A marine aquatic eel
- Page 217 and 218: ReferencesWhile preparing the Alask
- Page 219 and 220: Anderson, J.H. 1972. Phytocenology
- Page 221 and 222: Brock, Steven; Burke, Ingrid. 1980.
- Page 223 and 224: Crow, John Huber. 1968. Plant ecolo
- Page 225 and 226: Fries, Janet A. 1977. The vascular
- Page 227 and 228: Holowaychuk, N.; Smeck, Neil E. 197
- Page 229 and 230: Kessler, Wlnlfred B. 1979. Bird pop
- Page 231 and 232: Martin, Jon R.; Brady, Ward W.; Dow
- Page 233 and 234: Neiland, Bonita J. 1971b. Survey of
- Page 235 and 236: Raclne, Charles H.; Anderson, J.H.
- Page 237 and 238: Selkregg, Lidla L. 1975a. Alaska re
- Page 239 and 240: Stevens, M.E. 1965. Relation of veg
- Page 241 and 242: Van Cleve, K.; Viereck, L.A. 1981.
- Page 243 and 244: Walker, D.A.; Lederer, N.P. 1983. V
- Page 245 and 246: Wiggins, Ira L. 1951. The distribut
- Page 247 and 248: Table %Listof scientific and common
- Page 249 and 250: Table &--List of scientific and com
- Page 251 and 252: Table 3-Lis.t of scientific and com
- Page 253 and 254: Table >Listof scientific and common
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- Page 259 and 260: Assoclatlon, plant-A stand or group
- Page 261 and 262: Bryold-(1) A moss, liverwort, or ho
- Page 263 and 264: Ctyaquepts-Gray or olive soils with
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- Page 277 and 278: Sere-A sequence of plant communitie
- Page 279 and 280: Submerged aquatic plant-Plant adapt
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- Page 283 and 284: Viereck, L.A.; Dymess, C.T.; Batten