Insect Clocks

Insect Clocks
Author: D.S. Saunders
Publisher: Elsevier
Total Pages: 577
Release: 2002-10-28
Genre: Science
ISBN: 0080534716

Chronobiology is the study of timing mechanisms in biological systems as diverse as plants, animals and some micro-organisms. It includes rhythmic phenomena ranging from short period (ultradian) through daily (circadian) to long period (monthly, annual) cycles of behaviour, physiology and biochemistry. In recent years spectacular advances have been made, particularly in the field of circadian rhythms, and hardly a week passes without important papers appearing in the major scientific journals.The third edition of Insect Clocks, like its predecessors, deals with the properties and functions of clock-like processes in one of the planet's most abundant groups of organisms. The first half of the book is concerned with circadian rhythmicity, the second with annual responses such as over-wintering diapause, seasonal morphs and cold hardiness. Insect Clocks puts modern developments in these fields into a secure framework of the 'classical' literature that has defined the subject.The book is directed at active researchers in the field as well as newcomers and scientists working in many other areas of modern biology. It will also serve as a textbook for advanced and less advanced students and should find its way into university libraries wishing to keep abreast of the times.

Insect Clocks

Insect Clocks
Author: David Stanley Saunders
Publisher:
Total Pages: 279
Release: 1976
Genre: Biological rhythms
ISBN:

Clocks and More Clocks

Clocks and More Clocks
Author: Pat Hutchins
Publisher: Simon and Schuster
Total Pages: 32
Release: 2014-01-21
Genre: Juvenile Fiction
ISBN: 1481410725

When the hall clock reads twenty minutes past four, the attic clock reads twenty-three minutes past four, the kitchen clock reads twenty-five minutes past four, and the bedroom clock reads twenty-six minutes past four, what should Mr. Higgins do? He can't tell which of his clocks tells the right time. He is in for a real surprise when the Clockmaker shows him that they are all correct!

Insect Clocks

Insect Clocks
Author: David Stanley Saunders
Publisher: Pergamon
Total Pages: 436
Release: 1982
Genre: Science
ISBN:

Chronobiology is the study of timing mechanisms in biological systems as diverse as plants, animals and some micro-organisms. It includes rhythmic phenomena ranging from short period (ultradian) through daily (circadian) to long period (monthly, annual) cycles of behaviour, physiology and biochemistry. In recent years spectacular advances have been made, particularly in the field of circadian rhythms, and hardly a week passes without important papers appearing in the major scientific journals. The third edition of Insect Clocks , like its predecessors, deals with the properties and functions of clock-like processes in one of the planet's most abundant groups of organisms. The first half of the book is concerned with circadian rhythmicity, the second with annual responses such as over-wintering diapause, seasonal morphs and cold hardiness. Insect Clocks puts modern developments in these fields into a secure framework of the 'classical' literature that has defined the subject. The book is directed at active researchers in the field as well as newcomers and scientists working in many other areas of modern biology. It will also serve as a textbook for advanced and less advanced students and should find its way into university libraries wishing to keep abreast of the times.

Molecular Biology of Circadian Rhythms

Molecular Biology of Circadian Rhythms
Author: Amita Sehgal
Publisher: John Wiley & Sons
Total Pages: 302
Release: 2004-04
Genre: Science
ISBN: 9780471418245

This text begins with a general introduction to biochemical and biophysical aspects of circadian timing, then proceeds to its essential focus on collating the newest information on molecular mechanisms of circadian rhythms. It includes a chapter on the implications for clinical research on affective disorders, sleep disorders, and the relevance for therapeutic treatment, as well as coverage of multiple oscillators and hormonal rhythms. Sections include: Molecular Control of Circadian Rhythms: Animal Models Molecular Control of Circadian Rhythms: From Cyanobacteria to Plants Circadian Organization in Complex Organisms. Chapter topics include examinations of circadian rhythms in non-mammalian vertebrates, neurospora, and humans.

