baumzaehlen - Primeval Forests & Their Trees

©2017copyright christoph hase

 

Picea glauca (white spruce, Pinaceae)

 

 

Banff National Park, Alberta, Canada.
Cones of low elevation P. glauca (left), high elevation Picea engelmannii (Engelmann spruce, right) and intermediate (centre). Banff National Park, Alberta, Canada.
P. glauca - Populus tremuloides (quaking aspen, with furrowed bark) forest. Also Prunus virginiana (chokecherry, shrub, centre background) and Alnus incana ssp. rugosa (speckled alder, shrubs, right background). Duck Mountain Provincial Park, Saskatchewan, Canada.
Populus tremuloides (quaking aspen) dominated forest. Duck Mountain Provincial Park, Saskatchewan, Canada.
Background: mainly P. glauca, also narrow crowns of Picea mariana (black spruce). Alnus incana ssp. rugosa (speckled alder) along small creek. Prince Albert National Park, Saskatchewan, Canada.
Background left: P. mariana (black spruce); foreground, from centre to right: P. glauca, P. mariana and P. glauca. Populus balsamifera (balsam poplar), background centre. Prince Albert National Park, Saskatchewan, Canada.
Background: P. glauca forest with two Betula papyrifera (paper birch) trees. Prince Albert National Park, Saskatchewan, Canada.
P. glauca (broader crowns, left). Picea mariana (black spruce, narrow crowns). Larix laricina (tamarack larch, light green crowns, centre). Populus tremuloides (quaking aspen, broadleaf trees, left). Prince Albert National Park, Saskatchewan, Canada.
Fen with Larix laricina (tamarack larch) along small creek. Picea mariana (black spruce) sapling, centre. P. glauca, left background. Prince Albert National Park, Saskatchewan, Canada.
Picea mariana (black spruce, left), P. glauca (right) and Betula cordifolia (mountain paper birch) foliage. Rainbow Falls Provincial Park, Ontario, Canada.
Dry slope facing Lake Superior. Pinus strobus (eastern white pine, top right), Pinus resinosa (red pine, centre), Betula papyrifera (paper birch, centre), P. glauca (left), Sorbus decora (showy mountain-ash, top right). Lake Superior Provincial Park. Ontario, Canada.
Betula alleghaniensis (yellow birch, big tree and left foreground), Acer saccharum (sugar maple, left background, right foreground and most regeneration), Betula cordifolia (mountain paper birch, white trunks, background), P. glauca (right, with dead branches). Lake Superior Provincial Park. Ontario, Canada.
Fraxinus nigra (black ash) stand. Also white trunks of Betula papyrifera (paper birch, extreme left), P. glauca and small Ulmus americana (American elm, left and right centre). Quetico Provincial Park, Ontario, Canada.
Acer spicatum (mountain maple); also P. glauca, center, and Betula alleghaniensis (yellow birch), right. Grande Anse Valley at 60 m. Cape Breton Highlands National Park, Nova Scotia, Canada.
Betula papyrifera (paper birch). P. glauca, background. Cape Breton Highlands National Park at about 350 m. Nova Scotia, Canada.
Betula alleghaniensis (yellow birch), big trees; Prunus pensylvanica (pin cherry), centre foreground; Abies balsamea (balsam fir), left. Tree regeneration browsed by moose, apart from P. glauca saplings. Cape Breton Highlands National Park at 360 m. Nova Scotia, Canada.