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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences

The Entomological Cabinet; Being a Natural History of British Insects - With Plates Illustrative of the Principal Families and... The Entomological Cabinet; Being a Natural History of British Insects - With Plates Illustrative of the Principal Families and Genera (Hardcover)
George Samouelle
R1,148 Discovery Miles 11 480 Ships in 10 - 15 working days
Hormones and Reproduction of Vertebrates, Volume 4 - Birds (Hardcover, 4th edition): David O. Norris, Kristin H. Lopez Hormones and Reproduction of Vertebrates, Volume 4 - Birds (Hardcover, 4th edition)
David O. Norris, Kristin H. Lopez
R2,974 Discovery Miles 29 740 Ships in 10 - 15 working days

This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided.
*A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research.
*Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction.
*Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all.
*Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them.

Hormones and Reproduction of Vertebrates, Volume 2 - Amphibians (Hardcover, 2nd edition): David O. Norris, Kristin H. Lopez Hormones and Reproduction of Vertebrates, Volume 2 - Amphibians (Hardcover, 2nd edition)
David O. Norris, Kristin H. Lopez
R2,783 Discovery Miles 27 830 Ships in 10 - 15 working days

This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided.
*A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research.
*Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction.
*Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all.
*Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them.

Behavioral Ecology of Tropical Animals, Volume 42 (Hardcover, 42nd edition): Regina Macedo Behavioral Ecology of Tropical Animals, Volume 42 (Hardcover, 42nd edition)
Regina Macedo
R3,572 Discovery Miles 35 720 Ships in 10 - 15 working days

"Advances in the Study of Behavior" was initiated over 40 years ago to serve the increasing number of scientists engaged in the study of animal behavior. That number is still expanding. This thematic volume makes another important "contribution to the development of the field" by bringing together material that aggregates studies conducted on the behavior of tropical animals. "Advances in the Study of Behavior" is now available online at ScienceDirect - full-text online from volume 30 onward.

Ducks, Geese and Turkeys (Hardcover): Edward 1851-1939 Brown Ducks, Geese and Turkeys (Hardcover)
Edward 1851-1939 Brown
R771 Discovery Miles 7 710 Ships in 18 - 22 working days
Atlas of Marine Invertebrate Larvae (Paperback, 2nd edition): Craig M. Young, Mary A. Sewell, Michael J Boyle Atlas of Marine Invertebrate Larvae (Paperback, 2nd edition)
Craig M. Young, Mary A. Sewell, Michael J Boyle
R4,267 R3,505 Discovery Miles 35 050 Save R762 (18%) Ships in 10 - 15 working days

Atlas of Marine Invertebrate Larvae, Second Edition covers the origins and history of marine larval science, contemporary state-of-the-art approaches to larval development and biology, and the highest-quality images and schematics showing the broadest diversity of marine larvae in the animal tree of life. This book illustrates larval body plans, the anatomy of their organ systems (muscular, sensory, digestive), including distinct ciliation patterns that facilitate swimming, and the complex metamorphic changes they undergo between different larval and growth stages. Each chapter contains in-text references that direct readers to both historical and contemporary research on the forms, functions, behaviors and biogeographical distributions of marine larvae.This book is a valuable and foundational resource for biologists across various disciplines, including biodiversity, biogeography, and developmental biology. Ecologists, taxonomists, oceanographers, and environmental scientists also benefit from the complete coverage of marine larval forms offered by this book. Additionally, the broad scope and phyletic coverage of marine biodiversity presented in this atlas is ideal for students in oceanography and marine biology, animal development, biological oceanography and invertebrate zoology.

