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The African spurred tortoise (Centrochelys sulcata), also called the sulcata tortoise, is an endangered species of tortoise inhabiting the southern edge of the Sahara Desert, the Sahel, in Africa. It is the largest mainland species of tortoise in Africa, and the third-largest in the world, after the Galapagos tortoise and Aldabra giant tortoise .
Walnut trees No Yes Juniperus spp. Junipers No Koelreuteria paniculata: Goldenrain tree Medium Non-native Yes Laburnum spp. Golden chains Non-native No No Larix laricina: American larch Native No Liquidambar styraciflua: Sweetgum Large Native Yes Liriodendron tulipifera: Tulip tree Large Native Yes Maackia amurensis: Amur maackia Medium Non ...
In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [3] [4]
As of 2020, New York City Department of Parks and Recreation is the steward of most of the 2.5+ million trees growing within New York City. [18] The New York City Tree Map is an interactive map by the parks department that catalogues more than 850,000 trees in the city. [19] The NYC Department of Parks observes Earth Day and Arbor Day. [18]
Site index is a term used in forestry to describe the potential for forest trees to grow at a particular location or "site". Site is defined as "The average age of dominate and/or codominate trees of an even-aged, undisturbed site of intolerant trees at a base age"; [1] furthermore, the word site is used in forestry to refer to a distinct area where trees are found. [2]
When stocking, a tree's basal area is measured. The basal area is a cross-sectional area of the stump taken about 4.5 feet (1.4 m) above the ground. [7] The equation for calculating the basal area of trees in a stand is Basal Area = 0.005454 DBH 2, where DBH is the diameter of the tree at the aforementioned measuring height. [7]
This species is ranked 86.67 (Very High) on the NYS Threat Assessment scale. [17] [18] Elaeagnus umbellata - Autumn olive. This species is ranked 94 (Very High) on the NYS Threat Assessment scale. [19] Euonymus alatus - Burning bush. New York allows the sale of this plant if it is labeled invasive. Sterile cultivars have also been developed.
Formerly managed by New York State as the "John White Memorial Game Farm" between 1945 and 2000 for the purpose of raising pheasants for release on public hunting lands. [16] Kabob: Chautauqua: 38 acres (0.15 km 2) Keeney Swamp: Allegany: 708 acres (2.87 km 2) Kings Bay: Clinton: 653 acres (2.64 km 2) Lake Alice: Clinton: 1,468 acres (5.94 km 2 ...