1 Photoperiod Effects on Thyroid Function in Fish (with 5 figures).- 2 Neuroendocrine Processing of Environmental Information in Amphibians (with 8 figures).- 3 Circadian Organization in Lizards: Perception, Translation, and Transduction of Photic and Thermal Information (with 6 figures).- 4 Hormones, Behavior, and the Environment: An Evolutionary Perspective (with 2 figures).- 5 Circadian Locomotor Rhythms in Birds Correlate with and May Be Explained by Rhythms in Serotonin, N-Acetyltransferase, and Melatonin (with 6 figures).- 6 Daylenght and Control of Seasonal Reproduction in Male Birds (with 5 figures).- 7 Changes in Reproductive Function Free-Living Birds in Direct Response to Environmental Perturbations (with 12 figures).- 8 The Influence of Light on the Mammalian Fetus (with 10 figures).- 9 Neuroendocrine Mechanisms Mediating the Photoperiodic Control of Reproductive Function in Sheep (with 9 figures).- 10 Photoperidism and Seasonality in Hamsters: Role of the Pineal Gland (with 6 figures).- 11 Reproductive Refractoriness in Hamsters: Environmental and Endocrine Etiologies (with 12 figures).
In just one concise and lucidly written volume a multitude of topics is covered introducing the results of extensive research on the processing of environmental information in vertebrates. Practical examples are provided to illustrate points made in the text. Many factors, both from the external environment and from within the animals own cells or tissue makeup can directly serve as a pressure to elicit physiological and/or behavioral responses in the organisms studied. Light intensity, photoperiod, circadian rhythms, seasonal variation and daylenght, just to name a few, are among the environmental factors that are correlated in these studies to behavioral or hormonal changes, organ function, and reproduction. This work will serve as a guidebook and easy reference source for students and research professionals in physiology, endocrinology, comparative zoology, and veterinary science.
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