Abstract for CNVC00009

Forest
Forêt

Tsuga heterophylla - Pseudotsuga menziesii - Abies amabilis / Hylocomium splendens

Western Hemlock - Douglas-fir - Pacific Silver Fir / Stairstep Moss
Pruche de l'Ouest - Douglas de Menzies - Sapin gracieux / Hypne éclatante

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CNVC00009 is a mesic, Pacific Coast coniferous association that is endemic to higher elevations in drainages of the climatically transitional (maritime / continental) eastern side of the Coast Mountains of British Columbia. It occurs on a variety of topographic positions, with mainly moderate slope gradients. These mature to old-growth forests are dominated by western hemlock (Tsuga heterophylla) with Douglas-fir (Pseudotsuga menziesii), western red cedar (Thuja plicata), and/or Pacific silver fir (Abies amabilis) often present. The shrub layer is relatively sparse, with regenerating western hemlock and Pacific silver fir typically most abundant along with various combinations of blueberries (Vaccinium spp.). The herb layer is also sparse, generally with scattered cover of species such as oneside wintergreen (Orthilia secunda), twinflower (Linnaea borealis), giant rattlesnake-plantain (Goodyera oblongifolia), singleflower clintonia (Clintonia uniflora), or bunchberry (Cornus canadensis). Stairstep moss (Hylocomium splendens), pipecleaner moss (Rhytidiopsis robusta) and lanky moss (Rhytidiadelphus loreus) are the leading species in the well-developed moss layer.

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