Origin of Antarctic Isopoda (Crustacea, Malacostraca)

Origin of Antarctic Isopoda (Crustacea, Malacostraca)
Author: Angelika Brandt
Publisher:
Total Pages:
Release: 1992
Genre:
ISBN:

An analysis of the horizontal and the vertical zonation of the Antarctic Isopoda, combined with knowledge of the geological history of Antarctica and isopod phylogeny, revealed that the isopod family serolidae and subfamily Arcturinae are likely to have evolved from ancestors that inhabited a cold-temperate Gondwanian province. Antarctic species of other families, such as the Munnopsidae, Nannoniscidae, Desmosomatidae and Ischnomesidae, are likely to have evolved from deep-sea ancestors. It is deduced that emigration of South Patagonian species into the Southern Ocean, although possible, probably did not occur very often. Evolutionary phenomena such as continental-drift vicariance, radiation of species on the continental shelf of Antarctica, and active migration, including submergence and emergence , mechanisms are discussed.

Antarctic Ecosystems

Antarctic Ecosystems
Author: Alex D. Rogers
Publisher: John Wiley & Sons
Total Pages: 585
Release: 2012-02-28
Genre: Science
ISBN: 1444347225

Since its discovery Antarctica has held a deep fascination for biologists. Extreme environmental conditions, seasonality and isolation have lead to some of the most striking examples of natural selection and adaptation on Earth. Paradoxically, some of these adaptations may pose constraints on the ability of the Antarctic biota to respond to climate change. Parts of Antarctica are showing some of the largest changes in temperature and other environmental conditions in the world. In this volume, published in association with the Royal Society, leading polar scientists present a synthesis of the latest research on the biological systems in Antarctica, covering organisms from microbes to vertebrate higher predators. This book comes at a time when new technologies and approaches allow the implications of climate change and other direct human impacts on Antarctica to be viewed at a range of scales; across entire regions, whole ecosystems and down to the level of species and variation within their genomes. Chapters address both Antarctic terrestrial and marine ecosystems, and the scientific and management challenges of the future are explored.

Evolution and Biogeography

Evolution and Biogeography
Author: Martin Thiel
Publisher: Oxford University Press
Total Pages: 400
Release: 2020-03-27
Genre: Science
ISBN: 0190094974

This is the eighth volume of a ten-volume series on The Natural History of the Crustacea. The volume examines Evolution and Biogeography, and the first part of this volume is entirely dedicated to the explanation of the origins and successful establishment of the Crustacea in the oceans. In the second part of the book, the biogeography of the Crustacea is explored in order to infer how they conquered different biomes globally while adapting to a wide range of aquatic and terrestrial conditions. The final section examines more general patterns and processes, and the chapters offer useful insight into the future of crustaceans.

Origin and Evolutionary Radiation of the Mollusca

Origin and Evolutionary Radiation of the Mollusca
Author: Malacological Society of London. Centenary Symposium
Publisher:
Total Pages: 470
Release: 1996
Genre: Science
ISBN:

The Mollusca are a large, diverse, and economically important group that ranges from slugs and snails through clams and oysters to octopus, squid, and cuttlefish. They are evolutionarily ancient and better known than most invertebrate groups because of their calcareous skeletons, which has led to their excellent preservation as fossils. This is a state-of-the-art summary of research into Molluscs and their evolution, including recent developments in phylogenetic analysis and molecular techniques. Since the last book on this topic was published in 1985, the vast amount of updated information found here should be on the bookshelf of every zoologist, evolutionary biologist, and taxonomist.

