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Parks Canada states that Garry oak woodlands support more species of plants than any other terrestrial ecosystem in British Columbia. [18] It grows in a variety of soil types, for instance, rocky outcrops, glacial gravelly outwash, deep grassland soils, and seasonally flooded riparian areas.
The trail also passes through Garry Oak ecosystems, and features in genetic studies of endangered Garry Oak populations. [ 3 ] The Cable Bay Trail leading down through the forest
The driest maritime subzone (CWHxm1), with its often-dominant Douglas-fir and frequent grand fir plus occasional arbutus and a few Garry oak populations, strongly resembles the neighbouring Coastal Douglas-fir zone (CDFmm) but a key characteristic of any CWH subzone is its superior hemlock reproduction.
Qualicum NWA contains Garry oak ecosystem, the only oak species native to British Columbia. [26] These oaks are rapidly dwindling due to habitat loss in many of the places they are found. Within these ecosystems, the soil is dark and rich, benefitting herbaceous understory vegetation. [27]
The Gulf Islands and Saanich Peninsula contain "the last remnants of the highly endangered Garry oak ecosystem". [ 2 ] The Great Bear Rainforest is located entirely within this ecozone.
The park has large old-growth Douglas-fir trees and rare Garry oak ecosystems. A trail loops around the bluffs that overlook the Strait of Georgia and links-up with Tribune Bay. The Garry oak meadow ecosystem is one of the many microclimates located within British Columbia and is considered an endangered habitat. [5]
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The driest areas in eastern Vancouver Island consist of mixed stands of Douglas fir and western hemlock with occasional Garry oak, Pacific dogwood and arbutus. The subalpine forests are composed of mountain hemlock , subalpine fir , amabilis fir and engelmann spruce , with some yellow cedar and western hemlock in high elevation areas in eastern ...