Fisheries genetics researchers will find invaluable the thirty-eight peer-reviewed contributions in this book, presented at the 20th Lowell Wakefield Fisheries Symposium "Genetics of Subpolar Fish and Invertebrates," held in May 2002 in Juneau, Alaska.

Looming over concerns of lost fisheries stocks and persistent erosion of genetic variability are predictions of global warming, which may further tax genetic resources. One consequence is an increased reliance on genetic applications to many aspects of fisheries management, aquaculture, and conservation.

The contributions in this book are important to modern fisheries science and genetics, and illustrate the evolution of the field over the past decade. The improved technology provides tools to address increasingly complicated problems in traditional applications and ecological and behavioral studies. The union between molecular and quantitative genetics, where many of the major questions about population structure and evolution remain unanswered, will also benefit from the new technologies.

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Keynote; A.J. Gharrett. Using halotype trees for phylogeographic and species inference in fish populations; A.R. Templeton.

Genetics of populations: freshwater and anadromous species. Migration of Pacific Rim chum salmon on the high seas: insights from genetic data; L.W. Seeb, et al. Genetic population structure of chum salmon in the Pacific Rim inferred from mitochondrial DNA sequence variation; S. Sato, et al. Smaller effective population sizes evidenced by loss of microsatellite alleles in tributary-spawning populations of sockeye salmon from the Kvichak River, Alaska drainage; C. Habicht, et al. Microsatellite DNA data indicate distinct native populations of kokanee, Oncorhynchus nerka, persist in the Lake Sammamish basin, Washington; S.F. Young, et al. Genetic structure of wild chinook salmon populations of southeast Alaska and northern British Columbia; C.M. Guthrie III, et al. Population structure and stock identification of steelhead trout, Oncorhynchus mykiss, in British Columbia and the Columbia River based on microsatellite variation; T.D. Beacham, et al. A comparison of genetic variation between an anadromous steelhead, Oncorhynchus mykiss, population and seven derived populations sequestered in freshwater for 70 years; F.C. Thrower, et al. Genetic integrity and microgeographic population structure of westslope cutthroat trout, Oncorhynchus clarki lewisi, in the Pend Oreille Basin in Washington; S.F. Young, et al. Microsatellite variation in populations of Atlantic salmon from north Europe; V. Wennevik, et al. The rainbow smelt, Oncorhynchus mordax, complex of Lake Utopia: threatened or misunderstood? R.A. Curry, et al.

Genetics of populations: marine species. Mitochondrial DNA variation in northwestern Bering Sea wallaya pollock, theragra chalcogramma (Pallas); V.A. Brykov, et al. Analysis of the genetic structure of the northwestern Bering Sea walleye pollock, theragra chalcogramma; E.A. Shubina, et al. Genetic population structure of Pacific hake, Merluccius productus, in the Pacific Northwest; E. Iwamoto, et al. Population structure of Alaskan shortraker rockfish, Sebastes borealis, inferred from microsatellite variation; A.P. Matala, et al. Evidence for two highly differentiated herring groups at Goose Bank in the Barents Sea and the genetic relationship to Pacific herring Clupea pallasi; K.E. Jørstad. Sub-Arctic populations of European lobster, Homarus gammarus, in northern Norway; K.E. Jørstad, et al.

Genetics of populations: methods and applications. Detecting specific populations in mixtures; J.H. Reynolds, et al. Sampling issues affecting accuracy of likelihood-based classification using genetical data; B. Guinand, et al. Moderately and highly polymorphic microsatellites provide discordant estimates of population divergence in sockeye salmon, Oncorhynchus nerka; J.B. Olsen, et al. Fornsic DNA analysis of Pacific salmonid samples for species and stock identification; R.E. Withler, et al.

Genetic variability: fitness and adaptation. Outbreeding depression in hybrids between spatially separated pink salmon, Oncorhynchus gorbuscha, populations: marine survival, homing ability, and variability in family size; S.E. Gilk, et al. Effects on embryo development time and survival of intercrossing three geographically separate populations of southeast Alaska coho salmon, Oncorhynchus kisutch; K.L. Granath, et al. Major histocompatibility complex loci are associated with susceptibility of Atlantic salmon to infectious hematopoietic necrosis virus; K.M. Miller, et al. Quantitative trait loci analyses for meristic traits in Oncorhynchus mykiss; K.M. Nichols, et al.

Genetic variability: phenotype and maintenance of variation. The mating system of steelhead Oncorhynchus mykiss, inferred by molecular analysis of parents and progeny; T.R. Seamons, et al. Polygamous mating and high levels of genetic variation in lingcod, Ophiodon elongates, of the Strait of Georgia, British Columbia; R.E. Withler, et al.

Aquaculture genetics: interactions of cultured and wild fish. Differential reproductive success of sympatric, naturally spawning hatchery and wild steelhead, Oncorhynchus mykiss; J.E. McLean, et al. Genetic variation within and between domesticated chinook salmon, oncorhynchus tshawytscha, strains and their progenitor populations; J.E. Kim, et al. Lopsided fish in the Snake River Basin: fluctuating asymmetry as a way of assessing impact of hatchery supplementation in chinook salmon, Oncorhynchus tshawytscha; O. Johnson, et al. Temporal comparisons of genetic diversity in Lake Michigan steelhead, Oncorhynchus mykiss, populations: effects of hatchery supplementation; M.L. Bartron, K.T. Scribner.

Aquaculture genetics: applications. Genetic selection and molecular analysis of domesticated rainbow trout for enhanced growth on alternative diet sources; K. Overturf, et al. Improvement of sperm motility of sex-reversed male rainbow trout, Oncorhynchus mykiss, by incubation in high-pH artificial seminal plasma; T. Kobayashi, et al. Temporal and spatial occurrence of female chinook salmon carrying a male-specific genetic marker in the Columbia River watershed; T.R. Chowen, J.J. Nagler.

Phylogenetics. Molecular systematics and evolution of the growth hormone introns in the Salmoninae; R.B. Phillips, et al. Karyological differentiation of northern Dolly Varden and sympatric chars of the genus Salvelinus in northeastern Russia; S.V. Frolov, V.N. Frolova. Differences between two subspecies of Dolly Varden, Salvelinus malma, revealed by RLFP-PCR-analysis of mitochondrial DNA; A.G. Oleinik, et al. Use of microsatellite locus flanking regions for phylogenetic analysis? A preliminary study of Sebastes subgenera; T.A. Asahida, et al.