15. Age Classes of the Sechelt Landscape Unit
This map again shows that old growth is very rare in the Sechelt Landscape Unit Plan (as shown in the purple areas). As well, both Sechelt and Chapman LUs are dominated by young age classes.
This is the typical pattern in virtually all of the LUs in the SCNRD; old and mature forests at lower elevations are rare and dominated by young biologically simplified ecosystems. Mid-elevation forests are in only marginally better condition.
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Glossary of Terms
Biomass: refers to the total amount of organic matter (i.e., anything that comes from plants and animals).
Biogeoclimatic (BEC) Zone: the classification system used to identify an area based on the dominant type of vegetation, climate, and soil characteristics at its climax
Climax Old-Growth: the final stage of a forest stand when left undisturbed by humans
Biogeoclimatic Zone Abbreviations
- AT: Alpine Tundra
- BG: Bunchgrass
- BWBS: Boreal White and Black Spruce
- CDF: Coastal Douglas-Fir
- CWH: Coastal Western Hemlock
- ESSF: Engelmann Spruce - Subalpine Fir
- ICH: Interior Cedar - Hemlock
- IDF: Interior Douglas-Fir
- MH: Mountain Hemlock
- MS: Montane Spruce
- PP: Ponderosa Pine
- SBPS: Sub-Boreal Pine - Spruce
- SBS: Sub-Boreal Spruce
- SWB: Spruce - Willow - Birch
SCNRD Landscape Units
- Bishop
- Brem
- Brittain
- Bunster
- Bute East
- Bute West
- Chapman
- Cortes
- Haslam
- Homathko
- Homfray
- Howe
- Jervis
- Lois
- Narrows
- Quatam