Fish Physiology: The Multifunctional Gut of Fish, Volume 30 (Hardcover): Martin Grosell, Anthony P. Farrell, Colin J. Brauner Fish Physiology: The Multifunctional Gut of Fish, Volume 30 (Hardcover)
Martin Grosell, Anthony P. Farrell, Colin J. Brauner
R2,238 Discovery Miles 22 380 Ships in 10 - 15 working days

"The" "Multifunctional Gut of Fish" provides a comprehensive synthesis and an integrative overview of the range of gut functions and their implications for organismal physiology. The highly diversified anatomy and functions of the gut, including nutrient uptake, immune barrier function, salt and water homeostasis and respiration, as well as neuroendocrine actions and control are covered in detail by leading authors. In addition, this volume explores the pronounced implications of gut function for whole animal integrative physiology and compensatory demands for non-gastrointestinal organs. As the first comprehensive reference to discuss the diverse morphological and functional adaptations of the gut, this volume provides an excellent resource for comparative physiologists, aquaculturists and biomedical researchers employing fish as model organisms for mammalian physiology.

Includes chapters dedicated to anatomical and functional features of the gastro-intestinal tract of fish as well as integrative aspects of gut organ function.

Includes in depth coverage of recently recognized implications of feeding on salt homeostasis and acid-base balance.

Provides syntheses of implications of gut function for homeostasis.

Essential text for those interested in the wide diversity of functions performed by the gut.

Dinosaurs are Collectible - Digging for Dinosaurs: the Art, the Science (Hardcover): Thijs Demeulemeester, Koen Stein Dinosaurs are Collectible - Digging for Dinosaurs: the Art, the Science (Hardcover)
Thijs Demeulemeester, Koen Stein
R1,039 R857 Discovery Miles 8 570 Save R182 (18%) Ships in 10 - 15 working days

Dinosaur skeletons, eggs, bones, and fossils have become increasingly coveted objects for collectors. Dinosaurs are Collectible explores the reasons for their popularity and tells the stories behind the many illustrious finds from the past. This beautifully illustrated and printed publication by the author of Wonders are Collectible and Wunderkammer includes a chapter devoted to dinosaurs in both high and popular culture, and features an exceptional collection of prints, photos, drawings, and micrograph scans.

Fish Physiology: Zebrafish, Volume 29 (Hardcover): Steve F. Perry, Marc Ekker, Anthony P. Farrell, Colin J. Brauner Fish Physiology: Zebrafish, Volume 29 (Hardcover)
Steve F. Perry, Marc Ekker, Anthony P. Farrell, Colin J. Brauner
R2,682 R2,509 Discovery Miles 25 090 Save R173 (6%) Ships in 10 - 15 working days

This cutting-edge resource includes up-to-date information on zebrafish physiology and the tools used to study it, not only as a model species for studies of other vertebrates but with application for studies of human disease and aquatic toxicology. The utility of zebrafish for physiological research is based on several key features including i) a "fully" sequenced genome, ii) rapid ( 3 month) generation times), iii) their capacity to produce large numbers of externally fertilized eggs, iv) optical transparency of embryos and larvae, and v) the applicability of reverse and forward genetics to assess gene function. Gene knockdown in embryos and the production of transgenic strains are now standard techniques being used to assess physiology. This book will be of keen interest not only to the typical readers of Fish Physiology but also to biomedical researchers, toxicologists and developmental biologists.

Key Features
* Integrates and synthesizes the biology of the zebrafish under one cover
* Features contributions from the leading researchers in their fields
* Reaches a wider audience of researchers and biologists with its broad inclusion of subjects relating to zebrafish physiology

Understanding Invertebrates (Hardcover): Amita Sarkar Understanding Invertebrates (Hardcover)
Amita Sarkar
R2,628 Discovery Miles 26 280 Ships in 18 - 22 working days
Advanced Bee-culture - Methods and Management (Hardcover): William Z 1851- Hutchinson Advanced Bee-culture - Methods and Management (Hardcover)
William Z 1851- Hutchinson
R762 Discovery Miles 7 620 Ships in 18 - 22 working days
Forest Spiders of South East Asia - With a revision of the sac and ground spiders (Araneae: Clubionidae, Corinnidae,... Forest Spiders of South East Asia - With a revision of the sac and ground spiders (Araneae: Clubionidae, Corinnidae, Liocranidae, Gnaphosidae, Prodidomidae and Trochanteriidae) (Hardcover)
Christa L. Deeleman-Reinhold
R5,529 Discovery Miles 55 290 Ships in 18 - 22 working days

