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Author : D. Stewart Maglagan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (614 download)
Download or read book The Experimental Analysis of the Growth of an Insect Population written by D. Stewart Maglagan and published by . This book was released on 1936 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles J. Krebs
Publisher : Benjamin-Cummings Publishing Company
ISBN 13 : 9780321068798
Total Pages : 695 pages
Book Rating : 4.0/5 (687 download)
Download or read book Ecology written by Charles J. Krebs and published by Benjamin-Cummings Publishing Company. This book was released on 2001 with total page 695 pages. Available in PDF, EPUB and Kindle. Book excerpt: This best-selling majors ecology book continues to present ecology as a series of problems for readers to critically analyze. No other text presents analytical, quantitative, and statistical ecological information in an equally accessible style. Reflecting the way ecologists actually practice, the book emphasizes the role of experiments in testing ecological ideas and discusses many contemporary and controversial problems related to distribution and abundance. Throughout the book, Krebs thoroughly explains the application of mathematical concepts in ecology while reinforcing these concepts with research references, examples, and interesting end-of-chapter review questions. Thoroughly updated with new examples and references, the book now features a new full-color design and is accompanied by an art CD-ROM for instructors. The field package also includes The Ecology Action Guide, a guide that encourages readers to be environmentally responsible citizens, and a subscription to The Ecology Place (www.ecologyplace.com), a web site and CD-ROM that enables users to become virtual field ecologists by performing experiments such as estimating the number of mice on an imaginary island or restoring prairie land in Iowa. For college instructors and students.
Author : L.B. Browne
Publisher : Springer Science & Business Media
ISBN 13 : 3642866662
Total Pages : 376 pages
Book Rating : 4.6/5 (428 download)
Download or read book Experimental Analysis of Insect Behaviour written by L.B. Browne and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume has come about as a direct result of a Symposium entitled "Experimental Analysis of Insect Behaviour" which was an important con tribution to the 14 International Congress of Entomology held in Canberra, Australia, in August 1972 under the joint sponsorship of the Australian Academy of Science and the Australian Entomological Society. It is not, however, strictly Symposium proceedings. I have included, in this volume contributions from several workers who had to withdraw from the Symposium at a fairly late stage. Furthermore, quite intentionally, a number of the contributions bear only a general relationship to the papers given at the Congress. To permit this; the deadline for contribu tions was set at some six months after the Symposium. I imposed no restrictions on the form of the contributions. I did, however, indicate that speculative reviews highlighting the author's own recent research or that of his immediate colleagues would be particularly acceptable, and a number of the contributors have taken the opportunity to write this kind of paper. Several contributors, notably those whose task it was to give more general papers in the Symposium itself, have written reviews of somewhat greater scope.
Author : Robert F. Costantino
Publisher : Springer Science & Business Media
ISBN 13 : 1461231701
Total Pages : 272 pages
Book Rating : 4.4/5 (612 download)
Download or read book Population Dynamics and the Tribolium Model: Genetics and Demography written by Robert F. Costantino and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of populations is becoming increasingly focused on dynamics. We believe there are two reasons for this trend. The ftrst is the impactof nonlinear dynamics with its exciting ideas and colorful language: bifurcations, domains of attraction, chaos, fractals, strange attractors. Complexity, which is so very much a part of biology, now seems to be also a part of mathematics. A second trend is the accessibility of the new concepts. Thebarriers tocommunicationbetween theoristandexperimentalistseemless impenetrable. The active participationofthe experimentalist means that the theory will obtain substance. Our role is the application of the theory of dynamics to the analysis ofbiological populations. We began our work early in 1979 by writing an ordinary differential equation for the rateofchange in adult numbers which was based on an equilibrium model proposed adecadeearlier. Duringthenextfewmonths weftlledournotebookswithstraightforward deductions from the model and its associated biological implications. Slowly, some of the biological observations were explained and papers followed on a variety of topics: genetic and demographic stability, stationary probability distributions for population size,population growth asabirth-deathprocess, natural selectionanddensity-dependent population growth, genetic disequilibrium, and the stationary stochastic dynamics of adult numbers.
