Genetic Resources of Neotropical Fishes
The aim of this book is to systematize and discuss population genetic studies of freshwater fish in a region that harbors the greatest diversity of species among all inland water ecosystems. This volume explores the genetic evaluation for a number of
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Genetic Resources of Neotropical Fishes
Genetic Resources of Neotropical Fishes
Alexandre W.S. Hilsdorf • Eric M. Hallerman
Genetic Resources of Neotropical Fishes
Alexandre W.S. Hilsdorf Unit of Biotechnology University of Mogi das Cruzes Mogi das Cruzes, SP, Brazil
Eric M. Hallerman Department of Fish and Wildlife Conservation Virginia Polytechnic Institute and State University Blacksburg, VA, USA
ISBN 978-3-319-55836-3 ISBN 978-3-319-55838-7 (eBook) DOI 10.1007/978-3-319-55838-7 Library of Congress Control Number: 2017934886 © Springer International Publishing AG 2017 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. 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. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Printed on acid-free paper This Springer imprint is published by Springer Nature The registered company is Springer International Publishing AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland
Foreword
Fish from the world’s lakes, rivers, reservoirs, swamps, and wetlands provide vital components of food security, economic opportunity, cultural identity, spirituality, and recreation to an ever-growing human population. However, these important inland fishery resources are being threatened as never before. Increased competition from other sectors using freshwater, e.g., irrigation, hydroelectric generation, and industry, has reduced the quantity and quality of water available for fish; unsustainable land-use practices have degraded aquatic habitats and made them unsuitable for many species of aquatic organisms. With the needs for irrigated agriculture and energy expected to double in the coming decades, competition for freshwater can only be expected to become more severe. Inland fish are currently thought to be the most threatened group of vertebrates used by humans. It is disturbing that the needs of the people most dependent on inland fishery resources, i.e., the millions of small-scale, often seasonal
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