Forest Spiders of South East Asia offers the first comprehensive systematic account of all sac and ground spiders of South East Asia, which together constitute an estimated 12% of all spiders in the region. All ten subfamilies, 57 genera and numerous species of the region are defined, described, and illustrated. One new subfamily and a large number of new genera and species are described and named. Several hundreds additional, described and new, species are referred to. Distribution of all species covered in this volume is shown in 50 maps. More than a thousand line drawings and 16 colour photographs are used to illustrate the descriptions of the species, of which the great majority has never been illustrated before.
The book provides a modern revision of all sac and ground spiders with clear illustrated diagnosis and descriptions of all known members of this group and many new species and genera. Identification of all 47 families occurring in the region is illustrated in beautiful and detailed drawings.

Guide to Techniques in Mouse Development, Part A - Mice, Embryos, and Cells (Paperback, 2nd Ed.): Paul Wassarman, Philippe M.... Guide to Techniques in Mouse Development, Part A - Mice, Embryos, and Cells (Paperback, 2nd Ed.)
Paul Wassarman, Philippe M. Soriano
R1,765 Discovery Miles 17 650 Ships in 10 - 15 working days

This volume comprehensively covers new technologies and methodologies that have appeared for the study of mouse development.

This volume is the first of a 2 part update of volume 225, "Guide to Techniques in Mouse Development," edited by P.M. Wassarman and M.L. DePamphilis and published in 1993.

Comprehensively covers new techniques for the cryopreservation of gametes and embryos, production of transgenic and null (knockout) animals (use of ES cells), generation of conditional/inducible mutant animals, use of gene-trap mutagenesis, analysis of allele-specific expression, use of new reporter constructs, humanizing of transgenic animals, transcript profiling of mouse development, imaging of mouse development, and rederivation of animals and use of mouse genomics.

Guide to Techniques in Mouse Development, Part B - Mouse Molecular Genetics (Paperback, 2): Paul Wassarman, Philippe M. Soriano Guide to Techniques in Mouse Development, Part B - Mouse Molecular Genetics (Paperback, 2)
Paul Wassarman, Philippe M. Soriano
R1,776 Discovery Miles 17 760 Ships in 10 - 15 working days

Guide to Techniques in Mouse Development, Part B, is an authoritative guide to different methods used in enzymology, focusing on investigating mouse development using technological advances. The text provides information regarding the principles of the methods in mouse development, and it offers readers reliable experimental protocols and recipes described comprehensively by leaders in the field of enzymology. The text is divided into three sections and organized into 25 chapters. Below are several concepts covered by the text: Lentivirus transgenesis o Germline modification using mouse stem cells Electroporation Applications of transposons in mouse genetics Functional genomics using transposon systems The use of DNA transposons in detecting cancer genes in mice Recombination, conditional mutagenesis and induction of tamoxifen Genetic fate mapping using recombinases Genetic screens mouse ES cells Gene trap mutagenesis Mouse mutagenesis Self- renewal and pluripotency Transgenic RNAi applications Gene knockdowns Tetracycline-controlled transcription Gene expression profiling of mouse embryos The book is a comprehensive guide for students and professionals in genetics, cytology and molecular biology, who will find this book invaluable for their learning and practice.

Mathematical Models in Population Biology and Epidemiology (Hardcover, 2nd ed. 2012): Fred Brauer, Carlos Castillo-Chavez Mathematical Models in Population Biology and Epidemiology (Hardcover, 2nd ed. 2012)
Fred Brauer, Carlos Castillo-Chavez
R2,518 Discovery Miles 25 180 Ships in 18 - 22 working days

The goal of this book is to search for a balance between simple and analyzable models and unsolvable models which are capable of addressing important questions on population biology. Part I focusses on single species simple models including those which have been used to predict the growth of human and animal population in the past. Single population models are, in some sense, the building blocks of more realistic models -- the subject of Part II. Their role is fundamental to the study of ecological and demographic processes including the role of population structure and spatial heterogeneity -- the subject of Part III. This book, which will include both examples and exercises, is of use to practitioners, graduate students, and scientists working in the field.

