Quantitative And Landscape Approaches To Amphibian Conservation PDF Download
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Author | : Anthony J. Krzysik |
Publisher | : |
Total Pages | : 96 |
Release | : 2000 |
Genre | : Amphibians |
ISBN | : |
Download Quantitative and Landscape Approaches to Amphibian Conservation Book in PDF, ePub and Kindle
Author | : Kevin M. Neal |
Publisher | : |
Total Pages | : 170 |
Release | : 2019 |
Genre | : |
ISBN | : |
Download An Integrative Population and Landscape Genomic Approach to Conservation of a Threatened California Amphibian at Multiple Spatial Scales Book in PDF, ePub and Kindle
Amphibians are threatened world-wide, and due to the elusive, seasonal, and often nocturnal habits of adults, biological assessments of amphibian species are often best conducted via genetic analysis of easily-sampled pond-dwelling larvae. Genetic analysis of amphibian species can benefit their conservation in several ways, including identification of evolutionary lineages and subpopulations as fundamental units of conservation, genetic assessment of demography and diversity, and inference of patterns of gene flow among populations and how patterns are affected by environmental variation. In this dissertation I elucidated the evolutionary relationships and population genetic status of a threatened California amphibian (Spea hammondii) at multiple spatial scales using a combination of genetic, genomic, and environmental data. Chapter one utilized limited genetic data to determine phylogenetic relationships of Spea species and used environmental niche modeling to examine ecological differentiation between two allopatric lineages identified within S. hammondii. Chapter two took advantage of a newer genomic-scale dataset of thousands of SNP markers to look at fine-scale patterns of genetic variation among natural and artificial S. hammondii ponds in a highly urbanized region of Southern California. Chapter three also made use of thousands of markers to validate species-level relationships in Spea and used the added genomic resolution to examine relationships within and among genetic clusters and quantified the potential impacts of urbanization on functional genetic connectivity. Broadly, I found that the nominal taxon S. hammondii likely comprises two species. Populations within each species were highly differentiated from one another and had exceptionally low effective population sizes, such that each species lacks sufficient adaptive potential to thrive without intervention. Overall, this dissertation applied a suite of phylogenetic, population genomic, and landscape genomic tools to analyze patterns of genetic variation in S. hammondii to guide ongoing and future conservation efforts.
Author | : C. Kenneth Dodd |
Publisher | : Oxford University Press |
Total Pages | : 585 |
Release | : 2010 |
Genre | : Nature |
ISBN | : 0199541183 |
Download Amphibian Ecology and Conservation Book in PDF, ePub and Kindle
Describes the latest methodologies used to study the ecology of amphibians throughout the world. Each of the 27 chapters explains a research approach or technique, with emphasis on careful planning and the potential biases of techniques. Statistical modelling, landscape ecology, and disease are covered for the first time in a techniques handbook.
Author | : |
Publisher | : |
Total Pages | : 796 |
Release | : 2002-07 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
Author | : |
Publisher | : IUCN |
Total Pages | : 68 |
Release | : 2007 |
Genre | : Amphibian declines |
ISBN | : 2831710081 |
Download Amphibian conservation action plan : proceedings IUCN/SSC Amphibian Conservation Summit 2005 Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 34 |
Release | : 2005 |
Genre | : Amphibians |
ISBN | : |
Download Amphibian Research and Monitoring Initiative : Concepts and Implementation Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 362 |
Release | : 1998 |
Genre | : Forests and forestry |
ISBN | : |
Download Research Paper RMRS Book in PDF, ePub and Kindle
Author | : Flavio Zanini |
Publisher | : |
Total Pages | : 180 |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Amphibian Conservation in Human Shaped Environments Book in PDF, ePub and Kindle
Author | : Douglas James Bruggeman |
Publisher | : |
Total Pages | : 110 |
Release | : 1997 |
Genre | : |
ISBN | : |
Download The Development of Integrative Approaches for Efforts in Amphibian Conservation Book in PDF, ePub and Kindle
Author | : Andrew F. Bennett |
Publisher | : IUCN |
Total Pages | : 261 |
Release | : 2003 |
Genre | : Corridors |
ISBN | : 2831707447 |
Download Linkages in the Landscape Book in PDF, ePub and Kindle
The loss and fragmentation of natural habitats is one of the major issues in wildlife management and conservation. Habitat "corridors" are sometimes proposed as an important element within a conservation strategy. Examples are given of corridors both as pathways and as habitats in their own right. Includes detailed reviews of principles relevant to the design and management of corridors, their place in regional approaches to conservation planning, and recommendations for research and management.