Eel Population And Solution Model
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Eel Population And Solution Model
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Author :
language : en
Publisher:
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Eel Population And Solution Model written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Eels And Humans
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Author : Katsumi Tsukamoto
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-10-29
Eels And Humans written by Katsumi Tsukamoto 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 2013-10-29 with Science categories.
This book explains much of what is known currently about freshwater eels, focusing on social and cultural aspects as well as science. A wealth of eel-related material is presented by scientists from around the world, including information on eel fishing, resources, distribution, aquaculture, economics, cuisine, environment and ecosystems, idioms, arts and crafts, tradition, legends, mythology, archaeology and even memorial services. Eels are important as food for humankind and are an interesting model for scientists studying animal migration and reproductive ecology. Their snake-like morphology differentiates them from most other fish, and their unpredictable behaviour that allows them to move over wet land and climb rocks adjacent to waterfalls attracts attention and evokes curiosity. Eels are therefore considered to be enigmatic creatures or metaphysical entities beyond human intelligence; indeed, they have been deified in parts of the world. In recent decades, however, with global populations of eels in sharp decline, some species face a real threat of extinction, and effective conservation strategies and measures are needed. Comparisons across these issues between various countries provide an image of a long-lasting relationship between eels and humankind, and encourage comprehensive and detailed understanding of eels from the perspectives of social, cultural and natural sciences. By promoting understanding of the close relationship between eels and humans, the broader public is engaged and public awareness of eel importance raised, helping to conserve these unique but endangered fish.
The Eel
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Author : Frederich W. Tesch
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
The Eel written by Frederich W. Tesch and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.
A strong demand for an English version of the third German Editionof this extremely important book paved the way for this excellentnew translation, which contains much new information from over 500publications, not covered by the previous English languageedition. The Eel is the standard work on the species with chaptersin the book covering body structure and functions, developmentalstages and distribution of the eel species, post-larval ecology andbehaviour, harvest and environmental relationships, fishingmethods, eel culture, diseases, parasites and bodily damage, theworld trade in eels and eel processing. Contributions are includedfrom several world authorities including new information concerninggenetic diversity in eel populations and the consequences for theirmanagement. Written by Friedrich-Wilhelm Tesch, one of the foremost worldauthorities on eels and carefully edited by Professor Thorpe, wellknown for his work in fish biology, writing and editing, TheEel is an essential purchase for all those working with thespecies, including fish biologists, physiologists and ecologists,aquatic and environmental scientists, fisheries managers and fishfarm personnel. Copies of this landmark publication should beavailable in the libraries of all research establishments anduniversities where these subjects are studied or taught. The Fisheries Society of the British Isles provided generousfinancial support enabling the translation and publication of thisbook. Written by F-W Tesch; Translated from the German Editionby R. J. White; Edited by J. E. Thorpe
Spawning Migration Of The European Eel
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Author : Guido van den Thillart
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-18
Spawning Migration Of The European Eel written by Guido van den Thillart 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 2008-12-18 with Science categories.
Freshwater eels are almost infinitely improbable creatures. They spawn and die in the middle of the ocean, often associated with undersea mountains. Their tra- parent, leaf-like larvae move with ocean currents for months or years until they approach the mouths of freshwater rivers. Then they undergo a dramatic transf- mation in morphology, physiology and behavior. They move from their planktonic oceanic environment, migrate upstream and live for several years as apex fre- water predators. Then, almost impossibly, as they become sexually mature, they reverse their migration downstream to the ocean and back to spawning grounds to complete their life cycle. The dramatic changes in their life cycles are incredible. The efforts to unravel the details of their life history have been truly daunting. Much of the past research was the work of dedicated individuals who devoted their lifetime research to these fishes. Freshwater eels merit a separate chapter in almost any textbook dealing with ichthyology, marine biology or animal migration. We know a great deal about some aspects of the biology of freshwater eels. However, our understanding of their bi- ogy still resembles a work of art as much as a work of science. To some it appears like the sweeping brush strokes of a Japanese Zen landscape, to others it resembles the work of a French impressionist, and to still others it appears as magic realism.
Eels Biology Monitoring Management Culture And Exploitation Proceedings Of The First International Eel Science Symposium
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Author : Andy Don
language : en
Publisher: 5m Books Ltd
Release Date : 2019-10-31
Eels Biology Monitoring Management Culture And Exploitation Proceedings Of The First International Eel Science Symposium written by Andy Don and has been published by 5m Books Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-31 with Technology & Engineering categories.
The freshwater eels, the Anguillids, have increasingly become the focus of attention for fisheries managers, scientists, researchers, policy makers, conservation bodies and other stakeholders. These species can be seen as a bellwether for issues affecting aquatic ecosystems – their steep decline and the management initiatives to try and reverse this trend, touch on subjects as diverse as disconnected waterways, loss of habitat, novel parasites, pollution, over-fishing and climate change. There are some 16 species of the Anguilla genus and all exhibit similar lifestyles, growing in waters often far-removed from their marine spawning grounds. These enigmatic, contradictory and confounding species share similar challenges and pressures wherever they are found. This book was generated from the 1st UK International Eel Science Symposium which was held at the Zoological Society of London (ZSL) in June 2017. Hosted by the Institute of Fisheries Management (IFM), the ZSL, and the Environment Agency (EA), the Symposium was heralded as a success, with over 180 delegates in attendance. Many of the world’s top eel specialists attended or gave presentations across a diverse range of subjects. This was one of the Symposium’s, and now the book’s great strengths – its diversity of subjects and authors. Many countries are represented within the book, from across Europe and as far afield as New Zealand, South Africa, Vanuatu, French Polynesia, Japan, Canada and the USA. The EA and IFM have collaborated to produce this landmark book which includes a mix of cultural, scientific and management information which will be invaluable to anyone with a professional or personal interest in these mysterious fish, including ichthyologists, fisheries scientists and managers, aquaculture personnel, environmental biologists and ecologists, marine and freshwater biologists, vertebrate zoologists, animal behaviourists and students studying in all these areas. Libraries in all universities and research establishments where these subjects are studied and taught should have copies on their shelves. 5m Books
Eel Biology
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Author : K. Aida
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Eel Biology written by K. Aida 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.