Evolutionary Biomechanics (Hardcover, New): Graham Taylor, Adrian Thomas Evolutionary Biomechanics (Hardcover, New)
Graham Taylor, Adrian Thomas
R2,866 Discovery Miles 28 660 Ships in 10 - 15 working days

Evolutionary biomechanics is the study of evolution through the analysis of biomechanical systems. Its unique advantage is the precision with which physical constraints and performance can be predicted from first principles. Instead of reviewing the entire breadth of the biomechanical literature, a few key examples are explored in depth as vehicles for discussing fundamental concepts, analytical techniques, and evolutionary theory. Each chapter develops a conceptual theme, developing the underlying theory and techniques required for analyses in evolutionary biomechanics. Examples from terrestrial biomechanics, metabolic scaling, and bird flight are used to analyse how physics constrains the design space that natural selection is free to explore, and how adaptive evolution finds solutions to the trade-offs between multiple complex conflicting performance objectives. Evolutionary Biomechanics is suitable for graduate level students and professional researchers in the fields of biomechanics, physiology, evolutionary biology and palaeontology. It will also be of relevance and use to researchers in the physical sciences and engineering.

Animal Models of Acute Neurological Injuries II - Injury and Mechanistic Assessments, Volume 2 (Hardcover, 2012 ed.): Junchen,... Animal Models of Acute Neurological Injuries II - Injury and Mechanistic Assessments, Volume 2 (Hardcover, 2012 ed.)
Junchen, Xiao-Ming Xu, Zao C. Xu, John H. Zhang
R4,212 Discovery Miles 42 120 Ships in 18 - 22 working days

The successful previous volume on this topic provided a detailed benchwork manual for the most commonly used animal models of acute neurological injuries including cerebral ischemia, hemorrhage, vasospasm, and traumatic brain and spinal cord injuries. Animal Models of Acute Neurological Injuries II: Injury and Mechanistic Assessments aims to collect chapters on assessing these disorders from cells and molecules to behavior and imaging. These comprehensive assessments are the key for understanding disease mechanisms as well as developing novel therapeutic strategies to ameliorate or even prevent damages to the nervous system. Volume 2 examines global cerebral ischemia, focal cerebral ischemia, and neonatal hypoxia-ischemia, as well as intensive sections covering traumatic brain injury and spinal cord injury. Designed to provide both expert guidance and step-by-step procedures, chapters serve to increase understanding in what, why, when, where, and how a particular assessment is used. Accessible and essential, Animal Models of Acute Neurological Injuries II: Injury and Mechanistic Assessments will be useful for trainees or beginners in their assessments of acute neurological injuries, for experienced scientists from other research fields who are interested in either switching fields or exploring new opportunities, and for established scientists within the field who wish to employ new assessments.

Carnivores - Quick ID Guide To Africa's Predatory Mammals (Paperback): Chris Stuart, Mathilde Stuart Carnivores - Quick ID Guide To Africa's Predatory Mammals (Paperback)
Chris Stuart, Mathilde Stuart
R100 R93 Discovery Miles 930 Save R7 (7%) Ships in 5 - 10 working days

Of all the animal groups, none looms larger in the imagination than the carnivores. Adapted for hunting and killing other animals, they represent the most powerful predators on Earth.

This compact guide covers both the mighty and ferocious - big cats, wolves, foxes and hyaenas - and a variety of smaller but equally formidable hunters - otters, polecats, weasels, mongooses and civets.

