Natural Regeneration After Shelterwood Cutting in a Grand Fir-Shasta Red Fir Stand in Central Oregon (Classic Reprint) PDF Download
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Author: Kenneth W. Seidel
Publisher: Forgotten Books
ISBN: 9781396707490
Category : Gardening
Languages : en
Pages : 34
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Book Description
Excerpt from Natural Regeneration After Shelterwood Cutting in a Grand Fir-Shasta Red Fir Stand in Central Oregon Recognizing that some type of partial cutting might moderate the study area microclimatic extremes occurring in clearcuts and thus provide a more favorable environment for seedling establishment, the Forest Service began using the shelterwood system in the 196o's as an alternative to clearcutting in the upper slope types. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Kenneth W. Seidel
Publisher: Forgotten Books
ISBN: 9781396707490
Category : Gardening
Languages : en
Pages : 34
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Book Description
Excerpt from Natural Regeneration After Shelterwood Cutting in a Grand Fir-Shasta Red Fir Stand in Central Oregon Recognizing that some type of partial cutting might moderate the study area microclimatic extremes occurring in clearcuts and thus provide a more favorable environment for seedling establishment, the Forest Service began using the shelterwood system in the 196o's as an alternative to clearcutting in the upper slope types. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: William W. Oliver
Publisher:
ISBN:
Category : Abies magnifica
Languages : en
Pages : 12
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Book Description
Advance regeneration is common under decadent, old-growth stands of California red fir (Abies magnifica A. Murr.). Intense competition for the site's resources can create sapling stands of poor vigor and advanced age. When competition is reduced by overstory removal and thinning, suppressed advance regeneration has been shown to respond with increased growth. But, to select leave trees, land managers need to know which tree characteristics we associated with growth after release and thinning. This paper reports those easily measured tree characteristics found to be most closely associated with growth after 8 years, on the Swain Mountain Experimental Forest in northeastern California.
Author: Don Minore
Publisher: Forgotten Books
ISBN: 9781391155616
Category :
Languages : en
Pages : 38
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Book Description
Excerpt from Germination, Survival and Early Growth of Conifer Seedlings in Two Habitat Types Seed germination and seedling survival in the field are as important to natural forest regeneration as are the production and dispersal of seeds. Many seeds are produced and dispersed, but most do not germinate or they fail to survive after germination. This severe seed and seedling mortality multiplies the number of seeds required to obtain natural regeneration. It also acts as a selective factor in determining the genetics of future stands. The relation of dispersed seed populations to established seedling populations is not well known for most high elevation forests in the Pacific Northwest. Production and dispersal of conifer seeds in the Abies amabilis forest zone described by Franklin and Dyrness (1973) have been well studied (carkin and others 1978; Franklin and others 1974; Franklin and Smith 1974a, 1974b), but little work has been done on the fate of those seeds. Sullivan (1978) compared forest regenera tion on clearcuts in several habitat types within the Abies amabilis zone and con cluded that regeneration differed significantly among habitat types, but he did not relate his observations and conclusions to the seed supply. Neither did Halverson and Emmingham who were unable to correlate forest regeneration in the Abies amabilis zone with habitat types, but found extremes in environment to be the most probable cause of regeneration failure. Seidel (1979a) surveyed mixed conifer regeneration on many clearcuts along the east side of the Cascade Range and in the Blue Mountains of Oregon. He measured the variation among plant community types and geographic locations, but did not relate established regeneration to amounts of seed or early seedling mortality and did not derive any ratios for seeds to established seedlings. Seidel (1979b) also studied regeneration after shelterwood cutting in a grand fir (abies grandis (dougl. Ex D. Don) Lindl.) Shasta red fir (abies magnifica var. Shastensis Lemm.) stand in central Oregon. The number of sound seeds collected in his seed traps can be compared to the number of seedlings that became established during the 5-year measurement period to derive seed-to-seedling ratios for four slash treatments under three overstory densities. Those ratios varied from about on bulldozed seedbeds under an overstory with basal area of square meters per hectare to about on undisturbed seedbeds under the same overstory. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Gregory M. Filip
Publisher:
ISBN:
Category : Fir
Languages : en
Pages : 40
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Book Description
Author: William Erick Hallin
Publisher: Forgotten Books
ISBN: 9780428466930
Category : Science
Languages : en
Pages : 20
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Book Description
Excerpt from Silvical Characteristics of California Red Fir and Shasta Red Fir The Experiment Station is maintained at Berkeley, California in cooperation with the University of California. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Michael G. Barbour
Publisher:
ISBN:
Category : Sierra Nevada (Calif. and Nev.).
Languages : en
Pages : 32
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Book Description
Author: Gary Snyder
Publisher: Catapult
ISBN: 1582439354
Category : Religion
Languages : en
Pages : 206
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Book Description
A collection of captivatingly meditative essays that display a deep understanding of Buddhist belief, wildness, wildlife, and the world from an American cultural force. With thoughts ranging from political and spiritual matters to those regarding the environment and the art of becoming native to this continent, the nine essays in The Practice of the Wild display the deep understanding and wide erudition of Gary Snyder. These essays, first published in 1990, stand as the mature centerpiece of Snyder's work and thought, and this profound collection is widely accepted as one of the central texts on wilderness and the interaction of nature and culture.
Author: Anna Lowenhaupt Tsing
Publisher: Princeton University Press
ISBN: 0691220557
Category : Business & Economics
Languages : en
Pages : 348
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Book Description
"A tale of diversity within our damaged landscapes, The Mushroom at the End of the World follows one of the strangest commodity chains of our times to explore the unexpected corners of capitalism. Here, we witness the varied and peculiar worlds of matsutake commerce: the worlds of Japanese gourmets, capitalist traders, Hmong jungle fighters, industrial forests, Yi Chinese goat herders, Finnish nature guides, and more. These companions also lead us into fungal ecologies and forest histories to better understand the promise of cohabitation in a time of massive human destruction."--Publisher's description.
Author: John Alden
Publisher: Springer Science & Business Media
ISBN: 9780306444807
Category : Medical
Languages : en
Pages : 590
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Book Description
''Required reading for forest scientists.'' -Northeastern Naturalist
