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The name Pinus coulteri comes from Latin for pine, and coulteri comes from its discoverer Thomas Coulter (1793–1843), an Irish botanist and physician. [9] Pinus coulteri was discovered by Dr. Coulter on the mountains of Santa Lucia, near the Mission of San Antonio, in latitude 36°, within sight of the sea and at an elevation of from 3000 to 4000 feet above its level.
The higher elevation Madrean Sky Islands are dominated by pinyon pine and California juniper (Juniperus californica), with areas of Manzanita and Coulter pine (Pinus coulteri). More than half of the Colorado Desert's plant species are herbaceous annuals, and appropriately timed winter rains produce abundant early Spring wildflowers. In the ...
Overstory species include coulter pine, monterey pine, bishop pine, shore pine, and several endemic cypresses, species which generally rely on fire to open their cones and release seeds. Closed-cone forests often grow in low nutrient and/or stressed soils, which can lead to slow growth.
The gray pine (Pinus sabiniana) and rarer Coulter pine (Pinus coulteri) can be found at all elevations, especially between 800–3,000 feet (240–910 m). Coulter pine reaches its northern limit on northern of Mt. Diablo.
Coulter pine (Pinus coulteri) or; Gray pine (Pinus sabiniana) Common wildlife include Steller's jay, chestnut-backed chickadee, western gray squirrel, raccoon and many others. These forests are more diverse in animal life than those having only conifers. The predominance of broadleaf trees provide a greater abundance of food sources.
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Dendroctonus brevicomis, the western pine beetle, is a species of crenulate bark beetle in the family Curculionidae. It is found in North America [ 1 ] [ 2 ] [ 3 ] and parts of Mexico. [ 4 ] It is known as a destructive pest of ponderosa and Coulter pine trees. [ 5 ]
Longleaf pine dominated the coastal plains until the early 1900s, where loblolly and slash pines now dominate. [ 10 ] At low altitudes in the Rocky Mountain region, large areas of Ponderosa pine and Douglas fir had an open park-like structure until the 1900s.