Genealogy of Obedience - Reading North American Dog Training Literature, 1850s-2000s (Hardcover): Justyna Wlodarczyk Genealogy of Obedience - Reading North American Dog Training Literature, 1850s-2000s (Hardcover)
Justyna Wlodarczyk
R4,352 Discovery Miles 43 520 Ships in 18 - 22 working days

In Genealogy of Obedience Justyna Wlodarczyk provides a long overdue look at the history of companion dog training methods in North America since the mid-nineteenth century, when the market of popular training handbooks emerged. Wlodarczyk argues that changes in the functions and goals of dog training are entangled in bigger cultural discourses; with a particular focus on how animal training has served as a field for playing out anxieties related to race, class and gender in North America. By applying a Foucauldian genealogical perspective, the book shows how changes in training methods correlate with shifts in dominant regimes of power. It traces the rise and fall of obedience as a category for conceptualizing relationships with dogs.

Developmental Biology of the Sea Urchin and Other Marine Invertebrates - Methods and Protocols (Hardcover, 2014 ed.): David J.... Developmental Biology of the Sea Urchin and Other Marine Invertebrates - Methods and Protocols (Hardcover, 2014 ed.)
David J. Carroll, Stephen A. Stricker
R5,844 Discovery Miles 58 440 Ships in 10 - 15 working days

In Developmental Biology of the Sea Urchin and Other Marine Invertebrates: Methods and Protocols, expert researchers in the field detail many of the methods which are now used to study sea urchins and other marine invertebrates in the laboratory. These include methods and protocols on imaging, other useful experimental tools for cell, developmental biology research, variety of molecular biological methods, and strategies for utilizing the sea urchin genome. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Developmental Biology of the Sea Urchin and other Marine Invertebrates: Methods and Protocols seeks to aid scientists in the further study into sea urchins and other marine invertebrates.

Fluorescence in situ Hybridization (FISH) - Protocols and Applications (Hardcover, 2010): Joanna M. Bridger, Keith Morris Fluorescence in situ Hybridization (FISH) - Protocols and Applications (Hardcover, 2010)
Joanna M. Bridger, Keith Morris
R4,142 Discovery Miles 41 420 Ships in 18 - 22 working days

Fluorescence in situ Hybridization (FISH) belongs to that special category of well-established molecular biology techniques that, since their inception a few decades ago, have succeeded in keeping a prominent position within the constantly expanding list of laboratory pro- dures for biomedical research and clinical diagnostics. The design simplicity and cost-effectiveness of the early FISH protocols, combined with the signifcant acceleration of discoveries in related technical areas such as fuor- cence microscopy, digital imaging, and nucleic acid technology have prompted the div- sifcation of the original technique into an outstanding number of imaginative and useful applications, and thus have not only held back its outmoding but have also promoted its expansion into different areas of basic and applied research in the post-genomic era. The 34 chapters included in this book aim at portraying the vibrant complexity and diversity of the current FISH protocol landscape, providing cutting-edge examples of va- ous applications for genetic and developmental research, cancer research, reproductive medicine, diagnostic and prognostic purposes, microbial ecology, and evolutionary st- ies. The book is divided in four parts: (I) Core Techniques, (II) Technical Advancements and Novel Adaptations, (III) Translational FISH: Applications for Human Genetics and Medicine, and (IV) Protocols for Model Organisms.

Advances in Insect Physiology, Volume 37 - Physiology of Human and Animal Disease Vectors (Hardcover, 37th edition): Stephen... Advances in Insect Physiology, Volume 37 - Physiology of Human and Animal Disease Vectors (Hardcover, 37th edition)
Stephen Simpson, Jerome Casas
R3,792 Discovery Miles 37 920 Ships in 10 - 15 working days

This latest volume in this series contains articles on the physiology of human and animal disease vectors.The papers in this special issue give rise to key themes for the future and make progress towards answering such questions as:
How do insect vectors of disease find their animal hosts?
Once a host is located, how do insects deploy their intricate mouthparts and the extraordinary complexities of salivary chemistry to secure a blood meal?