Author : United States. Office of Experiment Stations
Publisher :
ISBN 13 :
Total Pages : 1084 pages
Book Rating : 4.3/5 ( download)
Download or read book Experiment Station Record written by United States. Office of Experiment Stations and published by . This book was released on 1936 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Office of Experiment Stations
Publisher :
ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.3/5 (91 download)
Download or read book Experiment Station Record written by U.S. Office of Experiment Stations and published by . This book was released on 1937 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard G. Wilkinson
Publisher : Taylor & Francis
ISBN 13 : 1000618609
Total Pages : 254 pages
Book Rating : 4.0/5 (6 download)
Download or read book Poverty and Progress written by Richard G. Wilkinson and published by Taylor & Francis. This book was released on 2022-07-01 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1973 and now reissued with a new Preface, this striking book challenges the whole structure of our thinking on how societies develop – why some are primitive and others advanced. It demonstrates that the pursuit of progress is not the real driving force behind change. Economic development, it argues, is simply the escape route of societies caught in the ecological pincers of population growth and scarce resources. The author explains the processes by which industrialization is forced upon societies by the progressive scarcity of all land-based resources. The things we think of as the fruits of man's search for progress including increasingly sophisticated technology, labour-saving machinery and the rest - are in fact part of the struggle to keep up with the growing productive task created by ecological pressures. ln this light primitive societies appear less poor than we imagine, and advanced ones less rich.
Author : Johns Hopkins University. School of Hygiene and Public Health. Department of Biology
Publisher :
ISBN 13 :
Total Pages : 482 pages
Book Rating : 4.3/5 (91 download)
Download or read book Collected Papers from the Department of Biology of the School of Hygiene and Public Health of the Johns Hopkins University written by Johns Hopkins University. School of Hygiene and Public Health. Department of Biology and published by . This book was released on 1938 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chiefly reprints from various scientific journals.
Author : T.R. Southwood
Publisher : Springer Science & Business Media
ISBN 13 : 9401572917
Total Pages : 548 pages
Book Rating : 4.4/5 (15 download)
Download or read book Ecological Methods written by T.R. Southwood and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author :
Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ecology written by and published by . This book was released on 1996 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 910 pages
Book Rating : 4.3/5 (91 download)
Download or read book Pesticides Documentation Bulletin written by and published by . This book was released on 1968 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 710 pages
Book Rating : 4.F/5 ( download)
Download or read book The Hope Reports written by and published by . This book was released on 1937 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Umberto D'Ancona
Publisher : Brill Archive
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4./5 ( download)
Download or read book The Struggle for Existence written by Umberto D'Ancona and published by Brill Archive. This book was released on 1954 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Eaton Fye
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (31 download)
Download or read book Cotton Insect Populations written by Robert Eaton Fye and published by . This book was released on 1979 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jack P. Dempster
Publisher : Springer Science & Business Media
ISBN 13 : 9401149143
Total Pages : 494 pages
Book Rating : 4.4/5 (11 download)
Download or read book Insect Populations In theory and in practice written by Jack P. Dempster and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insects are by far the largest group of animals on Earth, with over a million described species, and they occupy a wide range of ecological niches - they may be herbivores, predators, parasites or decomposers. Some are of particular economic importance as pests of agriculture and forestry, as vectors of animal and human disease, or as species of interest to wildlife conservation. Thus an understanding of the processes determining their numbers is of considerable practical value. Entomologists have played a leading role in developing a theoretical basis to Population Ecology, but we still do not have adequate experimental and observational proof for many of the theoretical ideas that have been proposed. As a result, the subject has been beset with arguments for more than 50 years. This volume attempts to reconcile some of these controversies, while also reviewing the current state of our knowledge. The editors have drawn together an international list of contributors whose views reflect a range of opinions on how natural populations are stabilised. They have succeeded in producing a book that both covers the main alternative views in population theory and contains some of the best recent field studies of insect populations. This Royal Entomological Society Symposium volume will be of great interest to all entomologists and ecologists, particularly those who wish to know more about Population Dynamics.
Author :
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.X/5 (4 download)
Download or read book Entomological Series written by and published by . This book was released on 1941 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Academic Press
ISBN 13 : 0080567029
Total Pages : 343 pages
Book Rating : 4.0/5 (85 download)
Download or read book Advances in Ecological Research written by and published by Academic Press. This book was released on 1988-09-14 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Ecological Research