Insect Diapause

Insect Diapause
Author: David L. Denlinger
Publisher: Cambridge University Press
Total Pages: 465
Release: 2022-02-03
Genre: Science
ISBN: 1108755186

Our highly seasonal world restricts insect activity to brief portions of the year. This feature necessitates a sophisticated interpretation of seasonal changes and enactment of mechanisms for bringing development to a halt and then reinitiating it when the inimical season is past. The dormant state of diapause serves to bridge the unfavourable seasons, and its timing provides a powerful mechanism for synchronizing insect development. This book explores how seasonal signals are monitored and used by insects to enact specific molecular pathways that generate the diapause phenotype. The broad perspective offered here scales from the ecological to the molecular and thus provides a comprehensive view of this exciting and vibrant research field, offering insights on topics ranging from pest management, evolution, speciation, climate change and disease transmission, to human health, as well as analogies with other forms of invertebrate dormancy and mammalian hibernation.

Biological Rhythms

Biological Rhythms
Author: Jurgen Aschoff
Publisher: Springer Science & Business Media
Total Pages: 565
Release: 2013-03-09
Genre: Science
ISBN: 1461565529

Interest in biological rhythms has been traced back more than 2,500]ears to Archilochus, the Greek poet, who in one of his fragments suggests ",,(i,,(VWO'KE o'olos pv{}J.tos txv{}pW7rOVS ~XH" (recognize what rhythm governs man) (Aschoff, 1974). Reference can also be made to the French student of medicine J. J. Virey who, in his thesis of 1814, used for the first time the expression "horloge vivante" (living clock) to describe daily rhythms and to D. C. W. Hufeland (1779) who called the 24-hour period the unit of our natural chronology. However, it was not until the 1930s that real progress was made in the analysis of biological rhythms; and Erwin Bunning was encouraged to publish the first, and still not outdated, monograph in the field in 1958. Two years later, in the middle of exciting discoveries, we took a breather at the Cold Spring Harbor Symposium on Biological Clocks. Its survey on rules considered valid at that time, and Pittendrigh's anticipating view on the temporal organization of living systems, made it a milestone on our way from a more formalistic description of biological rhythms to the understanding of their structural and physiological basis.

The Veiled Pulse of Time

The Veiled Pulse of Time
Author: William A. Bryant
Publisher: SteinerBooks
Total Pages: 274
Release: 1993-09
Genre: Religion
ISBN: 158420530X

9 lectures, various cities, February 23, 1921-September 16, 1922 (CW 304) This is the first of two previously untranslated volumes of Steiner's public lectures on Waldorf education. Readers familiar with Steiner's lectures for teachers will discover here how Steiner presented his ideas to the general public with surprising directness. Teaching, Steiner says, should be artistic, creative, and improvisational--not dogmatic. Nonetheless, he is clear that "the great battle" has to do with the spiritual nature of children. He discusses themes such as understanding the role of health and illness in education, as well as the three major phases in child development: imitation, authority, and freedom. Also included are also two lectures Rudolf Steiner gave in England on Shakespeare and new ideals in education. German source: Erziehungs- und Unterrichtsmethoden auf Anthroposophischer Grundlage (GA 304).

Contemporary Insect Diagnostics

Contemporary Insect Diagnostics
Author: Timothy J. Gibb
Publisher: Academic Press
Total Pages: 347
Release: 2014-10-27
Genre: Science
ISBN: 0124046924

Contemporary Insect Diagnostics aids entomologists as they negotiate the expectations and potential dangers of the practice. It provides the reader with methods for networking with regulatory agencies, expert laboratories, first detectors, survey specialists, legal and health professionals, landscape managers, crop scouts, farmers and the lay public. This enables the practitioner and advanced student to understand and work within this network, critically important in a time when each submission takes on its own specific set of expectations and potential ramifications. Insect diagnosticians must be knowledgeable on pests that affect human health, stored foods, agriculture, structures, as well as human comfort and the enjoyment of life. The identification and protection of the environment and the non-target animals (especially beneficial insects) in that environment is also considered a part of insect diagnostics. Additionally, Integrated Pest Management recommendations must include any of a variety of management tactics if they are to be effective and sustainable. This greatly needed foundational information covers the current principles of applied insect diagnostics. It serves as a quick study for those who are called upon to provide diagnostics, as well as a helpful reference for those already in the trenches. - Includes useful case studies to teach specific points in insect diagnostics - Provides problem-solving guidance and recommendations for insect identification, threat potential, and management tactics, while accounting for the varying needs of the affected population or client - Contains numerous color photos that enhance both applicability and visual appeal, together with accompanying write-ups of the common pests