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A New Race Of Salamander Ensatina Eschscholtzii Picta From Northern California And Southern Oregon By Wallace F Wood
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Book Synopsis A New Race of Salamander, "Ensatina Eschscholtzii Picta", from Northern California and Southern Oregon, by Wallace F. Wood... by : Wallace F. Wood
Download or read book A New Race of Salamander, "Ensatina Eschscholtzii Picta", from Northern California and Southern Oregon, by Wallace F. Wood... written by Wallace F. Wood and published by . This book was released on 1940 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A New Race of Salamander, Ensatina Eschscholtzii Picta, from Northern California and Southern Oregon by : Wallace F. Wood
Download or read book A New Race of Salamander, Ensatina Eschscholtzii Picta, from Northern California and Southern Oregon written by Wallace F. Wood and published by . This book was released on 1940 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A New Race of Salamander, Ensatina Eschscholtzii Picta by : Wallace F. Wood
Download or read book A New Race of Salamander, Ensatina Eschscholtzii Picta written by Wallace F. Wood and published by . This book was released on 1940 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Modifications in the Hawaiian Goose (Nesochen Sandvicensis) by : Alden Holmes Miller
Download or read book Structural Modifications in the Hawaiian Goose (Nesochen Sandvicensis) written by Alden Holmes Miller and published by . This book was released on 1937 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis University of California Publications in Zoology by : University of California (1868-1952)
Download or read book University of California Publications in Zoology written by University of California (1868-1952) and published by . This book was released on 1940 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Books in Series, 1876-1949 by : R.R. Bowker Company
Download or read book Books in Series, 1876-1949 written by R.R. Bowker Company and published by New York : R.R. Bowker. This book was released on 1982 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dictionary Catalog of the National Agricultural Library, 1862-1965 by : National Agricultural Library (U.S.)
Download or read book Dictionary Catalog of the National Agricultural Library, 1862-1965 written by National Agricultural Library (U.S.) and published by . This book was released on 1970 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis News Notes of California Libraries by : California State Library
Download or read book News Notes of California Libraries written by California State Library and published by . This book was released on 1940 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1971- include annual reports and statistical summaries.
Book Synopsis University of California Union Catalog of Monographs Cataloged by the Nine Campuses from 1963 Through 1967: Authors & titles by : University of California (System). Institute of Library Research
Download or read book University of California Union Catalog of Monographs Cataloged by the Nine Campuses from 1963 Through 1967: Authors & titles written by University of California (System). Institute of Library Research and published by . This book was released on 1972 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis University of California Union Catalog of Monographs Cataloged by the Nine Campuses from 1963 Through 1967: Subjects by : University of California (System). Institute of Library Research
Download or read book University of California Union Catalog of Monographs Cataloged by the Nine Campuses from 1963 Through 1967: Subjects written by University of California (System). Institute of Library Research and published by . This book was released on 1972 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Book Publishing Record Cumulative, 1876-1949 by : R.R. Bowker Company. Department of Bibliography
Download or read book American Book Publishing Record Cumulative, 1876-1949 written by R.R. Bowker Company. Department of Bibliography and published by . This book was released on 1980 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Books in Series written by and published by . This book was released on 1982 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1980- issued in three parts: Series, Authors, and Titles.
Book Synopsis Amphibians and Reptiles of the Pacific States by : Gayle Benjamin Pickwell
Download or read book Amphibians and Reptiles of the Pacific States written by Gayle Benjamin Pickwell and published by . This book was released on 1949 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Books in Series, 1876-1949: Titles by : R.R. Bowker Company
Download or read book Books in Series, 1876-1949: Titles written by R.R. Bowker Company and published by . This book was released on 1982 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Books in Series, 1876-1949: Titles by :
Download or read book Books in Series, 1876-1949: Titles written by and published by . This book was released on 1982 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Speciation in salamanders of the plethodontid genus Ensatina by : Robert Cyril Stebbins
Download or read book Speciation in salamanders of the plethodontid genus Ensatina written by Robert Cyril Stebbins and published by . This book was released on 1949 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Dividing Link by : Thomas James Devitt
Download or read book The Dividing Link written by Thomas James Devitt and published by . This book was released on 2010 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plethodontid salamanders of the Ensatina eschscholtzii complex have received special attention from evolutionary biologists because they represent one of the very few examples of a ring species, a case where two reproductively isolated forms are connected by a chain of intergrading populations surrounding a central geographic barrier. Ensatina has become a textbook example of speciation, yet there still remain fundamental gaps in our knowledge of this fascinating system. In this study, consisting of three components, I extend previous work on the Ensatina complex in new directions. In Chapter 1, I conducted a fine-scale genetic analysis of a hybrid zone between the geographically terminal forms of the ring using Bayesian methods for hybrid identification and classification in combination with mathematical cline analyses. F1s and pure parentals dominated the sample. Cline widths were concordant and narrow with respect to dispersal, but there is cytonuclear discordance, both in terms of introgression and the geographic position of mitochondrial versus nuclear clines. Nearly all hybrids possess mitochondrial DNA from one parental type (klauberi suggesting isolation is asymmetrical. Selection against hybrids is inferred to be strong (2̃1%), but whether this selection is endogenous (genetically-based) or exogenous (environmentally-based) remains to be tested. In Chapter 2, I investigated the role of late Quaternary climate change on phylogeographic patterns within the Large-blotched Ensatina (Ensatina eschscholtzii klauberi). Intersecting species distribution models constructed under current climatic conditions, as well as two different historical time periods (Last Glacial Maximum, 21 ka and mid-Holocene, 6 ka), predicted stable refugial areas where the species may have persisted throughout climatic fluctuations. Significant phylogeographic structure exists, but geographic structuring of genetic variation by refugia was not supported. Results suggest that populations in putative refugia have not been isolated for very long, or that gene flow may have masked any earlier periods of divergence in allopatry. In Chapter 3, I conducted a multilocus phylogeographic analysis of the entire Ensatina eschscholtzii complex to reexamine previous phylogenetic hypotheses based on mitochondrial DNA alone. A concatenation approach was used in addition to newer methods that model the relationship between the species tree and the gene trees embedded within them. The concatenated tree was similar to previous mitochondrial trees, identifying well-supported coastal and inland clades, and recovering oregonensis and platensis as paraphyletic. The concatenated tree was not well resolved at the base. Basal relationships recovered by the species tree were well resolved, but most relationships were not well supported compared to the concatenated tree. Results are generally consistent with previous efforts based on mtDNA, but provide further resolution to the Ensatina phylogeny, while highlighting the difficult nature of inferring species trees from samples of closely related populations that are experiencing gene flow.