Challenges for Diadromous Fishes in a Dynamic Global Environment
Challenges for Diadromous Fishes in a Dynamic Global Environment
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DOI:
10.1086/652367
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发表时间:
2010-06
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通讯作者:
E. Palkovacs
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作者:
E. Palkovacs
Challenges for Diadromous Fishes in a Dynamic Global Environment. Based on a symposium held in Halifax, Nova Scotia, Canada, 18–21 June 2007. American Fisheries Society Symposium, Volume 69. Edited by Alexander J. Haro, Katherine L. Smith, Roger A. Rulifson, Christine M. Moffitt, Ronald J. Klauda, Michael J. Dadswell, Richard A. Cunjak, John E. Cooper, Kenneth L. Beal, and Trevor S. Avery. Bethesda (Maryland): American Fisheries Society. $69.00. xxiii 943 p.; ill.; no index. ISBN: 978-1-934874-08-0. 2009. This edited volume is a compilation of contributions from an American Fisheries Society symposium held in 2007. It features recent research into the evolution and ecology of diadromous fishes and describes the threats facing these species in a dynamic geophysical, biological, and sociopolitical environment. This is a timely publication given that many diadromous fish species around the world are in steep decline due to habitat alteration, harvesting, pollution, hydropower development, and global climate change. Diadromous fishes are characterized by life cycles that involve migrations between freshwater and marine habitats. The most familiar forms of diadromy are anadromy (reproduction in freshwater and growth at sea, as exemplified by salmonids) and catadromy (reproduction at sea and growth in freshwater, as exemplified by anguillid eels). However, diadromy comprises a broad spectrum of migratory behaviors that vary considerably among species, among populations within species, and even within populations. This volume begins with two plenary papers, which characterize the complexity of diadromous fish life cycles (McDowall; Quinn et al.). Following these papers are the six main sections that comprise the book: The Dynamic Nature of Diadromy; Climate Change and Anthropogenic Influences; Ocean Migration of Diadromous Fishes in a Changing Global Environment; Linkages with Ecosystem Energetics; Population and Habitat Restoration; and Management and Governance of Diadromous Fishes: Sociological, Economic, Political, and Ecological Considerations. Rounding out the volume are concluding remarks from the plenary speakers, contributions from poster sessions, and poster abstracts.The spatially and temporally complex migration patterns of diadromous fishes present biologists, resource managers, and policymakers with challenges in understanding and ultimately conserving diadromous fishes. This volume contains papers that describe a wide array of innovative approaches and technologies that are being applied to diadromous fish research, including population genetic and phylogenetic analyses (Dodson et al.; Bradbury et al.), otolith microchemistry (Mc-Cleave and Edeline; Howland et al.), acoustic tagging techniques (Grothues et al.; Bradford et al.; Kocik et al.; Stokesbury et al.), modeling approaches (Lassalle et al.; Monk and Curry; Jellyman and Bowen; Woodland et al.), physiological assays (McCormick et al.), paleolimnological reconstructions (Gregory-Eaves et al.), and stable isotopebased food web analyses (Jardine et al.; Sinnatamby et al.; Swanson and Kidd). In addition to papers that describe research on the biology of diadromous fishes, this volume contains contributions focused on the design and implementation of effective conservation and restoration strategies for diadromous species. Several papers draw upon the traditional cultural and economic importance of diadromous fishes to inform effective management (Haggan et al.; Anderson et al.; Siddique), while others focus on the importance of understanding the complex couplings between natural ecosystems and human sociopolitical …