Diel Vertical Migration Of Zooplankton In Lakes And Oceans
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Diel Vertical Migration Of Zooplankton In Lakes And Oceans
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Author : Joop Ringelberg
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-12-01
Diel Vertical Migration Of Zooplankton In Lakes And Oceans written by Joop Ringelberg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-01 with Science categories.
Whatever theory may be advanced to explain diurnal migration, the underlying reactions involved must be demonstrated conc- sively in the laboratory before the explanation can be ?nally accepted George L. Clarke 1933 p. 434 In oceans and lakes, zooplankton often make diel vertical migrations (DVM), descending at dawn and coming up again in late afternoon and evening. The small animals cover distances of 10–40 m in lakes or even a few hundred metres in the open oceans. Although not as spectacular as migrations of birds or the massive movements of large mammals over the African savannas, the numbers involved are very large and the biomass exceed the bulk of the African herds. For example, in the Antarctic oceans swarms of “Krill” may cover kilometres across, with thousands of individuals per cubic metre. These Euphausiids are food for whales, the most bulky animals on earth. Zooplankton are key species in the pelagic food web, intermediary between algae and ?sh, and thus essential for the functioning of the pelagic community. Prey for many, they have evolved diverse strategies of survival and DVM is the most imp- tant one. Most ?sh are visually hunting predators and need a high light intensity to detect the often transparent animals. By moving down, the well-lit surface layers are avoided but they have to come up again at night to feed on algae.
Diel Vertical Migration Of Zooplankton In Lakes And Oceans
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Author : Joop Ringelberg
language : en
Publisher: Springer
Release Date : 2010-04-18
Diel Vertical Migration Of Zooplankton In Lakes And Oceans written by Joop Ringelberg and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-18 with categories.
This is the first critical discussion on Diel Vertical Migration of zooplankton in oceans and lakes in 100 years of research. The focus is on photo-response experiments that revealed the physiological fundament unifying migration behavior in both biotypes.
Limnology In Australia
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Author : P. de Deckker
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Limnology In Australia written by P. de Deckker and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Australia is the world's driest inhabited continent. Water is our limiting resource. It might therefore be thought that our water resources would be the subject of the most intensive study. Certain aspects, it must be conceded, have received much attention, notably the availability of water in terms of actual quantity. The size of the surface water and the groundwater resource is well understood and indeed receives about as much study as can reasonably be expected in a country with as sparse a population and level of scientific manpower as ours. Although the importance of understanding the water resource in terms of quantity is widely accepted, what has not been generally appreciated is that for this resource to be 'available' to human society for all the different uses to which it is put, it is not sufficient that there exists within easy reach of the end users a certain total volume of water. For that water to fulfil its functions-for agriculture, industry, the home, recreation, biological conservation-it must be in a certain state: it must conform to certain chemical, physical and biological criteria, and what has not been sufficiently appreciated in Australian society is that the condition a water is in depends very much on the ecology of the waterbody in which it resides. There are waterbodies in the world, for example high-altitude glacial lakes, which are naturally so pristine that their water could be used for any purpose without treatment.
The Trophic Cascade In Lakes
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Author : Stephen R. Carpenter
language : en
Publisher: Cambridge University Press
Release Date : 1996-07-13
The Trophic Cascade In Lakes written by Stephen R. Carpenter and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-07-13 with Nature categories.
This 1993 book documents the importance of trophic cascades in aquatic ecology.
Ices Zooplankton Methodology Manual
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Author : Roger Harris
language : en
Publisher: Elsevier
Release Date : 2000-02-14
Ices Zooplankton Methodology Manual written by Roger Harris and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-02-14 with Science categories.
The term "zooplankton" describes the community of floating, often microscopic, animals that inhabit aquatic environments. Being near the base of the food chain, they serve as food for larger animals, such as fish. The ICES (International Council for the Exploration of the Sea) Zooplankton Methodology Manual provides comprehensive coverage of modern techniques in zooplankton ecology written by a group of international experts. Chapters include sampling, acoustic and optical methods, estimation of feeding, growth, reproduction and metabolism, and up-to-date treatment of population genetics and modeling. This book will be a key reference work for marine scientists throughout the world. Sampling and experimental design Collecting zooplankton Techniques for assessing biomass and abundance Protozooplankton enumeration and biomass estimation New optical and acoustic techniques for estimating zooplankton biomass and abundance Methods for measuring zooplankton feeding, growth, reproduction and metabolism Population genetic analysis of zooplankton Modelling zooplankton dynamics This unique and comprehensive reference work will be essential reading for marine and freshwater research scientists and graduates entering the field.
