Douglas-fir in northern California effects of shade on germination, survival, and growth by

Cover of: Douglas-fir in northern California |

Published by Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture in Berkeley, Calif .

Written in English

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Subjects:

  • Douglas fir -- California,
  • Fir -- California

Edition Notes

Includes bibliographical references (p. 10).

Book details

Other titlesDouglas fir in northern California.
StatementRudolph O. Strothmann.
SeriesResearch paper PSW -- 84., Research paper PSW -- 84.
ContributionsPacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
The Physical Object
Pagination10 p. :
Number of Pages10
ID Numbers
Open LibraryOL17616564M
OCLC/WorldCa4232619

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Douglas-fir in northern California: Effects of shade on germination, survival, and growth (USDA Forest Service research paper PSW) [Strothmann, R.

O] on *FREE* shipping on qualifying offers. Douglas-fir in northern California: Effects of shade on germination, survival, and growth (USDA Forest Service research paper PSW)Author: R.

O Strothmann. Restoration thinning enhances growth and diversity in mixed redwood/Douglas‐fir stands in northern California, U.S.A. Christa M. Dagley.

Corresponding Author. E-mail address: [email protected] Department of Forestry and Wildland Resources, Humboldt State University, 1 Cited by: 7.

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sanding or machining wood products generates wood dust and other substances known to the State of California to cause cancer Avoid inhaling dust generated from wood products or use a dust. One of the most prominent of the roving fraternity of nineteenth-century plant hunters who scoured North America for plant species new to Europe, David Douglas left his mark on British Columbia through Douglas-fir in northern California book lofty namesake, the stately Douglas fir, Pseudotsugo menziesii.

In a homage to his friend Douglas, botanist John Goldie planted a Doug fir near the end of his life and urged his grandchildren. Douglas fir trees (Pseudotsuga menziesii) are also known as red firs, Oregon pines and Douglas spruce.

However, according to Douglas fir information, these evergreens are not pines, spruce, or even true firs. But they are tall, beautiful conifers native to the Pacific Northwest.

Northern California Publishers & Authors (NCPA) is an alliance of independent publishers, authors, and publishing professionals in Northern California. Douglas-fir in northern California book Our purpose is to foster, encourage, and educate authors, small publishers, and those interested in becoming authors and g: Douglas-fir.

Douglas-fir is the name of an entire genus of trees that contains six species--two native to North America and four native to eastern Asia. Because of its similarity to other genera, Douglas-fir has given botanists fits.

It has, at various times, been called a pine, a spruce, a hemlock, and a true fir. Nearly pure stands of Douglas-fir continue south from their northern limit on Vancouver Island through western Washington, Oregon, and the Klamath and Coast Ranges of northern California as far as the Santa Cruz Mountains.

In the Sierra Nevada, Douglas-fir is a common part of the mixed conifer forest as far south as the Yosemite region. Rocky Mountain Douglas fir (Pseudotsuga menziesii var. glauca) – which grows on cool, dry, interior mountain ranges from New Mexico up into Canada.

This variety can grow up to feet tall and reach about 3 feet in diameter. Douglas fir habitats support an abundance of wildlife, including the northern spotted owl and marbled murrelet.

Douglas Fir grows throughout Western forests with the most abundant region being in the coastal climates of Oregon, Washington and northern California. In the Inland Region, east of the crest of the Cascade Mountains, Douglas Fir and Western Larch often grow in intermixed stands.

Some landscapes can hold their own against climate change better than others. A study from the University of California, Davis, maps these places, called “climate refugia,” where existing vegetation is most likely to buffer the impacts of climate change through the end of the century.

It found that about 15 percent of natural lands in California serve as climate refugia for the state’s Missing: Douglas-fir. The coastal regions of the Pacific Northwest and Northern California, which contain coast Douglas-fir (P.

menziesii var. menziesii), “has a maritime climate characterized by mild, wet winters and cool, relatively dry summers, a long frost-free season, and narrow diurnal fluctuations of temperature from 43 to 46 F (Hermann and Lavender Douglas fir, genus of about six species of evergreen trees of the conifer family Pinaceae, native to western North America and eastern Asia.

They are important timber trees and produce strong wood. Several are grown as ornamentals and are common Christmas trees in North America. Popular as a living or cut Christmas tree.

