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Author: T Pandian
Publisher: Elsevier
ISBN: 0323144063
Category : Science
Languages : en
Pages : 646
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Book Description
Animal Energetics, Volume 2: Bivalvia through Reptilia is part of a two-volume treatise focusing on the integrated picture of the energy transformation process at the organismic level. Since it is almost impossible to restrict meaningful discussions to only one level of organization, some reference is made to population energetics as well as to the suborganismic level. The bioenergetics of both vertebrate and invertebrate groups are discussed. Specifically, the bioenergetics of bivalves, gastropods, bryozoans, pogonophorans, echinoderms, lower chordates, fishes, amphibians, and reptiles are covered. Understanding the efficient and fast transformation of biological energy has become an important issue in world affairs; studies on energetics and growth of thermoconformers can therefore be expected to expand greatly in the future. This book aims to provide many keys to a broader understanding of biology as well as open untrodden avenues to biologists with the quest for newer energy sources and efficient methods of energy utilization.
Author: T Pandian
Publisher: Elsevier
ISBN: 0323144063
Category : Science
Languages : en
Pages : 646
Get Book Here
Book Description
Animal Energetics, Volume 2: Bivalvia through Reptilia is part of a two-volume treatise focusing on the integrated picture of the energy transformation process at the organismic level. Since it is almost impossible to restrict meaningful discussions to only one level of organization, some reference is made to population energetics as well as to the suborganismic level. The bioenergetics of both vertebrate and invertebrate groups are discussed. Specifically, the bioenergetics of bivalves, gastropods, bryozoans, pogonophorans, echinoderms, lower chordates, fishes, amphibians, and reptiles are covered. Understanding the efficient and fast transformation of biological energy has become an important issue in world affairs; studies on energetics and growth of thermoconformers can therefore be expected to expand greatly in the future. This book aims to provide many keys to a broader understanding of biology as well as open untrodden avenues to biologists with the quest for newer energy sources and efficient methods of energy utilization.
Author:
Publisher: DIANE Publishing
ISBN: 1428900659
Category :
Languages : en
Pages : 155
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Book Description
Author: Michael Warburg
Publisher: Springer Science & Business Media
ISBN: 3642603572
Category : Science
Languages : en
Pages : 194
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Book Description
A description of the structural and functional adaptations of the key organs such as skin, kidneys, bladder, lungs and ovaries, with special emphasis placed on physiological adaptations: water, electrolyte, nitrogen, and thermal balance and their endocrine control. One whole chapter devoted to ecological aspects covers such exciting topics as development and metamorphosis, larval competition for food resources, and reproductive strategies.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1060
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Book Description
First multi-year cumulation covers six years: 1965-70.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1068
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Book Description
Author: T. J. Pandian
Publisher: CRC Press
ISBN: 1000405605
Category : Nature
Languages : en
Pages : 346
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Book Description
This book represents the first attempt to quantify environmental factors and life history traits that accelerate or decelerate species diversity in animals. About 15%, 8% and 77% of species are distributed in marine (70% of earth’s surface), freshwater (terra firma fosters more diversity. The harsh hadal, desert and elevated montane habitats restrict diversity to 0.5-4.2%. Costing more time and energy, osmotrophic and suspension modes of food acquisition limit diversity to Selfing hermaphrodites (0.9%), parthenogens ( Incidence of heterogamety is four-times more in males than in females. Hence, evolution is more a male-driven process. Egg size is determined by environmental factors, but lecithality is genetically fixed. In poikilotherms, sex is also determined by gene(s), but differentiation by environmental factors. The extra-ovarian vitellogenesis (> 96%), spermatozoan (81%) rather than spermatophore mechanism of sperm transfer, promiscuity and polygamy over monogamy, iteroparity (99.6%) over semelparity and internal fertilization (84%) are preferred, as they accelerate diversity. Body size and egg size determine fecundity. Indirect life cycle (82%) and incorporation of feeding larval stages accelerate diversity. Brooding and viviparity (6.4%) decelerate it. Parasitism extends life span and liberates fecundity from eutelism. Evolution is an ongoing process, and speciation and extinction are its unavoidable by-products. The in-built conservation mechanism of reviving life after a sleeping duration has been reduced from a few million years in microbial spores to a few thousand years in plant seeds and a few hundred years in dormant eggs in animals. Hence, animal conservation requires priority. The existence of temperature-resistant/insensitive individuals, strains and species shall flourish during the ongoing global warming and earth shall continue with such burgeoning species, hopefully inclusive of man.
