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Understanding Body Shapes of Animals
This book discusses how and why animals evolved into particular shapes. The book identifies the physical laws which decide over the evolutionary (selective) value of body shape and morphological characters. Comparing the mechanical necessities with morphological details, the author attempts to understand how evolution works, and which sorts of limitations are set by selection. The book explains morphological traits in more biomechanical detail without getting lost in physics, or in methods. Most emphasis is placed on the proximate question, namely the identification of the mechanical stresses which must be sustained by the respective body parts, when they move the body or its parts against resistance. In the first part of the book the focus is on ‘primitive’ animals and later on the emphasis shifts to highly specialized mammals. Readers will learn more about living and fossil animals. A section of the book is dedicated to human evolution but not to produce another evolutionary tree, nor to refine a former one, but to contribute to answering the question: “WHY early humans have developed their particular body shape".
Hands of Primates
The hand commonly is considered to have exerted great influence on the evolution of typically human characteristics, like upright posture, stereoscopic vision, «manipulative» handling of parts of the environment. The German term «Begreifen», which is commonly used for the understanding of complex relationships in a generalised, abstract sense, always implies the original meaning of seizing objects with the aid of the hands. The hands are also of greatest importance for the survival of the other, non-human primates. Hands are absolutely essential for locomotion in an arboreal habitat, and the intake of food is dependant on the use of the hands as well: primates very rarely take in food di...
Hands of Primates
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Development and Control in Primate Locomotion
Although a wealth of information about the locomotor patterns and the functional morphology of primates has been compiled, there have been relatively few studies of the ontogenetic aspects of primate locomotion. The specially selected papers in this publication analyze empirical and numerical data on the morphology of the locomotor system as well as on postural and locomotor activities. Some are mainly concerned with the basic analysis of musculoskeletal functional anatomy while others deal with locomotor ontogeny, and, in some cases, with its relevance to locomotor phylogeny. The last group of papers is concerned with control of movement and addresses the problem of analyzing the interactions among the mechanically determined, actively controlled movements. The hypotheses proposed are based on the hard facts of morphology, posture, and movements. Providing a detailed analysis of important aspects of primate locomotion, this special issue is of value to primatologists and other researchers who are ultimately seeking a better understanding of locomotion during hominoid evolution.
The Lesser Apes
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Size and Scaling in Primate Biology
In very general terms, "scaling" can be defined as the structural and func tional consequences of differences in size (or scale) among organisms of more or less similar design. Interest in certain aspects of body size and scaling in primate biology (e. g. , relative brain size) dates to the turn of the century, and scientific debate and dialogue on numerous aspects of this general subject have continued to be a primary concern of primatologists, physical an thropologists, and other vertebrate biologists up to the present. Indeed, the intensity and scope of such research on primates have grown enormously in the past decade or so. Information continues to accumulate rapidly from many different...
Origins of Semiosis
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Gibbon Conservation in the Anthropocene
Hylobatids (gibbons and siamangs) are the smallest of the apes distinguished by their coordinated duets, territorial songs, arm-swinging locomotion, and small family group sizes. Although they are the most speciose of the apes boasting twenty species living in eleven countries, ninety-five percent are critically endangered or endangered according to the IUCN's Red List of Threatened Species. Despite this, gibbons are often referred to as being 'forgotten' in the shadow of their great ape cousins because comparably they receive less research, funding and conservation attention. This is only the third book since the 1980s devoted to gibbons, and presents cutting-edge research covering a wide variety of topics including hylobatid ecology, conservation, phylogenetics and taxonomy. Written by gibbon researchers and practitioners from across the world, the book discusses conservation challenges in the Anthropocene and presents practice-based approaches and strategies to save these singing, swinging apes from extinction.