As a food resource in both Eastern and Western countries, the eel is an important fish. Over the years, remarkable progress has been achieved in understanding the mysterious life cycle of eels that has fascinated scientists since the age of Aristotle. The spawning area of the Japanese eel was discovered and the migratory route of its larvae was elucidated. With the development of techniques for artificial induction of gonadal maturation, it became possible to obtain hatched larvae. Larval rearing to the leptocephalus stage, one of the most difficult tasks involved in eel culture, finally was achieved. By presenting these important breakthroughs, Eel Biology will be of great help in the development of effective management strategies for maintaining stable eel populations. With contributions by leading experts, this book is a valuable source for researchers as well as industry technicians in the fields of aquatic biology, aquaculture, and fisheries.
The Solution Of The Eel Question
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Author : Carl H. Eigenmann
language : en
Publisher:
Release Date : 1902
The Solution Of The Eel Question written by Carl H. Eigenmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1902 with categories.
Hybrid Solutions For The Modelling Of Complex Environmental Systems
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Author : Christian E. Vincenot
language : en
Publisher: Frontiers Media SA
Release Date : 2017-01-11
Hybrid Solutions For The Modelling Of Complex Environmental Systems written by Christian E. Vincenot and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-11 with categories.
Systems studied in environmental science, due to their structure and the heterogeneity of the entities composing them, often exhibit complex dynamics that can only be captured by hybrid modeling approaches. While several concurrent definitions of “hybrid modeling” can be found in the literature, it is defined here broadly as the approach consisting in coupling existing modelling paradigms to achieve a more accurate or efficient representation of systems. The need for hybrid models generally arises from the necessity to overcome the limitation of a single modeling technique in terms of structural flexibility, capabilities, or computational efficiency. This book brings together experts in the field of hybrid modelling to demonstrate how this approach can address the challenge of representing the complexity of natural systems. Chapters cover applied examples as well as modeling methodology.
Objective Ncert Based Chapterwise Topicwise Solutions For 11th And 12th Class With Solved Papers 2005 2023 With Notes For Neet Aiims Exam 2024 Biology
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Author : Mamta Mehrotra
language : en
Publisher: Prabhat Prakashan
Release Date : 2023-07-14
Objective Ncert Based Chapterwise Topicwise Solutions For 11th And 12th Class With Solved Papers 2005 2023 With Notes For Neet Aiims Exam 2024 Biology written by Mamta Mehrotra and has been published by Prabhat Prakashan this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-14 with Study Aids categories.
Objective NCERT From Prabhat Exam is an unparallel book designed on the complete syllabus of 11th and 12th NCERT textbook. It is the leading choice of Toppers and the pinnacle for NEET exam along with NCERT. This book is a must for NEET/BOARDS/CUET as it has questions extracted from each and every line of the NCERT textbook. Extra Notes are added from experts to make it more understandable Chapter-wise NCERT notes for quick yet thorough & impactful revisions. Tabular texts & Illustrative diagrams in HD pages for understanding. NCERT Based Topic-wise MCQs from each of NCERT to get firm grip on concepts. NCERT Exemplar Problem MCQs to develop a strong base & go in-depth. Assertion Reason, Case Based Questions & HOTS to cover all question typologies. Exam Archive including Previous years’ NEET & other PMT exam’s questions. Practice Papers & Model Test Papers to put final practice touch to your preparation. 5 Mock Test to Make you an experienced player Answer keys, hints and explanations are also added in the book for micro-level understanding.
Fish Ecology Evolution And Exploitation
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Author : Ken H. Andersen
language : en
Publisher: Princeton University Press
Release Date : 2019-07-16
Fish Ecology Evolution And Exploitation written by Ken H. Andersen and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-16 with Nature categories.
Fish are one of the most important global food sources, supplying a significant share of the world’s protein consumption. From stocks of wild Alaskan salmon and North Sea cod to entire fish communities with myriad species, fisheries require careful management to ensure that stocks remain productive, and mathematical models are essential tools for doing so. Fish Ecology, Evolution, and Exploitation is an authoritative introduction to the modern size- and trait-based approach to fish populations and communities. Ken Andersen covers the theoretical foundations, mathematical formulations, and real-world applications of this powerful new modeling method, which is grounded in the latest ecological theory and population biology. He begins with fundamental assumptions on the level of individuals and goes on to cover population demography and fisheries impact assessments. He shows how size- and trait-based models shed new light on familiar fisheries concepts such as maximum sustainable yield and fisheries selectivity—insights that classic age-based theory can’t provide—and develops novel evolutionary impacts of fishing. Andersen extends the theory to entire fish communities and uses it to support the ecosystem approach to fisheries management, and forges critical links between trait-based methods and evolutionary ecology. Accessible to ecologists with a basic quantitative background, this incisive book unifies the thinking in ecology and fisheries science and is an indispensable reference for anyone seeking to apply size- and trait-based models to fish demography, fisheries impact assessments, and fish evolutionary ecology.