Ecological Methods

Ecological Methods

Author: Peter A. Henderson

Publisher: John Wiley & Sons

ISBN: 9781118895252

Category: Science

Page: 656

View: 137

4th edition of this classic Ecology text Computational methods have largely been replaced by descriptions of the available software Includes procedure information for R software and other freely available software systems Now includes web references for equipment, software and detailed methodologies

Ecological Methods

Ecological Methods

Author: T. R. E. Southwood

Publisher: John Wiley & Sons

ISBN: 9781444312300

Category: Science

Page: 594

View: 824

This classic text, whose First Edition one reviewer referred to as"the ecologists' bible," has been substantially revised andrewritten. Not only have the advances made in the field since theSecond Edition been taken into account, but the scope has beenexplicitly extended to all macroscopic animals, with particularattention being paid to fish as well as other vertebrates. Ecological Methods provides a unique synthesis of themethods and techniques available for the study of populations andecosystems. Techniques used to obtain both absolute and relativepopulation estimates are described, and approaches to the directmeasurement of births, deaths, migration and the construction andinterpretation of life tables are reviewed. The text is extensively illustrated, clearly describing a widerange of equipment and methods of analysis. Comprehensive andup-to-date bibliographies to each chapter fully cover the relevantliterature, and references are given to available computer programsand internet addresses. The book has an active web site providingadditional illustrations, details of equipment and programs, andreferences to work published since the revision was completed. Likethe earlier editions, this book will be an indispensable source ofreference to researchers and students at all levels in the fieldsof ecology, entomology and zoology. Completely revised and rewritten edition of a classic. Scope extended to all macroscopic animals, notably fish andother vertebrates. Active web site displaying additional material. References to computer programmes and internet addressesthroughout the text. Affordable paperback.

Ecological Methods

Ecological Methods

Author: T.R. Southwood

Publisher: Springer Science & Business Media

ISBN: 9789400912250

Category: Science

Page: 548

View: 865

the virtual impossibility of extracting the many different species from a habitat with equal efficiency by a single method (e.g. Nef, 1960). 1.1 Population estimates Population estimates can be classified into a number of different types; the most convenient classification is that adopted by Morris (1955), although he used the terms somewhat differently in a later paper (1960). 1.1.1 Absolute and related estimates The animal numbers may be expressed as a density per unit area of the ground of the habitat. Such estimates are given by nearest neighbour and related techniques (Chapter 2), marking and recapture (Chapter 3), by sampling a known fraction of the habitat (Chapter 4-6) and by removal sampling and random walk techniques (Chapter 7). Absolute population The number of animals per unit area (e.g. hectare, acre). It is almost impossible to construct a budget or to study mortality factors without the conversion of population estimates to absolute figures, for not only do insects often move from the plant to the soil at different developmental stages, but the amount of plant material is itself always changing. The importance of obtaining absolute estimates cannot be overemphasized.

Southwood's Ecological Methods

Southwood's Ecological Methods

Author: Peter A. Henderson

Publisher: Oxford University Press

ISBN: 9780198862277

Category: Science

Page: 529

View: 270

Ecological Methods by the late T.R. E. Southwood and revised over the years by P. A. Henderson has developed into a classic reference work for the field biologist. It provides a handbook of ecological methods and analytical techniques pertinent to the study of animals, with an emphasis on non-microscopic animals in both terrestrial and aquatic environments. It remains unique in the breadth of the methods presented and in the depth of the literature cited, stretching right back to the earliest days of ecological research. The universal availability of R as an open source package has radically changed the way ecologists analyse their data. In response, Southwood's classic text has been thoroughly revised to be more relevant and useful to a new generation of ecologists, making the vast resource of R packages more readily available to the wider ecological community. By focusing on the use of R for data analysis, supported by worked examples, the book is now more accessible than previous editions to students requiring support and ideas for their projects. Southwood's Ecological Methods provides a crucial resource for both graduate students and research scientists in applied ecology, wildlife ecology, fisheries, agriculture, conservation biology, and habitat ecology. It will also be useful to the many professional ecologists, wildlife biologists, conservation biologists and practitioners requiring an authoritative overview of ecological methodology.

Ecological Methods in Forest Pest Management

Ecological Methods in Forest Pest Management

Author: David Wainhouse

Publisher: Oxford University Press on Demand

ISBN: 9780198505648

Category: Nature

Page: 249

View: 963

Throughout the world there is a need to control forest insect pests. This text focuses predominantly on insect pests, but many examples relate to fungal pathogens, saome of which are vectored by forest insects. It looks at the development of Integrated Pest Management (IPM).

An Introduction to Mathematical Models in Ecology and Evolution

An Introduction to Mathematical Models in Ecology and Evolution

Author: Mike Gillman

Publisher: John Wiley & Sons

ISBN: 9781405194891

Category: Science

Page: 165

View: 622

Students often find it difficult to grasp fundamental ecological and evolutionary concepts because of their inherently mathematical nature. Likewise, the application of ecological and evolutionary theory often requires a high degree of mathematical competence. This book is a first step to addressing these difficulties, providing a broad introduction to the key methods and underlying concepts of mathematical models in ecology and evolution. The book is intended to serve the needs of undergraduate and postgraduate ecology and evolution students who need to access the mathematical and statistical modelling literature essential to their subjects. The book assumes minimal mathematics and statistics knowledge whilst covering a wide variety of methods, many of which are at the fore-front of ecological and evolutionary research. The book also highlights the applications of modelling to practical problems such as sustainable harvesting and biological control. Key features: Written clearly and succinctly, requiring minimal in-depth knowledge of mathematics Introduces students to the use of computer models in both fields of ecology and evolutionary biology Market - senior undergraduate students and beginning postgraduates in ecology and evolutionary biology

Applications in Ecological Engineering

Applications in Ecological Engineering

Author: Sven Erik Jørgensen

Publisher: Academic Press

ISBN: 0123813689

Category: Technology & Engineering

Page: 380

View: 463

Ecological engineering involves the design, construction and management of ecosystems that have value to both humans and the environment. It is a rapidly developing discipline that provides a promising technology to solve environmental problems. Ecological Engineering covers the basic theory of ecological engineering as well as the application of these principles in environmental management. Provides an overview of the theory and application of environmental engineering International focus and range of ecosystems makes Ecological Engineering an indispensable resource to scientists Based on the best-selling Encyclopedia of Ecology Full-color figures and tables support the text and aid in understanding

Grassland Biodiversity

Grassland Biodiversity

Author: Johan Runas

Publisher:

ISBN: STANFORD:36105215478681

Category: Biodiversity conservation

Page: 404

View: 780

"Genetic diversity and species diversity are both crucial for ecosystem stability. Analysis of plant diversity aims to understand the organization and the variability of biological populations within ecosystems. This book provides a review on chemotaxonomical criteria helping to understand complex structures of plant diversity. It focuses particularly on the chemotaxonomic usefulness of phenolic compounds in analysis of chemical polymorphisms at different taxonomic levels. The relationship between grazing pressure and grassland vegetation is also examined, using drastically improved information technology such as remote sensing, Geographic Information System (GIS) and Ground Positioning Systems (GPS). Furthermore, an overview of the unique ecosystem of the South Brazilian Campos grasslands are given. The role of disturbance in maintaining Campos biodiversity and dynamics, and the importance of its conservation, is looked at as well. Other chapters in this book discuss the relationship between management and vegetation, and also suggest ways to conserve the species diversity of both plants and butterflies in semi-natural grassland."--Publisher's description.