It reaches feet tall in Western forests; in gardens it is more likely to grow feet tall and feet wide. Trees are cone shaped and foliaged to the ground when young, but lose lower limbs as they age.

Soft, densely set, green or blue-green. Douglas firs grow widely in western North America, but they reach their full stature only in the moist forests between southern British Columbia and Northern California.

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Douglas Fir is not a true fir but a rapid grower, hardy tree that grows well in a variety of soils and does best in deep-well drained soils. Douglas-fir provides lumber for homes and other buildings for much of the northern part of the country.

It is common in the Pacific northwest into California in the mountains. The timber wars are heating up again in Northern California, this time at Rainbow Ridge, a tract of mature Douglas fir near the remote community of Petrolia in Humboldt County.

As reported in California earlier this year, the property is the focus of a dispute between the Humboldt Redwood Company (HRC), which intends to log it, and local.

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Trees of the Sierra Nevada - California State University. Besides Douglas fir, other possible names include Doug-fir, false spruce, red fir, Oregon pine, Douglas pine, yellow fir, and Douglas spruce.

Pseudotsuga menziesii var. menziesii is the coast Douglas fir. Pseudotsuga menziesii var. glauca may be called either the interior Douglas fir or the Rocky Mountain Douglas fir. Getty, G.M. and M.I. Haverty. Consumption of sound and decayed ponderosa pine and Douglas-fir by Reticulitermes spp.

(Isoptera: Rhinotermitidae) from northern California. Econ. Entomol. Related Search. Ponderosa pine (Pinus ponderosa Dougl. ex Laws.) Ponderosa pine ecosystems.

Phenology: Bloom Period: March-June, earlier in southern coastal areas, later at high elevations, interior and northern mature in mid to late September, seeds are dispersed soon after.

Propagation: Seeds of Douglas Fir have about a 40% germination rate with a stratification period at 40ºF (4ºC) for 60 days. Seeds remain viable years. Redwood/Douglas-fir Forests Redwood unique to California and southern Oregon Found in association with Douglas -fir, tanoak, alder Found within 50 miles of coast, in fog area Predominantly found on private lands, with state parks and national parks holding most remaining old growth.

Pseudotsuga menziesii var. menziesii, also known as Coast Douglas-fir, Pacific Douglas-fir, Oregon pine, or Douglas spruce, is an evergreen conifer native to western North America from west-central British Columbia, Canada southward to central California, United Oregon and Washington its range is continuous from the Cascades crest west to the Pacific Coast Ranges and Pacific Ocean.

Book Title. Importance of timber-based employment to the economic base of the Douglas-fir region of Oregon, Washington, and northern California. Maki, Wilbur R. Schallau, Con H. Beuter, John H. Pacific Northwest Forest and Range Experiment Station (Portland, Or.).

DOUGLAS FIR is a hyphenated name in U.S. Forest Service usage - that is, Douglas-fir - because it is not a true fir at all, instead being a species unique to the north Pacific Rim. The kind we're familiar with has six cousins: one in California, one in Japan and four in Siberia.

Get this from a library. Insect damage to the crop of Douglas-fir and sugar pine cones and seeds in northern California. [Ralph C Hall]. Dated:J Douglas Fir -Short (12 - 24') Douglas Fir - Long (26 - 40') Diameter.

Price/MBF. Code. Diameter. Price/MBF. Code. 8 Plus. $ Douglas-fir is native to the Pacific Northwest region, growing abundantly in the coastal climates of Oregon, Washington and northern California.

Douglas-fir trees are among the tallest on the continent, averaging from to feet in height and 2 to 6 feet in diameter. It is also Oregon’s state tree and a popular choice of Christmas tree.

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We provide answers to over 2 million searches every day, helping 35 million users Missing: Douglas-fir. A federal judge issued a ruling that may prohibit logging of remaining old-growth Douglas fir throughout Northern California and the Pacific Northwest and force the U.S.

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Visit our site to get details on Douglas Fir Circle, Cloverdale, CA   Making up a significant part of the world’s largest temperate rainforest, which stretches along the West Coast from Northern California well into British Columbia, extensive old-growth Douglas fir forests were once filled with massive trees, some more than feet tall and six feet in diameter, rivaling redwoods and giant sequoias.

Worse still, researchers have found that both the north and south parts of the state are likely to face these threats at the same time, as occurred in November when the Camp Fire ripped through Paradise in the Northern California Sierra foothills and the .

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