Endemism of subterranean Diacyclops in Korea and Japan, with descriptions of seven new species of the languidoides-group and redescriptions of D. brevifurcus Ishida, 2006 and D. suoensis Ito, 1954 (Crustacea, Copepoda, Cyclopoida) PDF Download
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Author: Tomislav Karanovic
Publisher: PenSoft Publishers LTD
ISBN: 9546426709
Category : Science
Languages : en
Pages : 84
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Book Description
This work explores for the first time comprehensively the diversity and endemism of subterranean copepod crustaceans from the genus Diacyclops in the Far East. Previous scarce records have indicated presence of only a few widely distributed species, despite relative isolation of subterranean habitats in this part of the world and very dynamic changes in topography during the Pleistocene glacial cycles. A wide range of samples from Korea and Japan are studied, and all previous records of subterranean Diacyclops are re-evaluated. Morphological analyses of microcharacters, many of which are used in cyclopoid taxonomy for the first time herein, reveal high diversity in both countries. No subterranean species is found in common, although the existence of four sibling species pairs is probably indicative of relatively recent speciation. Seven species are described as new to science and two are re-described. This research provides evidence for the importance of subterranean habitats as reservoirs of biodiversity, and also demonstrates the inadequacy of current morphological methods for identifying closely related species of copepods. The disproportionately high diversity and short-range endemism discovered around Lake Biwa provides further evidence for the role of ancient lakes as biodiversity pumps for subterranean habitats.
Author: Tomislav Karanovic
Publisher: PenSoft Publishers LTD
ISBN: 9546426709
Category : Science
Languages : en
Pages : 84
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Book Description
This work explores for the first time comprehensively the diversity and endemism of subterranean copepod crustaceans from the genus Diacyclops in the Far East. Previous scarce records have indicated presence of only a few widely distributed species, despite relative isolation of subterranean habitats in this part of the world and very dynamic changes in topography during the Pleistocene glacial cycles. A wide range of samples from Korea and Japan are studied, and all previous records of subterranean Diacyclops are re-evaluated. Morphological analyses of microcharacters, many of which are used in cyclopoid taxonomy for the first time herein, reveal high diversity in both countries. No subterranean species is found in common, although the existence of four sibling species pairs is probably indicative of relatively recent speciation. Seven species are described as new to science and two are re-described. This research provides evidence for the importance of subterranean habitats as reservoirs of biodiversity, and also demonstrates the inadequacy of current morphological methods for identifying closely related species of copepods. The disproportionately high diversity and short-range endemism discovered around Lake Biwa provides further evidence for the role of ancient lakes as biodiversity pumps for subterranean habitats.
Author: Masaharu Motokawa
Publisher: Springer
ISBN: 4431564322
Category : Science
Languages : en
Pages : 718
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Book Description
This book summarizes the status quo of the knowledge about the biodiversity in terrestrial, freshwater, and marine animals that live in Japan. Consisting of some 6,800 islands that are arrayed for approximately 3,500 km from north to south, the Japanese archipelago has a complex history in a paleogeographic formation process over time and harbors rich flora and fauna. This work will contribute to establishing a general biogeographic theory in archipelagoes around continental shelves. Facing the ongoing extinction crisis, one of the most important tasks for our generation is to bequeath this precious natural heritage to future generations. As the first step toward this goal, a species list has been compiled through solid, steady alpha-taxonomic work in each taxon. Furthermore, the phylogeography and population genetic structure for each species is elucidated for deeper understanding of the local fauna, the scientific results of which should be the basis for establishing conservation policies and strategies. Also the problem of alien or introduced species is investigated as another threat to the native fauna.Each of the 27 chapters is written by the most active specialist leading the field, thus readers can acquire up-to-date knowledge of the animal species diversity and their formation process of Japanese animals in the most comprehensive form available. This book is recommended for researchers and students who are interested in species diversity, biogeography, and phylogeography.
