The Biology Of Plethodontid Salamanders
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The Biology Of Plethodontid Salamanders
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Author : Richard C. Bruce
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Biology Of Plethodontid Salamanders written by Richard C. Bruce and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This volume offers a state-of-the-art overview of plethodontid salamanders. Readers will find the best current understanding of many aspects of the evolution, systematics, development, morphology, life history, ecology, and field methodology of these animals.
Biology Of Plethodontid Salamanders
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Author :
language : en
Publisher:
Release Date : 1993
Biology Of Plethodontid Salamanders written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Studies On The Biology Of Two Ambystomid And Five Plethodontid Salamanders Of Western Oregon
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Author : Richard Eighme Freiburg
language : en
Publisher:
Release Date : 1954
Studies On The Biology Of Two Ambystomid And Five Plethodontid Salamanders Of Western Oregon written by Richard Eighme Freiburg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Salamanders categories.
Studies Of Ecology And Morphology In The Plethodontid Salamander Genus Batrachoseps
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Author : Christopher James Evelyn
language : en
Publisher:
Release Date : 2016
Studies Of Ecology And Morphology In The Plethodontid Salamander Genus Batrachoseps written by Christopher James Evelyn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Evolution of interspecific morphological diversity within a clade is one of the fundamental patterns studied in evolutionary biology. These morphological differences may reflect adaptation to different environmental conditions and influence patterns across biogeographical spatial scales and macroevolutionary time scales. Using a multivariate measure of morphological shape and a well-studied phylogenetic hypothesis for the plethodontid salamander genus Batrachoseps, I revealed the strong correlation between morphology and species range size, and tested ecological hypotheses that might explain this relationship. Morphological evolution in Batrachoseps can be generally described as variation on the theme of elongation, a pattern also seen in several families of lizards such as Scincidae and Gymnophthalmidae. In Batrachoseps the most elongate forms appear wormlike with highly reduced limbs. Generalized forms of Batrachoseps are similar in proportion to other small salamanders in the family Plethodontidae, such as Plethodon.
The Ecology Of Plethodontid Salamanders In Acidic Headwater Streams In Virginia
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Author : Linda Elaine Green
language : en
Publisher:
Release Date : 2006
The Ecology Of Plethodontid Salamanders In Acidic Headwater Streams In Virginia written by Linda Elaine Green and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Lineage Divergence And Species Formation In Plethodontid Salamanders
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Author : Sean Michael Rovito
language : en
Publisher:
Release Date : 2009
Lineage Divergence And Species Formation In Plethodontid Salamanders written by Sean Michael Rovito and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Morphologic And Genetic Studies Of The European Plethodontid Salamanders
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Author : Benedetto Lanza
language : en
Publisher: Museo Reg. Scienze Nat. Torino
Release Date : 1995
Morphologic And Genetic Studies Of The European Plethodontid Salamanders written by Benedetto Lanza and has been published by Museo Reg. Scienze Nat. Torino this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Nature categories.
Ecology And Genetics Of Lungless Salamanders Family Plethodontidae In The Gulf Coastal Plain
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Author : Jennifer Yasmin Lamb
language : en
Publisher:
Release Date : 2016
Ecology And Genetics Of Lungless Salamanders Family Plethodontidae In The Gulf Coastal Plain written by Jennifer Yasmin Lamb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Lungless salamanders categories.
During the last half century, lungless salamanders (Family Plethodontidae) have been the subject of numerous studies in the fields of ecology and genetics. While most works have focused on the species-rich Eastern Highlands region, there has been a recent shift towards plethodontid assemblages within the Coastal Plain. The research presented herein applies hierarchical occupancy models and both mitochondrial and nuclear genes to address questions pertinent to the biology and conservation of plethodontids within the Gulf Coastal Plain. The results of a multi-species Bayesian single-season occupancy model indicated that two environmental gradients, upstream drainage area and stream drying, influenced the probability of occurrence for multiple species of stream-breeding plethodontids. Further, species varied in their responses to these gradients. A second model was used to ask whether asymmetric interactions also influenced occurrence for three species of brook salamanders (Genus Eurycea). More specifically, the model tested whether the southern two-lined salamander (E. cirrigera) might act as the dominant predator and or competitor to either the three-lined (E. guttolineata) or dwarf (E. quadridigitata) salamanders. The results of this second model suggested that environmental gradients likely work in tandem with negative interactions to shape the distribution of E. guttolienata within the Gulf Coastal Plain. Like hierarchical occupancy models, genetic tools are also shedding light on complex relationships among and within species of lungless salamanders. This research investigated phylogeographic patterns within a wide-ranging species of plethodontid, the spotted dusky salamander (Desmognathus conanti). Sequence data revealed that there were geographically discrete, deeply divergent mitochondrial lineages within D. conanti which may be the result of isolation brought about by fluctuating sea levels during the late Miocene through the Pleistocene. Data from six rapidly mutating microsatellite markers indicated that there had been recent gene flow across some of these lineages in the southern Gulf Coastal Plain. However, these data also suggest that a northern lineage may have remained distinct. The relationships described and occurrence probabilities estimated by the aforementioned models, in combination with conclusions from analyses of genetic data, improve our ability to conserve regional plethodontid biodiversity within this unique physiographic province.
Reproductive Biology And Phylogeny Of Urodela
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Author : Barrie G M Jamieson
language : en
Publisher: CRC Press
Release Date : 2003-01-05
Reproductive Biology And Phylogeny Of Urodela written by Barrie G M Jamieson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-05 with Science categories.
This volume contains original contributions from an international group of authors with the highest reputations in their respective areas of phylogenetic and reproductive studies on salamanders and newts. A full panoply of topics is covered, from morphology of gametes and reproductive systems to considerations of behavior and life history, all placed in a phylogenetic context. The chapters not only synthesize past literature but also present new observations and indicate directions for future research. This is an essential text for anyone interested in the biology of urodele amphibians.
Nitrogen Excretion In Plethodontid Salamanders
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Author : Sharon A. Hastings
language : en
Publisher:
Release Date : 1978
Nitrogen Excretion In Plethodontid Salamanders written by Sharon A. Hastings and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Nitrogen excretion categories.