The Body Temperature Of Fresh Water Fishes And Its Effect On Metabolism
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The Body Temperature Of Fresh Water Fishes And Its Effect On Metabolism
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Author : Ralph George Clausen
language : en
Publisher:
Release Date : 1933
The Body Temperature Of Fresh Water Fishes And Its Effect On Metabolism written by Ralph George Clausen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with categories.
Effects Of Elevated Temperature On Metabolic Performance And Thermal Tolerance Of A Widespread African Cichlid
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Author : Laura McDonnell
language : en
Publisher:
Release Date : 2015
Effects Of Elevated Temperature On Metabolic Performance And Thermal Tolerance Of A Widespread African Cichlid written by Laura McDonnell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
"Rising water temperature due to climate change is increasingly recognized as a potential stressor for aquatic organisms, particularly for tropical ectotherms that experience small temperature fluctuations, often show narrow thermal windows, and seem to live relatively close to their maximum thermal tolerance. Despite this, very few studies have considered the physiological response of tropical freshwater fish to thermal increase. In this thesis, I conducted a set of short-term acclimation experiments to quantify the thermal sensitivity of aerobic metabolism and swimming performance, and determine the critical thermal maximum of a well-studied tropical fish. Measuring metabolic and performance parameters in parallel across a wide thermal range allowed me to test a series of predictions of a conceptual framework (oxygen- and capacity-limited thermal tolerance, OCLTT). Pseudocrenilabrus multicolor victoriae Seegers, a small, widespread African cichlid, underwent short-term acclimation to ecologically relevant temperature increases, encompassing its natural ambient thermal environment and projected increase by the end of the century. Physiological trials were conducted using intermittent-flow resting and swimming respirometry as well as critical thermal tolerance methodology. In my first chapter, I measured resting metabolic rate (RMR) and critical oxygen tension (Pcrit), as well as critical thermal maximum (CTMax) of P. multicolor collected from Lake Kayanja, Uganda, a population living near the upper thermal range of the species. Fish were acclimated to 23, 26, 29 and 32 °C for three days for measures of RMR and Pcrit, and seven days for CTMax. Both RMR and Pcrit were higher in fish acclimated to 32 °C, indicating significant thermal stress at temperatures only slightly (~1 °C) above the natural thermal range of this population. However, CTMax increased in an approximately linear fashion with acclimation temperature indicating some degree of thermal compensation induced by short-term exposure to higher temperatures. In my second chapter, I performed a repeated-measures acclimation experiment with fish from two populations of P. multicolor, that occupy habitats characterized by different thermal regimes. Each fish was acclimated (seven days) and tested over a 24-34 °C range (2 °C intervals). I quantified effects of thermal increases on standard metabolic rate (SMR), maximal metabolic rate (MMR), net aerobic scope (ASnet), factorial aerobic scope (FAS), critical swim speed (Ucrit), and cost of transport at Ucrit (COTUcrit). Population effects were not significant, while temperature effects were significant for SMR, FAS, Ucrit, and COTUcrit. SMR increased between 24 and 32 °C, but decreased at 34 °C. MMR showed no change with elevated temperature; thus change in FAS was driven primarily by the SMR response. Ucrit was highest at the intermediate temperatures, whereas COTUcrit increased across the thermal range. Depression of SMR at 34 °C could potentially be an immediate stress response inducing hypometabolism that could facilitate persistence under thermal stress on the short-term. Some findings supported the OCLTT concept: MMR did not increase with temperature acclimation; FAS was driven primarily by changes in SMR; and Topt (estimated as the temperature where Ucrit was high and COTUcrit was low) corresponded to the first peak in FAS. However, FAS did not drive increased swim performance in the upper thermal range of the experiment, suggesting that oxygen consumption allocation was shifted from Ucrit to another aerobically-driven activity such as gill ventilation. Overall, these results emphasize the need for integrative studies that link aerobic capacity to performance metrics, and specifically indicate that elevated water temperatures can induce metabolic costs that may limit overall aerobic performance and whole-organism functioning of an equatorial freshwater fish." --
Heated Effluents And Effects On Aquatic Life With Emphasis On Fishes
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Author : Edward Cowden Raney
language : en
Publisher:
Release Date : 1969
Heated Effluents And Effects On Aquatic Life With Emphasis On Fishes written by Edward Cowden Raney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Aquatic animals categories.
Freshwater Aquaculture
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Author : Biplab Kumar Bandyopadhyay
language : en
Publisher: CRC Press
Release Date : 2022-06-01
Freshwater Aquaculture written by Biplab Kumar Bandyopadhyay and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.