* Contributions from the leading researchers in entomology * Discusses the physiological diversity in insects * Includes in-depth reviews with valuable information for a variety of entomology disciplines

Birds of La Plata; v. 1 (Hardcover): W H (William Henry) 1841-1 Hudson Birds of La Plata; v. 1 (Hardcover)
W H (William Henry) 1841-1 Hudson; Henrik 1858-1940 Groenvold
R870 Discovery Miles 8 700 Ships in 18 - 22 working days
Climate Change Impact on Livestock: Adaptation and Mitigation (Hardcover, 2015 ed.): Veerasamy Sejian, John Gaughan, Lance... Climate Change Impact on Livestock: Adaptation and Mitigation (Hardcover, 2015 ed.)
Veerasamy Sejian, John Gaughan, Lance Baumgard, Cadaba Prasad
R6,036 Discovery Miles 60 360 Ships in 18 - 22 working days

This volume addresses in detail both livestock's role in climate change and the impacts of climate change on livestock production and reproduction. Apart from these cardinal principles of climate change and livestock production, this volume also examines the various strategies used to mitigate livestock-related GHG emissions, and those which can reduce the impacts of climate change on livestock production and reproduction. Presenting information and case studies collected and analyzed by professionals working in diversified ecological zones, the book explores the influence of climate change on livestock production across the globe. The most significant feature of this book is that it addresses in detail the different adaptation strategies and identifies targets for different stakeholders in connection with climate change and livestock production. Further, it puts forward development plans that will allow the livestock industries to cope with current climate changes and strategies that will mitigate the effects by 2025. Lastly, it provides researchers and policymakers several researchable priorities to help develop economically viable solutions for livestock production with less GHG emissions, promoting a cleaner environment in which human beings and livestock can live in harmony without adverse effects on productivity. Given that livestock production systems are sensitive to climate change and at the same are themselves a contributor to the phenomenon, climate change has the potential to pose an increasingly formidable challenge to the development of the livestock sector. However, there is a dearth of scientific information on adapting livestock production to the changing climate; as such, well-founded reference material on sustaining livestock production systems under the changing climate scenarios in different agro-ecological zones of the world is essential. By methodically and extensively addressing all aspects of climate change and livestock production, this volume offers a valuable tool for understanding the hidden intricacies of climatic stress and its influence on livestock production.

Diel Vertical Migration of Zooplankton in Lakes and Oceans - causal explanations and adaptive significances (Hardcover, 2010... Diel Vertical Migration of Zooplankton in Lakes and Oceans - causal explanations and adaptive significances (Hardcover, 2010 ed.)
Joop Ringelberg
R4,072 Discovery Miles 40 720 Ships in 18 - 22 working days

The book deals with Diel Vertical Migration (DVM) of zooplankton in oceans and lakes and is the first critical discussion of the literature in 100 years of research. The accent is on photo-response experiments that revealed the physiological fundament unifying migration behaviour in both biotopes. Accelerations in relative changes in light intensity of dawn and dusk are the stimuli that trigger a PhotoBehaviour Mechanisms (PBM) evolved to realise predator evasion and starvation prevention. Physiology and behaviour are tuned to these adaptive goals. A "set of ecological factors" is necessary and an algorithm shows the operation of the "set." However, not only the kinetic component of behaviour is based on light, also orientation but now the angular light distribution is responsible. Contrast orientation as in Daphnia may also hold for other animals, for example, Euphausia.The application of the PBM in lakes and oceans is demonstrated amongst other for the vertical movements of Sound Scattering Layers. These layers move faster, slower or as fast as an isolume which was a problem for the decennia long explanation that migrating animals followed an optimal light intensity. The enigma was solved. Using time series of changes in population size, egg ratios, development times and death rates due to predation by juvenile fish, the influence of DVM on population dynamics was analysed. Finally, covering the flow of matter in the traditional food web by a network of information transitions illustrates the controlling function of infochemicals, such as fish kairomones.

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