Stabilizing Sand Dunes On The Pacific Coast With Woody Plants
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Stabilizing Sand Dunes on the Pacific Coast with Woody Plants by Robert L. Brown Pdf
Establishing and maintaining permanent vegetation has proved to be the most effective and efficient means of stabilizing coastal sand dunes. The dune areas on the Pacific coast of North America are the result of accelerated erosion caused primarily by the destruction of a cover of native vegetation. In some areas the climax cover was herbaceous, in others it was woody, and in still others it was a combination of herbaceous and woody plants. The choice of plants for the reconstruction of a permanent cover depends on the inherent limitations of the site and the intended land use for the area.
Stabilizing Sand Dunes on the Pacific Coast with Woody Plants (Classic Reprint) by Robert L. Brown Pdf
Excerpt from Stabilizing Sand Dunes on the Pacific Coast With Woody Plants Figure l. - Stabilized coastal sand dunes are used for recreation, provided pre caution is taken to preserve the permanent cover from damage.of extensive areas of eroding dunes on the north Pacific coast. They pointed out that trees and shrubs were essential to erosion control on some sites, while on others the choice between herbaceous and woody perennials for permanent stabilization depended on the use of the area. The land capability and the economic and social considerations determine the use of the stabilized area. Most of the dune areas on the Pacific coast of North America are in land-capability classes VII and VIII. 2 Such lands have severe limitation for use because of the erosion hazard, low fertility, or low water-supply capacity. Small areas of class VI land with slightly less erosion hazard and of excessively wet class V land are interspersed with the class VII and VIII land of the dunes. Small areas of class III and IV land occur on some coastal dunes. These may be used for cultivated crops or pasture, but they require large amounts of fertilizer and supplemental irrigation. If cultivated crops are grown, extreme precautions must be taken to prevent wind erosion. The same conditions that preclude the use of stabilized dunes for cultivated crops or pasture also limit their use for the production of major forest products such as lumber, poles, or pulpwood. Minor forest products such as Christmas trees, charcoal, and florist greenery are possible with intensive culture when areas are near markets. The use of coastal dunes for recreation is consistent with both their land capability and their location. Large centers of population are usually located near the coast, and improved highways make them readily accessible to vacationers. Recreational use of coastal dune areas is enhanced by the proper use of trees and shrubs for permanent stabilization (fig. Precautions must be taken to preserve the permanent cover from damages by overuse, careless use, and fire. 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.
Stabilizing Sand Dunes on the Pacific Coast with Woody Plants by Robert L. Brown Pdf
Establishing and maintaining permanent vegetation has proved to be the most effective and efficient means of stabilizing coastal sand dunes. The dune areas on the Pacific coast of North America are the result of accelerated erosion caused primarily by the destruction of a cover of native vegetation. In some areas the climax cover was herbaceous, in others it was woody, and in still others it was a combination of herbaceous and woody plants. The choice of plants for the reconstruction of a permanent cover depends on the inherent limitations of the site and the intended land use for the area.
It is more than half a century since the publication of R. A. Bagnold’s classic book The physics of blown sand and desert dunes, and it is a tribute to the quality of Bagnold’s work that many of the fundamental principles which he developed - main valid today. His book continues to be essential reading for any serious s- dent of aeolian processes. However, the past two decades have seen an explosion in the scale of research dealing with aeolian transport processes, sediments, and landforms. Some of this work has been summarized in review papers and edited conference proceedings, but this book provides the rst attempt to review the whole eld of aeolian sand research. Inevitably, it has not been possible to cover all - pects in equal depth, and the balance of included material naturally re ects the - thors’ own interests to a signi cant degree. However, our aim has been to provide as broad a perspective as possible, and to provide an entry point to an extensive mul- disciplinary scienti c literature, some of which has not been given the attention it deserves in earlier textbooks and review papers. Many examples are drawn from existing published work, but the book also makes extensive use of our own research in the Middle East, Australia, Europe, and North America. The book has been written principally for use by advanced undergraduates, po- graduates, and more senior research workers in geomorphology and sedimentology.