Freshwater Aquaculture – the study of breeding, rearing and commercialization of organisms, fish in particular, which inhabit in fresh water. Even though there remains some fragmentary information regarding the history of development of aquaculture in India but those seem to be far from being complete. In the present communication, the same has been given elaborately. The book concentrates on the culture technology of commercially important fresh water fishes. Various types of culture techniques including Aquaponics, Bioflocs, Recirculatory Aquaculture Systems (RAS) apart from the conventional Cage culture, Pen culture, Integration of fish culture with other crops viz. paddy, vegetables, dairy, piggery, poultry etc. have been dispensed in detail. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Changes In The Body Temperature Of Fresh Water Fishes With Surroundings Of Lower Temperatures
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Author : Emily Stephan Dawson
language : en
Publisher:
Release Date : 1933
Changes In The Body Temperature Of Fresh Water Fishes With Surroundings Of Lower Temperatures written by Emily Stephan Dawson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with categories.
Fish Habitat In Freshwater Streams
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Author :
language : en
Publisher: UCANR Publications
Release Date :
Fish Habitat In Freshwater Streams written by and has been published by UCANR Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Biology And Physiology Of Freshwater Neotropical Fish
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Author : Bernardo Baldisserotto
language : en
Publisher: Academic Press
Release Date : 2019-11-09
Biology And Physiology Of Freshwater Neotropical Fish written by Bernardo Baldisserotto and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-09 with Nature categories.
Biology and Physiology of Freshwater Neotropical Fish is the all-inclusive guide to fish species prevalent in the neotropical realm. It provides the most updated systematics, classification, anatomical, behavioral, genetic, and functioning systems information on freshwater neotropical fish species. This book begins by analyzing the differences in phylogeny, anatomy, and behaviour of neotropical fish. Systems such as cardiovascular, respiratory, renal, digestive, reproductive, muscular, and endocrine are described in detail. This book also looks at the effects of stress on fish immune systems, and how color and pigmentation play into physiology and species differentiation. Biology and Physiology of Freshwater Neotropical Fish is a must-have for fish biologists and zoologists. Students in zoology, ichthyology, and fish farming will also find this book useful for its coverage of some of the world’s rarest and least-known fish species. Features chapters written by top neotropical fish researchers and specialists Discusses environmental effects on neotropical fishes, including climate change and pollution Details the phylogenetic occurrence of electroreceptors and electric organs in fish
Ecology Of Australian Freshwater Fishes
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Author : Paul Humphries
language : en
Publisher: CSIRO PUBLISHING
Release Date : 2013-04-10
Ecology Of Australian Freshwater Fishes written by Paul Humphries and has been published by CSIRO PUBLISHING this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-10 with Nature categories.
This edited volume reviews our past and present understanding of the ecology of Australian freshwater fishes. It compares patterns and processes in Australia with those on other continents, discusses the local relevance of ecological models from the northern hemisphere and considers how best to manage our species and their habitats in the face of current and future threats. In view of these challenges, the need for redress is urgent. The chapters are written by some of our foremost researchers and managers, developing themes that underpin our knowledge of the ecology, conservation and management of fish and fish habitats. For each theme, the authors formulate a synthesis of what is known, consider the need for new perspectives and identify gaps and opportunities for research, monitoring and management. The themes have an Australian context but draw upon ideas and principles developed by fish biologists in other parts of the world. The science of freshwater fish ecology in Australia has grown rapidly from its roots in natural history and taxonomy. This book offers an introduction for students, researchers and managers, one that the authors hope will carry Australian fish biology and resource management to new levels of understanding.
Fish Nutrition
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Author : John Halver
language : en
Publisher: Elsevier
Release Date : 2013-06-25
Fish Nutrition written by John Halver and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-25 with Technology & Engineering categories.
Fish Nutrition aims to present the state of knowledge of basic and applied nutritional requirements of fishes. Most of the information found in this book involves salmonids, their nutrition, and metabolism of nutrients. This is in view of the fact that more research has been done and completed with this fish. Although applied fish nutrition is a very broad field, this book focuses on some of its aspects. These include the classes of nutrients and requirements for several types of fishes. This book comprises of 11 chapters. The first few chapters deal with the general nutrient requirements of fishes. Then, other chapters discuss calorie and energy as well as micro- and macronutrient needs and requirements. The following chapters deal with the non-nutrient components of the diet, or those that influence the characteristics of food products including texture, odor, flavor, and color. Other topics covered are enzymes and systems of intermediary metabolism (Chapter 6); feed formulation and evaluation (Chapter 7); and salmonid husbandry techniques (Chapter 9). Nutritional fish diseases are also discussed in this book. Some of these diseases include thyroid tumor, gill disease, anemia, lipoid liver degeneration, and visceral granuloma. In Chapter 11, the relationship of nutrition and pathology is given emphasis. This chapter also tackles the diet and general fish husbandry. This topic is very important, because an adequate diet for fish husbandry is the foundation of fish farming.
The Progressive Fish Culturist
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Author : U.S. Fish and Wildlife Service
language : en
Publisher:
Release Date : 1957
The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Fish culture categories.