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Author: Petar Beron
Publisher: Springer
ISBN: 3319744186
Category : Science
Languages : en
Pages : 995
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Book Description
This volume merges all geographical and paleogeographical data on all groups of the arachnofauna. The book features topics such as the ecological factors, climate and other barriers that influence the distribution of arachnida. It also elaborates on the characteristics of the distribution such as arachnida at high altitude (e.g. Himalaya), in caves, in polar regions and highlights differences between the arachnofauna of e.g. Mediterranean regions vs Central Europe, West African vs Indomalayan and more. Furthermore, amongst other topics the volume also includes chapters on the systems of arachnida, fossil orders, dispersal and dispersion, endemics and relicts, regional arachnogeography, cave and high altitude arachnida.
Author: Petar Beron
Publisher: Springer
ISBN: 3319744186
Category : Science
Languages : en
Pages : 995
Get Book Here
Book Description
This volume merges all geographical and paleogeographical data on all groups of the arachnofauna. The book features topics such as the ecological factors, climate and other barriers that influence the distribution of arachnida. It also elaborates on the characteristics of the distribution such as arachnida at high altitude (e.g. Himalaya), in caves, in polar regions and highlights differences between the arachnofauna of e.g. Mediterranean regions vs Central Europe, West African vs Indomalayan and more. Furthermore, amongst other topics the volume also includes chapters on the systems of arachnida, fossil orders, dispersal and dispersion, endemics and relicts, regional arachnogeography, cave and high altitude arachnida.
Author: V. Fet
Publisher: Springer Science & Business Media
ISBN: 9401111162
Category : Science
Languages : en
Pages : 654
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Book Description
remnants of gene pools of these species. Badghyz Natural Reserve, established in 1941, became a refuge for the last existing population of the Turkmen onager (Equus hemionus onager) and a unique pistachio woodland. A new generation oflocal Turkmen scientists, many of whom were trained by the Russian researchers in the graduate schools of Moscow and Leningrad arose from the 1930s through the 1950s. The Turkmen Academy of Sciences and its journal, Proceedings (including the monthly biological series), served to record the results of diverse biological studies in the republic. While basic science in the Middle Asian republics rather gained from the Russian "colonial" influence, natural resources, in contrast, were severely damaged by the Soviet way of handling the economy and social issues. Severe environmental problems have been inherited by the now independent Turkmenistan, including overgrazed desert pastures, deforested mountains, depleted water resources, accumulated pesticides in cotton fields, declining populations of endangered species of animals and plants, and - worst of al- progressing, human-caused desertification (Kharin this volume). In order to approach a solution to these problems, scientists and officials in the republic will need the close attention and help of the international scientific community.
Author: Victor Fet
Publisher: Springer Science & Business Media
ISBN: 1402044178
Category : History
Languages : en
Pages : 698
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Book Description
From single-celled organisms in Black Sea sand to endemic cave crustaceans, from mountain glacial relict insects to the most diverse bird fauna in Europe, the fauna of Bulgaria has been a subject of study for more than a century. This is the first English language survey of all vertebrate and many key invertebrate groups of Bulgaria, their faunistics, origin, geographical and ecological distribution, and conservation issues.
Author: Pavel Stoev
Publisher: PenSoft Publishers LTD
ISBN: 9546425028
Category : Science
Languages : en
Pages : 382
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Book Description
This issue is dedicated to Dr. Christo Deltshev, the doyen of Bulgarian araneology. It contains seventeen arachnological publications, including a concise biography of Dr. Deltshev, a list of his scientific publications and his described taxa. The volume comprises taxonomic contributions in the spider families Hypochilidae, Sicariidae, Dysderidae, Hersiliidae, Theridiidae, Linyphiidae, Lycosidae, Dictynidae, Gnaphosidae, Sparassidae, Philodromidae and Salticidae and fossil taxa in the harvestmen suborders Dyspnoi and Eupnoi, written by a total of 36 authors. Four new genera and 37 new spider and harvestmen species have been described in this volume, and dozens of new taxonomic alterations (new combinations, new synonyms, new statuses, etc.) are proposed too. Geographically, the papers deal with material originating from Europe, Africa, Asia, North and South America. There is also an overview of the use of barcoding to identify spiders in species-rich genera.