Author: John M. Lawrence
Publisher: Elsevier
ISBN: 0080465587
Category : Technology & Engineering
Languages : en
Pages : 557
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Book Description
Sea urchins are a major component of the world ocean. They are important ecologically and often greatly affect marine communities. They have an excellent fossil record and consequently are of interest to paleontologists. Research has increased in recent years stimulated first by a recognition of their ecological importance and then because of their economic importance. Scientists around the world are actively investigating their potential for aquaculture. This book is designed to provide a broad understanding of the biology and ecology of sea urchins. Synthetic chapters consider biology of sea urchins as a whole to give a broad view. The topics of these chapters include reproduction, metabolism, endocrinology, larval ecology, growth, digestion, carotenoids, disease and nutrition. Subsequent chapters consider the ecology of individual species that are of major importance ecologically and economically. These include species from Japan, New Zealand, Australia, Europe, North America, South America and Africa. * First comprehensive book devoted to the biology and ecology of sea urchins* NEW chapter on Nutrition of Sea Urchins and Ecology of Diadema* Brand NEW illustrations* Hot NEW topic: Immunology of the Sea Urchin* Chapters written by internationally recognized experts* Each chapter revised and updated from the first edition* Biological chapters include reproduction, endocrinology, carotenoids and disease* Ecological chapters include species of major economic interest for fisheries and aquaculture
Author: Elizabeth Gosling
Publisher: John Wiley & Sons
ISBN: 1119045223
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
Marine Bivalve Molluscs is a comprehensive and thoroughlyupdated second edition of Bivalve Molluscs, covering allmajor aspects of this important class of invertebrates. As well asbeing an important class biologically and ecologically, many of thebivalves are fished and cultured commercially (e.g. mussels,oysters, scallops and clams) in a multi-billion dollar worldwideindustry. Elizabeth Gosling has written a landmark book that will stand formany years as the standard work on the subject. Chapters inMarine Bivalve Molluscs cover morphology, ecology, feeding,reproduction, settlement and recruitment, growth, physiology,fisheries, aquaculture, genetics, diseases and parasites, andpublic health issues. A full understanding of many of these aspectsis vital for all those working in bivalve fisheries andculture. An essential purchase for anyone concerned with this importantclass of animals, copies of Marine Bivalve Molluscs shouldbe on the shelves of biologists, ecologists, environmentalscientists, fisheries scientists and personnel within theaquaculture industry. Copies of the book should be available in alllibraries and research establishments where these subjects arestudied or taught. Reviews of the First Edition • An admirable achievement... a valuable addition to marinesciences libraries everywhere. The back cover of this book saysthat it is a landmark text that will stand for many years as thestandard work on this subject. I can only agree with thissentiment. Aquaculture • A welcome addition to the literature and provides thereader with a comprehensive overview of biological andenvironmental factors that affect and control both naturalpopulations of marine bivalves and culture operations.Aquaculture International • The author has done an admirable job in compiling a wealthof information into a readable text. Transactions of theAmerican Fisheries Society • Will serve well as a description of much of both theexperimental biology and the aquaculture of bivalves. Journal ofExperimental Marine Biology and Ecology • Provides excellent reviews of all major aspects…anextremely important reference for anyone engaged in bivalveresearch, fisheries management, and aquaculture. QuarterlyReview of Biology • The book is very readable, in an easy style. It is wellillustrated and there is a wealth of data and statistics presented.Bulletin of The Malacological Society of London
Author: Stuart Sumida
Publisher: Elsevier
ISBN: 0080527094
Category : Science
Languages : en
Pages : 521
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Book Description
Amniote Origins integrates modern systematic methods with studies of functional and physiological processes, and illustrates how studies of paleobiology can be illuminated by studies of neonatology. For this reason, comparative anatomists and physiologists, functional morphologists, zoologists, and paleontologists will all find this unique volume very useful. Inspired by the prospect of integrating fields that have long been isolated from one another, Amniote Origins provides a thorough and interdisciplinary synthesis of one of the classic transitions of evolutionary history. - Integrates modern systematic methods with studies of functional and physiological processes - Illustrates how studies of paleobiology can be illuminated by studies of neonatology - Provides a thorough and interdisciplinary synthesis of one of the classic transitions of evolutionary history
Author: Brian Morton
Publisher: Hong Kong University Press
ISBN: 9622095003
Category : Science
Languages : en
Pages : 241
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Book Description
Asian Marine Biology 15, the most recent volume, contains 12 papers on such topics as the hydrography and rock oysters on Hong Kong stores, El Nino, the behaviour of starfish in Japan and new species of animals from Asia.
