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Author: Guido di Prisco
Publisher: Springer Science & Business Media
ISBN: 884702157X
Category : Science
Languages : en
Pages : 359
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Book Description
The Antarctic fish fauna has evolved over a long period of geographic and climatic isolation. In the course of this evolution, Antarctic fish have developed specialized adaptations, some of which characterize these organisms as unique. In strong contrast to the continental shelf faunas elsewhere, the Antarctic shelf ichthyofauna is dominated by a single highly endemic group, the Notothenioidei. This group of perciform fish probably first appeared and diversified in the early Tertiary. The development of the Polar Front (referred to as the Antarctic Convergence in the older literature) resulted in a natural oceanographic barrier to migration in either direction, and thus became a key factor in the evolution of Antarctic fish. The dominance of the Antarctic continental shelf fauna by a single taxonomic group of fish provides a simplified natural laboratory for exploring the wealth of physiological, biochemical and ecological adaptations that characterize the fauna. Understanding of the patterns of adaptation in this highly specialized group of fish can tell us much about of evolution.
Author: Guido di Prisco
Publisher: Springer Science & Business Media
ISBN: 884702157X
Category : Science
Languages : en
Pages : 359
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Book Description
The Antarctic fish fauna has evolved over a long period of geographic and climatic isolation. In the course of this evolution, Antarctic fish have developed specialized adaptations, some of which characterize these organisms as unique. In strong contrast to the continental shelf faunas elsewhere, the Antarctic shelf ichthyofauna is dominated by a single highly endemic group, the Notothenioidei. This group of perciform fish probably first appeared and diversified in the early Tertiary. The development of the Polar Front (referred to as the Antarctic Convergence in the older literature) resulted in a natural oceanographic barrier to migration in either direction, and thus became a key factor in the evolution of Antarctic fish. The dominance of the Antarctic continental shelf fauna by a single taxonomic group of fish provides a simplified natural laboratory for exploring the wealth of physiological, biochemical and ecological adaptations that characterize the fauna. Understanding of the patterns of adaptation in this highly specialized group of fish can tell us much about of evolution.
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 412
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Book Description
Author: Programma nazionale di ricerche in Antartide
Publisher:
ISBN:
Category : Antarctica
Languages : en
Pages : 316
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Book Description
Author: Adalberto Luís Val
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 442
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Book Description
Water is a living tissue influenced by chemical, biological and physical factors that, in turn, are influenced by local and climatic factors. Fish have to adjust physiologically to these alterations in habitat to survive. Physiological adaptation is a dynamic and never-ending process that has resulted in myriad fish groups adapted to the vast environmental diversity which exists on Earth. Moreover, adaptively modified organisms acquire greater ability to exploit the full range of natural environments, by adopting new modes of life in many situations. This book is a journey through fish adaptations.
Author: Rosa Margesin
Publisher: Springer Science & Business Media
ISBN: 3662062852
Category : Science
Languages : en
Pages : 408
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Book Description
Representing the latest knowledge of the ecology and the physiology of cold-adapted microorganisms, plants and animals, this book explains the mechanisms of cold-adaptation on the enzymatic and molecular level, including results from the first crystal structures of enzymes of cold-adapted organisms.
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 254
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Book Description
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 1082
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Book Description
Author: Guido di Prisco
Publisher: Cambridge University Press
ISBN: 1108498566
Category : Nature
Languages : en
Pages : 383
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Book Description
A diverse account of how life exists in extreme environments and these systems' susceptibility and resilience to climate change.
Author: Marino Vacchi
Publisher: Springer
ISBN: 3319558935
Category : Science
Languages : en
Pages : 321
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Book Description
This book encompasses the body of available scientific information on the notothenioid fish Pleuragramma antarctica commonly known as Antarctic silverfish. This plankton-feeder of the intermediate trophic level is the most abundant fish in the coastal regions of high Antarctica, and plays a pivotal ecological role as the main prey of top predators like seals, penguins, whales and Antarctic toothfish. Broad circum-polar distribution, a key role in the Antarctic shelf pelagic ecosystem, and adaptations makes understanding the species’ likely response to environmental change relevant to foresee the potential responses at the local ecosystem level. Additionally, a detailed understanding of the abundance and trophic interactions of such a dominant keystone species is a vital element of informing the development of marine spatial planning and marine protected areas in the Antarctic continental shelf region. Experts in the field provide here unique insights into the evolutionary adaptation, eco-physiology, trophic ecology, reproductive and population ecology of the Antarctic silverfish and provide new clues about its vulnerability in facing the challenges of the ongoing environmental changes.
Author:
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ISBN:
Category : Biology
Languages : en
Pages : 392
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Book Description
