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The iconic Sitka spruce at Yaquina Bay Recreation Site will remain standing as a 20-foot snag with its distinctive feature intact.
The new findings could help researchers breed genetically improved Sitka spruce trees resistant to the spruce weevil (Pissodes strobi)."We wanted to learn about the genetic basis for natural pest ...
More than a dozen spruce trees, offspring of the original 1800s plantings, stand at Sitka Spruce Park. (Sofia Stuart-Rasi / KUCB) The name speaks for itself — Sitka Spruce Park on Amaknak Island ...
A Sitka Spruce tree that has welcomed generations of Oregonians and coastal visitors is set to be trimmed or removed due to decay. Oregon State Parks says the tree is suffering from extensive ...
Englemann spruce, blue spruce, and Sitka spruce are native to the western states and Canadian provinces. Note : Norway spruce is a common non-native European tree that has been extensively planted ...
Tree species with a large native distribution range (e.g. Sitka spruce, Oak, etc.) occupy a diverse range of ecological niches and trees from these niches may contain important traits of adaptation.
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