Ryan e nelson (5 Ergebnisse)
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Zustand: New. KlappentextrnrnThe Red-cockaded Woodpecker (RCW) (Picoides borealis) is classified as anendangered species under the Endangered Species Act of 1973. The RCW is endemic tothe longleaf pine forests of the southeastern United States. The two main f.
Sprache: Englisch
Verlag: British Library, Historical Print Editions Nov 2012, 2012
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Taschenbuch. Zustand: Neu. Neuware - The Red-cockaded Woodpecker (RCW) (Picoides borealis) is classified as anendangered species under the Endangered Species Act of 1973. The RCW is endemic tothe longleaf pine forests of the southeastern United States. The two main factorscontributing to the RCW population declines are the suppr…ession of natural wildfiresduring the 1900's and the habitat fragmentation due to inappropriate timber harvesttechniques. Given the endangerment of the RCW, the genetic variation of the smallpopulations will decrease over time due to random genetic drift. The only method ofbattling the negative effects of random genetic drift is to move, or translocate, geneticallydiverse birds into the fragmented populations thereby increasing the genetic diversity ofthe small populations. The objective of this research effort is to explore the effects ofrandom genetic drift on small RCW populations and to determine the most efficientmanagement strategies to be used in different situations.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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