Author: Theodore Horace Savory
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 360
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Book Description
Author: Mark S Harvey
Publisher: CSIRO PUBLISHING
ISBN: 0643098747
Category : Science
Languages : en
Pages : 400
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Book Description
This authoritative catalogue will greatly assist readers in finding the correct taxonomic name for any given family, genus or species within each of the six arachnid orders treated. It contains a valuable summary of bibliographic information, enabling readers to access the worldwide literature for these smaller orders. The catalogue presents full bibliographic data on each of the taxa named thus far, treating over 1600 species. It contains the most current classification system for each group, some of which have not been catalogued on a world scale for over 70 years. A summary of taxonomic changes is included. This quality reference will be of immense value to arachnologists, systematists, taxonomists, ecologists and biodiversity professionals, especially those interested in tropical rainforest communities.
Author: Irina Yu. Bakloushinskaya
Publisher: Alexander Doweld
ISBN:
Category : Science
Languages : en
Pages : 779
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Book Description
Author: Michael Heads
Publisher: Cambridge University Press
ISBN: 1107041023
Category : Nature
Languages : en
Pages : 507
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Book Description
A fascinating analysis of the main patterns of distribution and evolution of the Australasian biota.
Author: Janet Leonard
Publisher: Oxford University Press
ISBN: 0199717036
Category : Science
Languages : en
Pages : 550
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Book Description
Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long the province of taxonomists, has recently attracted broader interest from evolutionary biologists, especially those interested in sexual selection and the evolution of reproductive strategies. Primary sexual characters were long assumed to be the product of natural selection, exclusively. A recent alternative suggests that sexual selection explains much of the diversity of "primary" sexual characters. A third approach to the evolution of reproductive interactions after copulation or insemination has been to consider the process one of sexual conflict. That is, the reproductive processes of a species may reflect, as does the mating system, evolution acting on males and on females, but in different directions. In this volume, authors explore a wide variety of primary sexual characters and selective pressures that have shaped them, from natural selection for offspring survival to species-isolating mechanisms, sperm competition, cryptic female choice and sexual arms races. Exploring diverse reproductive adaptations from a theoretical and practical perspective, The Evolution of Primary Sexual Characters will provide an unparalleled overview of sexual diversity in many taxa and an introduction to the issues in sexual selection that are changing our view of sexual processes.
Author: J.C. Briggs
Publisher: Elsevier
ISBN: 0080868517
Category : Science
Languages : en
Pages : 217
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Book Description
One needs to look at only a small portion of the enormous literature on plate tectonics published in the last 15 years to realize that there are many differences between the various reconstructions that have been presented. It becomes obvious that, although there is a general agreement about the presence of an assembly of continents (a Pangaea) in the early Mesozoic, there is considerable disagreement among earth scientists as to the configurement of the assembly and the manner and timing of the subsequent dispersal. While the revolution in geophysics was taking place, systematic work in paleontology and neontology was being carried out. This book is an attempt to incorporate the biological evidence into the theory of plate tectonics.The author traces the changing relationships among the various biogeographic regions and demonstrates how such changes may often be correlated with the gradual geographic alteration of the earth's surface. He analyses recent information about the distribution of widespread groups of terrestrial and freshwater vertebrates, invertebrates and plants, and discusses the biogeographical effects of the movement of oceanic plates.It is particularly important to obtain dependable information about certain critical times in the history of continental relationships. We need to know when the terrestrial parts of the earth were broken apart and when they were joined together. The present investigation makes it clear that we cannot depend entirely on evidence from plate tectonics nor will purely biological evidence suffice. This book thus provides much of interest to systematists working on contemporary groups of plants and animals, paleontologists, evolutionary biologists, and professors teaching courses in biogeography.
