DISTRIBUTION AND OCCURRENCE
SPECIES: Picea sitchensis | Sitka Spruce 



GENERAL DISTRIBUTION : 
Sitka spruce's natural range is a narrow strip of land along the
northern Pacific coast from south-central Alaska to northern California.
Its widest distribution (130 miles [210 km] inland) occurs in
southwestern Alaska and northern British Columbia.  Its southern
boundary is defined by a disjunct population in Mendocino County,
California [23,24].

Sitka spruce has been extensively introduced into the British Isles
[35,57].


ECOSYSTEMS : 
   FRES20  Douglas-fir
   FRES23  Fir - spruce
   FRES24  Hemlock - Sitka spruce
   FRES27  Redwood


STATES : 
     AK  CA  HI  OR  WA  BC  YT


ADMINISTRATIVE UNITS : 
     GLBA  LACL  MORA  NOCA  OLYM  REDW
     SAJH  WRST


BLM PHYSIOGRAPHIC REGIONS : 
    1  Northern Pacific Border
    2  Cascade Mountains
    3  Southern Pacific Border


KUCHLER PLANT ASSOCIATIONS : 
   K001  Spruce - cedar - hemlock forest
   K002  Cedar - hemlock - Douglas-fir forest
   K006  Redwood forest
   K029  California mixed evergreen forest


SAF COVER TYPES : 
   221  Red alder
   222  Black cottonwood - willow
   223  Sitka spruce
   224  Western hemlock
   225  Western hemlock - Sitka spruce
   227  Western redcedar - western hemlock
   228  Western redcedar
   229  Pacific Douglas-fir
   230  Douglas-fir - western hemlock
   231  Port-Orford-cedar
   232  Redwood


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Sitka spruce is listed as a dominant overstory species in the following
published classifications:

  Natural vegetation of Oregon and Washington [16].
  Plant association and management guide: Sinslaw National Forest [27].
  Preliminary classification of forest vegetation of the Kenai
    Peninsula, Alaska [46].

Related categories for Species: Picea sitchensis | Sitka Spruce