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Published byAlan Blankenship Modified over 8 years ago
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Common Trees of the Gulf Islands: Identification and Knowledge
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What are the six most common tree species on Mayne Island? Douglas fir Western red cedar grand fir Arbutus red alder Big leaf maple Which three species are conifer trees?
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Douglas fir Conifer Cones not flowers Evergreen Single leader growth Grows in drier sites than Western red cedar
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Male Cones Female Cones
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Western red cedar Conifer Cones not flowers Evergreen Single leader growth Grows in wetter sites than Douglas fir
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Male Cones Female Cones
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Grand fir Conifer Cones not flowers Evergreen Single leader growth Grows in wetter sites like Western red cedar
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Notched tips
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What’s the difference? Douglas firgrand fir
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What are the six most common tree species on Mayne Island? Douglas fir Western red cedar grand fir Arbutus red alder Big leaf maple Which three species are broad-leaf trees?
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Arbutus Flowering plant Flowers not cones White flowers, red berries Broadleaf evergreen Multiple leader growth Grows in dry sites
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Big leaf maple Flowering plant Flowers not cones Yellow flowers, helicopter seeds Deciduous Multiple leader growth Grows in wetter sites or seepage areas
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Red alder Flowering plant Flowers not cones Deciduous Multiple leader growth Grows in wet sites Access to atmospheric nitrogen Can grow in poor soils
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Male Cones Female Cones
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Activity: Measuring Tree Diameter 1. Measure the circumference of the tree 1.3m from the ground and record the measurement 2. Divide the circumference by π (3.14) circumference ÷ 3.14 = diameter
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This education resource was produced by the Mayne Island Conservancy Society thanks to the financial support of:
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