The Evolution of Mammalian Sociality in an Ecological Perspective
This brief discusses factors associated with group formation, group maintenance, group population structure, and other events and processes (e.g., physiology, behavior) related to mammalian social evolution. Within- and between-lineages, features of prehi
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Clara B. Jones
The Evolution of Mammalian Sociality in an Ecological Perspective
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Clara B. Jones Mammals and Phenogroups (MaPs) Asheville North Carolina USA
ISSN 2192-4759 ISSN 2192-4767 (electronic) ISBN 978-3-319-03930-5 ISBN 978-3-319-03931-2 (eBook) DOI 10.1007/978-3-319-03931-2 Springer Cham Heidelberg New York Dordrecht London Library of Congress Control Number: 2013958320 © Clara B. Jones 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
This SpringerBrief concerns the condition-dependent effects of intraspecific competition on a mammal’s reproductive rate, as well as actions available to an individual (hereafter “type” [genotype and phenotype]) in the face of competition. Groupformation, group-maintenance, and sociality may be favored by selection when genes of social types increase relative to non-social types, beyond some threshold level in a population. When “social” and “sociality” are defined as responses facilitating the reproduction of one or more conspecific, sociality is not a conspicuous feature of Class, Mammalia. Facilitation appears in response to density-dependent conditions characterized by “thermal stress” (stimuli negatively impacting reproductive rate) when n
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