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Environmental impacts of beavers. Beaver dam enlargement. September 2009. December 2009. Images of a beaver dam over a four month period. Beaver dams block rivers and create ponds. The beaver is a keystone species, increasing biodiversity in its territory through creation of ponds and wetlands. [1] [2] As wetlands are formed and riparian ...
The Pyrenean ibex, also known as the bouquetin, is the only animal to have survived de-extinction past birth.. De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct species.
The following is a list of widely known trees and shrubs. Taxonomic families for the following trees and shrubs are listed in alphabetical order, likewise the genera and closely related species. The list currently includes 1352 species.
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Thinning is a term used in agricultural sciences to mean the removal of some plants, or parts of plants, to make room for the growth of others. Selective removal of parts of a plant such as branches, buds, or roots is typically known as pruning . In forestry, thinning is the selective removal of trees, primarily undertaken to improve the growth ...
U.S. Forest Service surveys found that loblolly pine is the second-most common species of tree in the United States, after red maple. For its timber , the pine species is regarded as the most commercially important tree in the Southeastern U.S. [5] [6] [7] The common name loblolly is given because the pine species is found mostly in lowlands ...
Quercus pagoda, the cherrybark oak, is one of the most highly valued red oaks in the southern United States. It is larger and better formed than southern red oak and commonly grows on more moist sites. Its strong wood and straight form make it an excellent timber tree. Many wildlife species use its acorns as food, and cherrybark oak makes a ...
Buxus sempervirens is an evergreen shrub or small tree growing 1 to 9 m (3 to 30 ft) tall, with a trunk up to 20 centimetres (8 in) in diameter (exceptionally to 10 m tall and 45 cm diameter [6] ). Arranged in opposite pairs along the stems, the leaves are green to yellow-green, oval, 1.5–3 cm long, and 0.5–1.3 cm broad.