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The Yenisey valley is habitat for numerous flora and fauna, with Siberian pine and Siberian larch being notable tree species. In prehistoric times Scots pine, Pinus sylvestris, was abundant in the Yenisey valley c. 6000 BC. [17] There are also numerous bird species present in the watershed, including, for example, the hooded crow, Corvus cornix ...
The Zone System is a photographic technique for determining optimal film exposure and development, formulated by Ansel Adams and Fred Archer. [1] Adams described the Zone System as "[...] not an invention of mine; it is a codification of the principles of sensitometry, worked out by Fred Archer and myself at the Art Center School in Los Angeles, around 1939–40."
The Native Tree Society measurement guidelines [1] [2] also generally follow the American Forests prescription, with some additional elaborations. Many trees have burls bumps, and knots along their trunk. If these occur at the 4.5 feet girth measurement height, including them in the measurement would falsely inflate the girth measurement.
American Forests, for example, uses a formula to calculate Big Tree Points as part of their Big Tree Program [3] that awards a tree 1 point for each foot of height, 1 point for each inch of girth, and 1 / 4 point for each foot of crown spread. The tree whose point total is the highest for that species is crowned as the champion in their ...
How the Male Pufferfish Attracts a Mate. In the world of animals, it can be hard to be a male looking for a mate. Some animals, such as lions, need beautiful, full manes to attract females.Others ...
Prince Harry is sending some holiday love to bereaved military children.. On Tuesday, Dec. 10, the Duke of Sussex, 40, joined a virtual Christmas party for 280 children and young people who have ...
A male humpback has completed the longest recorded migration for a whale from South America to Africa. Scientists explain why this journey is so unusual.
The base of the tree is where the projection of the pith (center) of the tree intersects the existing supporting surface upon which the tree is growing or where the seed sprouted. [1] [2] If the tree is growing on the side of a cliff, the base of the tree is at the point where the pith would intersect the cliff side. Roots extending down from ...