Mathematical Modeling And Supercomputer Technologies
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Author : Dmitry Balandin
language : en
Publisher: Springer Nature
Release Date : 2021-06-23
Mathematical Modeling And Supercomputer Technologies written by Dmitry Balandin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-23 with Computers categories.
This book constitutes selected and revised papers from the 20th International Conference on Mathematical Modeling and Supercomputer Technologies, MMST 2020, held in Nizhny Novgorod, Russia, in November 2020. Due to the COVID-19 pandemic the conference was held online. The 25 full papers and 8 short papers presented in the volume were thoroughly reviewed and selected from the 106 submissions. They are organized in topical secions on computational methods for mathematical models analysis; computation in optimization and optimal control; supercomputer simulation.
Biological Oceanography An Introduction
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Author : Carol Lalli
language : en
Publisher: Elsevier
Release Date : 1997-04-10
Biological Oceanography An Introduction written by Carol Lalli and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-10 with Science categories.
This popular undergraduate textbook offers students a firm grounding in the fundamentals of biological oceanography. As well as a clear and accessible text, learning is enhanced with numerous illustrations including a colour section, thorough chapter summaries, and questions with answers and comments at the back of the book. The comprehensive coverage of this book encompasses the properties of seawater which affect life in the ocean, classification of marine environments and organisms, phytoplankton and zooplankton, marine food webs, larger marine animals (marine mammals, seabirds and fish), life on the seafloor, and the way in which humans affect marine ecosystems. The second edition has been thoroughly updated, including much data available for the first time in a book at this level. There is also a new chapter on human impacts - from harvesting vast amounts of fish, pollution, and deliberately or accidentally transferring marine organisms to new environments. This book complements the Open University Oceanography Series, also published by Butterworth-Heinemann, and is a set text for the Open University third level course, S330. A leading undergraduate text New chapter on human impacts - a highly topical subject Expanded colour plate section
Physiology And Ecology Of Fish Migration
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Author : Hiroshi Ueda
language : en
Publisher: CRC Press
Release Date : 2013-08-07
Physiology And Ecology Of Fish Migration written by Hiroshi Ueda and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-07 with Nature categories.
Among the roughly 30,000 species of fish, migratory species account for only 165 species, but most of them are very important fisheries resources. This book presents up-to-date innovative research results on the physiology and ecology of fish migration. It focuses on salmon, eels, lampreys, and bluefin tuna. The book examines migratory behavior, sp
Life Histories
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Author : Martin Thiel
language : en
Publisher: Oxford University Press
Release Date : 2018-05-22
Life Histories written by Martin Thiel and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-22 with Science categories.
Crustaceans are increasingly being used as model organisms in all fields of biology, including neurobiology, developmental biology, animal physiology, evolutionary ecology, biogeography, and resource management. Crustaceans have a very wide range of phenotypes and inhabit a diverse array of environments, ranging from the deep sea to high mountain lakes and even deserts. The evolution of their life histories has permitted crustaceans to successfully colonize this variety of habitats. Few other taxa exhibit such a variety of life histories and behavior. A comprehensive overview of their life histories is essential to the understanding of many aspects of their success in marine and terrestrial environments. This volume provides a general overview of crustacean life histories. Crustaceans have particular life history adaptations that have permitted them to conquer all environments on earth. Crustacean life cycles have evolved to maximize fecundity, growth, and ageing, in a wide range of environmental conditions. Individual contributions contrast benefits and costs of different life histories including sexual versus asexual production, semelparity versus iteroparity, and planktonic larvae versus direct development. Important aspects of particular behaviors are presented (e.g. migrations, defense and territorial behaviors, anti-predator behavior, symbiosis).
Life Histories
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Author : Gary A. Wellborn
language : en
Publisher: Oxford University Press
Release Date : 2018
Life Histories written by Gary A. Wellborn and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Science categories.
Crustaceans are increasingly used as model organisms in all fields of biology, as few other taxa exhibit such a variety of body shapes and adaptations to particular habitats and environmental conditions. Life Histories is the fifth volume in The Natural History of the Crustacea series. An understanding of life histories is crucial to understanding the biology of this fascinating invertebrate group. Written by internationally recognized experts studying a wide range of crustacean taxa and topics, this volume synthesizes current research in a format that is accessible to a wide scientific audien.