Population Genomic Structure And Geographic Variation In Floridas Coastal Seaside Sparrows
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Author | : Carolyn Marie Enloe |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : |
ISBN | : |
The distinctiveness, genetic relatedness and geographic distributions of Seaside Sparrow subspecies along Florida's coastline are poorly understood. Along the gulf coast are two state-listed subspecies that some suggest represent a single genetic unit. In this work, genome-wide single nucleotide polymorphisms (SNPs) generated via double digest restriction site associated DNA sequencing (ddRADseq), were used to assess whether genetic clusters corresponded geographically with the defined ranges of current subspecific taxa. To further examine relationships between taxa, and to potentially develop tools for identification in the field, geographic differences in phenotypic characteristics were utilized to evaluate whether morphologic characteristics, or key parameters of primary song corresponded with defined subspecific ranges or genetic groups. Results from this study bring added support for the lack of distinctiveness of Ammospiza maritima juncicola from Ammospiza maritima peninsula and better define the geographic boundaries between the reproductive units along Florida's coastline. This data will help to inform conservation efforts for this species.
Author | : Mackenzie Roeder |
Publisher | : |
Total Pages | : 98 |
Release | : 2018 |
Genre | : Endemic birds |
ISBN | : |
Seaside Sparrows "Ammospiza maritima" are tidal salt marsh endemic passerines found along the Atlantic and Gulf Coasts. At present there has not been a modern genetic assessment of the Atlantic Coast clade, which consists of two extant subspecies: the Northern Seaside Sparrow, "A. m. maritima" (Wilson 1811), and MacGillivray's Seaside Sparrow, "A. m. macgillivraii" (Audubon 1870). The currently described ranges of these subspecies are from Massachusetts to North Carolina (Northern) and North Carolina to Florida (MacGillivray's). We analyzed genetic (microsatellite and mitochondria) data from 400 Seaside Sparrows from Connecticut to Florida (2000 - 2017). Sampling efforts were focused (1) near the currently defined geographic boundary between the subspecies (Dare County, NC), and (2) the type locality for MacGillivray's Seaside Sparrow (Charleston, SC). Bayesian cluster analysis (program STRUCTURE) indicates three genetically distinct population segments, which were recovered regardless of how the data were subsampled. The population in Charleston, SC was the most strongly differentiated population, and this population also harbored a unique mitochondrial (mtDNA) "signature," likely reflecting long-standing isolation. These results indicate discordance with the currently described ranges of the subspecies of Seaside Sparrow, and provide grounds for the consideration of separate management plans for the three populations.
Author | : Jason Ford Smyth |
Publisher | : |
Total Pages | : 122 |
Release | : 2011 |
Genre | : Animal population genetics |
ISBN | : |
Author | : John C Avise |
Publisher | : World Scientific |
Total Pages | : 584 |
Release | : 2010-08-18 |
Genre | : Science |
ISBN | : 9814464309 |
This volume is a reprinted collection of 69 “classics” from the Avise laboratory, chosen to illustrate a trademark brand of research that harnesses molecular markers to scientific studies of natural history and evolution in the wild. Spanning the early 1970s through the late 2000s, these articles trace how the author and his colleagues have used molecular genetics techniques to address multifarious conceptual topics in genetics, ecology, and evolution, in a fascinating menagerie of creatures with oft-peculiar lifestyles. The organisms described in this volume range from blind cavefish to male-pregnant pipefishes and sea spiders, from clonal armadillos to natal-homing marine turtles, from hermaphroditic sea snails to hybridizing monkeys and tree frogs, from clonal marine sponges to pseudohermaphroditic mollusks to introgressing oysters, and from endangered pocket gophers, terrapins, and sparrows to unisexual (all-female) fish species to “living-fossil” horseshoe crabs, and even to a strange little fish that routinely mates with itself. The conceptual and molecular topics addressed in this volume are also universal, ranging from punctuated equilibrium to coalescent theory to the need for greater standardization in taxonomy, from cytonuclear disequilibrium statistics to the ideas of speciation duration and sympatric speciation, from historical population demography to phylogenetic reconstructions of males' sexual ornaments, from the population genetic consequences of inbreeding to Pleistocene effects on phylogeography, and from the molecular underpinnings of null alleles to the notion of clustered mutations that arise in groups to compelling empirical evidence for the unanticipated processes of gene conversion and concerted evolution in animal mitochondrial DNA. Overall, this collection includes many of the best, most influential, sometimes controversial, occasionally provocative, always intriguing, or otherwise entertaining publications to have emerged from the Avise laboratory over the last four decades. Thus, this book conveys, through the eyes of one of the field's longstanding pioneers, what “the organismal side” of molecular ecology and evolution really means.
Author | : Robert Martin Zink |
Publisher | : |
Total Pages | : 132 |
Release | : 1986 |
Genre | : Games & Activities |
ISBN | : |
Author | : Thomas L. Quay |
Publisher | : |
Total Pages | : 198 |
Release | : 1983 |
Genre | : Birdsongs |
ISBN | : |
Author | : Frank B. Gill |
Publisher | : Macmillan |
Total Pages | : 802 |
Release | : 1995 |
Genre | : Fiction |
ISBN | : 9780716724155 |
Approaches the subject from a biological and evolutionary perspective rather than just identification.
Author | : John Waddington |
Publisher | : |
Total Pages | : 390 |
Release | : 2000 |
Genre | : Bird populations |
ISBN | : |
Author | : Willem M. Roosenburg |
Publisher | : Johns Hopkins University Press |
Total Pages | : 291 |
Release | : 2019-01-08 |
Genre | : Science |
ISBN | : 1421426269 |
Walsh, Thane Wibbels, Will Williams, Roger C. Wood
Author | : Russell Greenberg |
Publisher | : |
Total Pages | : 352 |
Release | : 2006 |
Genre | : Nature |
ISBN | : |
Collection of twenty papers presented at a symposium held in October 2002 at the Patuxent National Wildlife Research Center, Patuxent, Maryland.