Ecosystems of the Deep Oceans

Ecosystems of the Deep Oceans
Author: P.A. Tyler
Publisher: Elsevier
Total Pages: 581
Release: 2003-03-27
Genre: Nature
ISBN: 008049465X

This volume examines the deep sea ecosystem from a variety of perspectives. The initial chapters examine the deep-sea floor, the deep pelagic environment and the more specialised chemosynthetic environments of hydrothermal vents and cold seeps. These environments are examined from the perspective of the relationship of deep-sea animals to their physico-chemical environment. Later chapters examine the biogeography of the main deep oceans (Atlantic, Pacific and Indian) with particular attention to the downward flux of surface-derived organic matter and how this drives the processes within the deep-sea ecosystem. The peripheral deep seas including the polar seas and the marginal deep seas (inter alia the Mediterranean, Red, Caribbean and Okhotsk seas) are explored in the same context. The final chapters examine the processes occurring in the deep sea and include an analysis of why the deep sea has high species diversity, how the fauna respond to organic input and how species have adapted reproductive activity in the deep sea. The volume concludes with an analysis of the anthropogenic impact on the deep sea.

Systems Biogeochemistry of Major Marine Biomes

Systems Biogeochemistry of Major Marine Biomes
Author: Aninda Mazumdar
Publisher: John Wiley & Sons
Total Pages: 339
Release: 2022-04-01
Genre: Science
ISBN: 1119554365

Systems Biogeochemistry of Major Marine Biomes A comprehensive system-level discussion of the geomicrobiology of the Earth’s oceans In Systems Biogeochemistry of Major Marine Biomes, a team of distinguished researchers delivers a systemic overview of biogeochemistry across a number of major physiographies of the global ocean: the waters and sediments overlying continental margins; the deep sub-surfaces; the Arctic and Antarctic oceans; and the physicochemical extremes such as the hypersaline and sulfidic marine zones, cold methane seeps and hydrothermal ecosystems. The book explores state-of-the-art advances in marine geomicrobiology and investigates the drivers of biogeochemical processes. It highlights the imperatives of the unique, fringe, and cryptic processes while studying the geological manifestations and ecological feedbacks of in situ microbial metabolisms. Taking a holistic approach toward the understanding of marine biogeochemical provinces, this book emphasizes the centrality of culture-dependent and culture-independent (meta-omics-based) microbiological information within a systems biogeochemistry framework. Perfect for researchers and scientists in the fields of geochemistry, geophysics, geomicrobiology, oceanography, and marine science, Systems Biogeochemistry of Major Marine Biomes will also earn a place in the libraries of policymakers and advanced graduate students seeking a one-stop reference on marine biogeochemistry.

Marine Chemical Ecology

Marine Chemical Ecology
Author: James B. McClintock
Publisher: CRC Press
Total Pages: 626
Release: 2001-06-13
Genre: Science
ISBN: 1420036602

The interdisciplinary field of marine chemical ecology is an expanding and dynamic science. It is no surprise that the breadth of marine organisms studied expanded in concert with developments in underwater technology. With its up-to-date subject reviews by experts, Marine Chemical Ecology is the most current, comprehensive book on the subject. The

Antarctic Valviferans (Crustacea, Isopoda, Valvifera)

Antarctic Valviferans (Crustacea, Isopoda, Valvifera)
Author: Brandt
Publisher: BRILL
Total Pages: 182
Release: 2023-08-14
Genre: Science
ISBN: 900461219X

During the "Polarstern" expeditions of 1983-1987 to Antarctica, a large number of benthic isopods were collected. Many of these species are already known, though not always well described, but the samples also contain many new species, especially of the family Arcturidae. The descriptions found in the literature are often poor or incomplete. It is difficult to determine many of the previously described species or to identify new species. For this reason, many species are redescribed besides the description of new species. Antarcturus Zur Strassen, 1902 does not form a monophyletic unit. Though a complete revision of the genera of the Arcturidae cannot be presented, it is possible to define some new, probably, monophyletic genera. Besides the contribution of descriptions of new species, redescriptions and the establishments of new genera this book will be a good stimulus for taxonomists and phylogeneticists to work out more monophyletic groups within the polyphyletic genus Antarcturus.