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You are here: > Outdoor Learning Activities > Tree Rings for Art and Dendrology Studies > OAK, SHRUB LIVE, TREE ROUND (Western Hardwood). |
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OAK, SHRUB LIVE, TREE ROUND (Western Hardwood).
ITEM #: T-18304
PRICE: $2.79
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| Resource Description
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| SHRUB LIVE OAK TREE ROUND (Western Hardwood). This Southwestern oak species is found in rocky canyons and middle-elevation washes and slopes in the Upper Sonoran (Pinyon-Juniper Woodland) and Transition (Yellow Pine Forest) life zones, often found in dense thickets.
This oak species is medium-sized and is a prolific producer of acorns. This high quality tree branch cross section (disc or tree cookie) is perfect for studying seasonal tree rings to calculate the age of a tree or limb, identify tree anatomy (heartwood, sapwood, cambium and inner/outer bark layers), study different growth patterns (tree ring irregularities, evidence of branching) and variation in growth patterns and climatic variations over time. Each cross section is fine sanded on one side to assist in reading tree rings. Since there is variation among all of the rounds, looking at several specimens of each species provides for an optimal learning experience. Individual disc size ranges from 2” to 4” across by 1/4” to 3/8” thick. #T-18304.
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