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An Eastern Hemlock branch at the Kortright Centre for Conservation. Tsuga canadensis, also known as eastern hemlock, [3] eastern hemlock-spruce, [4] or Canadian hemlock, and in the French-speaking regions of Canada as pruche du Canada, is a coniferous tree native to eastern North America. It is the state tree of Pennsylvania. [5]
Taxus canadensis, the Canada yew [2] or Canadian yew, is a conifer native to central and eastern North America, thriving in swampy woods, ravines, riverbanks and on lake shores. Locally called simply as "yew", this species is also referred to as American yew or ground-hemlock. Most of its range is well north of the Ohio River.
Western hemlocks can reach over 200 feet (60 m) in height with a diameter of 3 to 4 feet (0.9 to 1.2 m). [6] They can be identified by their drooping leader at the top of the tree. [6] It is not uncommon to find western hemlocks growing in a row on a nurse log. [6] The Western Hemlock Ecoregion offers an abundance of life.
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The mid-Holocene hemlock decline was an abrupt decrease in Eastern Hemlock (Tsuga canadensis) populations noticeable in fossil pollen records across the tree's range. [1] It has been estimated to have occurred approximately 5,500 calibrated radiocarbon years before 1950 AD. [2] The decline has been linked to insect activity [1] [3] and to ...
Now is a fine time to scout for poison hemlock. Winter of 2024 has been somewhat of a no-show for Ohio. Mild to almost hot temperatures have been moving things along for spring reactivation of ...
FORECAST is a management-oriented, stand-level, forest-growth and ecosystem-dynamics model. The model was designed to accommodate a wide variety of silvicultural and harvesting systems and natural disturbance events (e.g., fire, wind, insect epidemics) in order to compare and contrast their effect on forest productivity, stand dynamics, and a series of biophysical indicators of non-timber values.