The natural range of sugar pine extends mainly over the rainy western slopes of the coastal mountains and Sierra Nevada in California and Oregon. It is also found in western Nevada and northern Baja California.
It prefers cool, moist forests with well drained, fresh to moist, sandy and gravelly, moderately fertile soil. It grows on acidic to neutral soils and avoids limestone substrates. They are found at elevations 330-3200 meters. Its optimum it finds on deep, sandy loam of granite weathering at altitudes 1500-2000 feet. It is hardy and tolerates temperatures from -15 to -12 ° C. It thrives on sunny to lichtschattigen locations.
Ecology
The sugar pine is rare in pure stands. It grows along with the giant sequoia giganteum (Sequoiadendron), the Sierra-fir (Abies concolor var lowiana), incense cedar (Calocedrus decurrens), with Douglas fir (Pseudotsuga menziesii) and the yellow-pine (Pinus ponderosa).
The species is greatly damaged by the Strobenrost (Cronartium ribicola) is qualified in the southern part of the range may occur for climatic reasons only rarely. The general vulnerability to rust fungi and to the low frost resistance are the reasons why they will not plant in Central Europe. Among the insects caused by the mountain pine beetle (Dendroctonus ponderosa) the most damage. When drought also affect other species such as jewel beetles or the bark beetle Dendroctonus Melanophila californica valens the sugar pine. The cones are damaged by the beetle Lambertiana Conophthorus
Use
The wood of sugar pine is heavily used, with far more trees than are cut down grow back. The wood can be easily split and was previously used for the production of shingles
Source: http://de.wikipedia.org/wiki/Zucker-Kiefer
See Also: sending flowers, online florist
Tidak ada komentar:
Posting Komentar