Author: Leszek A. Bledzki
Publisher: Springer
ISBN: 3319298712
Category : Science
Languages : en
Pages : 923
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Book Description
This work provides a user-friendly, species level taxonomic key based on morphology, current nomenclature, and modern taxonomy using molecular tools which fulfill the most pressing needs of both researchers and environmental managers. This key arms the reader with the tools necessary to improve their species identification abilities. This book resolves another issue as well: the mix of female and male characters used in keys to the calanoid copepods. Often, during the identification process, both calanoid copepod sexes are not available, and the user of such a key is stuck with an uncertain identification. Here, separate male and female keys to the calanoid copepods are provided for both the genera and species levels.
Author: Ivana Karanovic
Publisher: BRILL
ISBN: 9004156933
Category : Science
Languages : en
Pages : 442
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Book Description
The monograph describes the Candoninae fauna of the Pilbara region, containing 84 species and 12 genera, of which 83 species and 11 genera are endemic. This ancient fauna holds one of the most important clues about the evolution of the subfamily.
Author: Masahiro Dojiri
Publisher: BRILL
ISBN: 9004204245
Category : Nature
Languages : en
Pages : 461
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Book Description
Compiling an extensive array of information and literature, on the Caligidae, copepods predominantly parasitic on fishes, this book provides a comprehensive generic revision of the "sea lice" family Caligidae, as well as a phylogenetic analysis of this family and a discussion on the taxonomic status of the genera previously belonging to the Euryphoridae.
Author: Tomislav Karanovic
Publisher: BRILL
ISBN: 9004164596
Category : Science
Languages : en
Pages : 338
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Book Description
The prime function of the interstitial system is the processing of organic material flushed into the sand. It functions as a carbon sink, which has significant implications in this age, in which we are trying to fight carbon levels in the atmosphere. Copepods are top predators here and thus crucially important. This book presents the first data about cyclopoid and poecilostomatoid copepods from the Australian marine interstitial. It includes one new cyclopoid family, the second record of the poecilostomatoid family Polyankyaliidae, one new genus, and 21 new species. A zoogeographic analysis of the copepods recorded emphasizes the importance of looking at small-scale patterns when inferring Gondwanaland biogeography, and a number of distinct zoogeographic regions is now becoming apparent in Australia.
Author: Tomislav Karanovic
Publisher:
ISBN: 9781869774462
Category : Harpacticoida
Languages : en
Pages : 85
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Book Description
Author: Ivana Karanovic
Publisher: Springer Science & Business Media
ISBN: 3642218105
Category : Science
Languages : en
Pages : 620
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Book Description
Their story began 500 million years ago, but we only started to get to know them in 1746, when Linné described the first ostracod species. Vividly portraying the freshwater ostracods, this comprehensive reference work gathers the knowledge gained during some 250 years, but which to date has remained scattered throughout the literature. It starts with an introduction to the class Ostracoda with a special focus on freshwater ostracods and highlights practical methods in their study. The systematic part includes an introduction to all families; identification keys for all subfamilies, genera and species; diagnoses for each subfamily and genus; and lists of synonyms and distribution of species. The text is richly illustrated with distribution maps, line drawings of key generic characteristics, and numerous SEM photographs. Serving as an excellent starting point for all further research on freshwater ostracods, it can be widely used not only by ostracodologists, but also by crustaceologists, evolutionists and ecologists.
Author: Olav Giere
Publisher: Springer Science & Business Media
ISBN: 366202912X
Category : Science
Languages : en
Pages : 339
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Book Description
This is a comprehensive treatise on meiobenthology, the science of small animals which live, often disregarded even by zoologists, in huge numbers in all aquatic sediments. Covering all the scientific literature on the subject, particular emphasis is placed on ecological and systematic aspects. After a survey of the biotope conditions and important methods, the animals are introduced in a systematic account. This is followed by a report on the meiobenthos in relevant biotopes. The book concludes with an analysis of the productive role and the position of meiofauna in the food web and perspectives for future research.
Author: G. W. Coulter
Publisher: Oxford University Press on Demand
ISBN: 9780198585251
Category : Science
Languages : en
Pages : 354
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Book Description
This is the first comprehensive account of the one of the world's most remarkable lakes, drawing together much scattered and hard-to-access knowledge. The history of the lake, its hydrodynamics, extensive chemistry, and flora and fauna are among the areas examined. Particular attention is paid to the development and descriptions of the pelagic and benthic fish communities. Researchers will find the comprehensive bibliography a useful source of information.
