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FGC Species Plans
Species Plans were published in hard-copy format in FGC’s Annual Business Plans up until 2017/18. These plans included information about the breeding programs, seed orchards and seed use for each seed planning unit (SPU). The Species Plans for 2017/18 are listed below by tree species or species group.
SPUs consisted of a defined geographic area and elevation band for each commercially-important tree species. These SPUs served as the foundation of BC’s tree breeding and seed orchard programs during the 2000’s and 2100’s. They also underpinned the geographic-based seed transfer limits for orchard (Class A) seed described in the Chief Forester’s Standards for Seed Use. See Ministry website for SPU maps and spatial data.
SPUs were assigned a unique number and code. For example SPU#17 Pli BV Low was the SPU for Lodgepole pine (Pli) in the Bulkley Valley (BV) region below 1100 m elevation (Low). SPUs were ranked using a Tree Improvement Investment Model which guided investments in tree breeding and seed orchards.
SPU’s, and subsequently the format of FGC’s Species Plans, became obsolete with the introduction of climate-based seed transfer (CBST) standards in April 2018. These plans were replaced with new CBST-based Tree Seed Planning Dashboards in April 2022.
Broadleaves
48 Interior Broadleaves – Aspen, Poplar, Birch (All elevations)
49 Coastal Broadleaves – Maple and Poplar (All elevations)
54 Red Alder – Maritime (1-700 m)
Cedars
02 Western Redcedar – Maritime Low (1-700 m) South 48’ – 52’
11 Yellow Cypress – Maritime All (1-1100 m) South 48’ – 52’
27 Western Redcedar – Sub Maritime Low (200-1000 m)
33 Western Redcedar – Maritime High (700-1500 m)
Douglas-fir
01 Coastal Douglas-fir – Maritime Low (1-900 m) South 48’ – 52’
19 Coastal Douglas-fir – Sub Maritime Low (200-1200 m)
21 Interior Douglas-fir – Nelson Low (400-1200 m)
22 Interior Douglas-fir – Nelson High (1000-1800 m)
31 Coastal Douglas-fir – Maritime High (900-1200 m)
37 Interior Douglas-fir – Quesnel Lakes Low (700-1400 m)
39 Interior Douglas-fir – East Kootenay Low (700-1400 m)
41 Interior Douglas-fir – Prince George Low (700-1200 m)
43 Interior Douglas-fir – Cariboo Transition Low (600-1400 m)
52 Douglas-fir – Thompson-Okanagan (600-1099 m)
53 Douglas-fir – Thompson-Okanagan (1100-1600 m)
Hemlock
03 Western Hemlock – Maritime Low (1-600 m) South 48’ – 52’
24 Western Hemlock – Maritime High (600-1100 m)
38 Western Hemlock (Same as SPU #3) – Maritime Low South
Larch
13 Western Larch – Nelson Low (450-1600 m)
15 Western White Pine – Kootenay/Quesnel Low (500-1400 m)
34 Western Larch – East Kootenay Low (800-1700 m)
50 Western Larch – Nelson High (1200-1800 m)
Pine
07 Lodgepole Pine – Nelson Low (700-1600 m)
08 Western White Pine – Maritime Low (1-1000 m)
10 Lodgepole Pine – Thompson Okanagan Low (700-1400 m)
12 Lodgepole Pine – Prince George Low (700-1400 m)
16 Lodgepole Pine – Thompson Okanagan High (1400-1600 m)
17 Lodgepole Pine – Bulkley Valley Low (700-1400 m)
18 Lodgepole Pine – Central Plateau Low (700-1300 m)
20 Lodgepole Pine – Nelson High (1600-2000 m)
26 Lodgepole Pine – Prince George High (1400-2000 m)
29 Lodgepole Pine – East Kootenay High (1500-2000 m)
32 Lodgepole Pine – East Kootenay Low (800-1500 m)
45 Lodgepole Pine – Big Bar/Chilcotin (All elevations)
51 Ponderosa Pine – Southern Interior (300-1000 m)
Spruce
04 Interior Spruce – Nelson Mid (1000-1700 m)
05 Interior Spruce – Nelson High (1700-2100 m)
06 Sitka Spruce – Maritime Low (1-500 m) South 48’ – 54’
14 Interior Spruce – Prince George Low (600-1400 m)
23 Interior Spruce/Sitka Spruce – Sub Maritime/Nass-Skeena Transition (All elevations)
25 Interior Spruce – East Kootenay All (750-1900 m)
28 Interior Spruce – Thompson Okanagan High (1300-2100 m)
30 Interior Spruce – Thompson Okanagan Low (700-1500 m)
35 Interior Spruce – Bulkley Valley Low (500-1400 m)
40L Interior Spruce – Peace River Low (<650 m) 40M Interior Spruce – Peace River Low (<650 m) 42 Interior Spruce – Prince George High (1200-1550 m)
44 Interior Spruce – Nelson Low (1-1000 m)
True Firs
09 Pacific Silver Fir – Sub Maritime Low (1-1000 m)
36 Grand Fir – Maritime Low (1-700 m)
46 Sub-alpine Fir – NST / BLK / MIC / MGR / WK / SA (All elevations)
47 Noble Fir – Maritime, Sub maritime (All elevations) South 48’ – 52’