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  • 1
    Online Resource
    Online Resource
    MATERNAL EFFECTS ON OFFSPRING SIZE: VARIATION THROUGH EARLY DEVELOPMENT OF CHINOOK SALMON
    Wiley ; 1999
    In:  Evolution Vol. 53, No. 5 ( 1999-10), p. 1605-1611
    Details
    In: Evolution, Wiley, Vol. 53, No. 5 ( 1999-10), p. 1605-1611
    Type of Medium: Online Resource
    ISSN: 0014-3820
    URL: Issue
    URL: Article
    DOI: 10.1111/evo.1999.53.issue-5
    DOI: 10.1111/j.1558-5646.1999.tb05424.x
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 1999
    detail.hit.zdb_id: 2036375-8
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Rapid Evolution of Egg Size in Captive Salmon
    American Association for the Advancement of Science (AAAS) ; 2003
    In:  Science Vol. 299, No. 5613 ( 2003-03-14), p. 1738-1740
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 299, No. 5613 ( 2003-03-14), p. 1738-1740
    Abstract: Captive breeding and release programs, widely used to supplement populations of declining species, minimize juvenile mortality to achieve rapid population growth. However, raising animals in benign environments may promote traits that are adaptive in captivity but maladaptive in nature. In chinook salmon, hatchery rearing relaxes natural selection favoring large eggs, allowing fecundity selection to drive exceptionally rapid evolution of small eggs. Trends toward small eggs are also evident in natural populations heavily supplemented by hatcheries, but not in minimally supplemented populations. Unintentional selection in captivity can lead to rapid changes in critical life-history traits that may reduce the success of supplementation or reintroduction programs.
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1079707
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2003
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
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  • 3
    Online Resource
    Online Resource
    Maternal Effects on Offspring Size: Variation Through Early Development of Chinook Salmon
    Oxford University Press (OUP) ; 1999
    In:  Evolution Vol. 53, No. 5 ( 1999-10), p. 1605-
    Details
    In: Evolution, Oxford University Press (OUP), Vol. 53, No. 5 ( 1999-10), p. 1605-
    Type of Medium: Online Resource
    ISSN: 0014-3820
    URL: Article
    DOI: 10.2307/2640906
    RVK:
    WA 15000
    Language: Unknown
    Publisher: Oxford University Press (OUP)
    Publication Date: 1999
    detail.hit.zdb_id: 2036375-8
    SSG: 12
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  • 4
    Online Resource
    Online Resource
    Immigrant song: males and females learn songs after dispersal in a tropical bird
    Oxford University Press (OUP) ; 2018
    In:  Behavioral Ecology Vol. 29, No. 3 ( 2018-05-09), p. 711-723
    Details
    In: Behavioral Ecology, Oxford University Press (OUP), Vol. 29, No. 3 ( 2018-05-09), p. 711-723
    Type of Medium: Online Resource
    ISSN: 1045-2249 , 1465-7279
    URL: Article
    DOI: 10.1093/beheco/ary029
    RVK:
    WA 15000
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2018
    detail.hit.zdb_id: 1496189-1
    SSG: 12
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  • 5
    Online Resource
    Online Resource
    Parallel evolutionary forces influence the evolution of male and female songs in a tropical songbird
    Wiley ; 2018
    In:  Journal of Evolutionary Biology Vol. 31, No. 7 ( 2018-07), p. 979-994
    Details
    In: Journal of Evolutionary Biology, Wiley, Vol. 31, No. 7 ( 2018-07), p. 979-994
    Abstract: Given the important role that animal vocalizations play in mate attraction and resource defence, acoustic signals are expected to play a significant role in speciation. Most studies, however, have focused on the acoustic traits of male animals living in the temperate zone. In contrast to temperate environments, in the tropics, it is commonplace for both sexes to produce complex acoustic signals. Therefore, tropical birds offer the opportunity to compare the sexes and provide a more comprehensive understanding of the evolution of animal signals. In this study, we quantified patterns of acoustic variation in Rufous‐and‐white Wrens ( Thryophilus rufalbus ) from five populations in Central America. We quantified similarities and differences between male and female songs by comparing the role that acoustic adaptation, cultural isolation and neutral genetic divergence have played in shaping acoustic divergence. We found that males and females showed considerable acoustic variation across populations, although females exhibited greater population divergence than males. Redundancy analysis and partial‐redundancy analysis revealed significant relationships between acoustic variation and ecological variables, genetic distance, and geographic distance. Both ambient background noise and geographic distance explained a high proportion of variance for both males and females, suggesting that both acoustic adaptation and cultural isolation influence song. Overall, our results indicate that parallel evolutionary forces act on male and female acoustic signals and highlight the important role that cultural drift and selection play in the evolution of both male and female songs.
    Type of Medium: Online Resource
    ISSN: 1010-061X , 1420-9101
    URL: Issue
    URL: Article
    DOI: 10.1111/jeb.2018.31.issue-7
    DOI: 10.1111/jeb.13279
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 92624-3
    detail.hit.zdb_id: 1465318-7
    SSG: 12
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  • 6
    Online Resource
    Online Resource
    Environmental DNA detection of rare and invasive fish species in two Great Lakes tributaries
    Wiley ; 2018
    In:  Molecular Ecology Vol. 27, No. 1 ( 2018-01), p. 112-127
    Details
    In: Molecular Ecology, Wiley, Vol. 27, No. 1 ( 2018-01), p. 112-127
    Abstract: The extraction and characterization of DNA from aquatic environmental samples offers an alternative, noninvasive approach for the detection of rare species. Environmental DNA , coupled with PCR and next‐generation sequencing (“metabarcoding”), has proven to be very sensitive for the detection of rare aquatic species. Our study used a custom‐designed group‐specific primer set and next‐generation sequencing for the detection of three species at risk (Eastern Sand Darter, Ammocrypta pellucida ; Northern Madtom, Noturus stigmosus ; and Silver Shiner, Notropis photogenis ), one invasive species (Round Goby, Neogobius melanostomus ) and an additional 78 native species from two large Great Lakes tributary rivers in southern Ontario, Canada: the Grand River and the Sydenham River. Of 82 fish species detected in both rivers using capture‐based and eDNA methods, our eDNA method detected 86.2% and 72.0% of the fish species in the Grand River and the Sydenham River, respectively, which included our four target species. Our analyses also identified significant positive and negative species co‐occurrence patterns between our target species and other identified species. Our results demonstrate that eDNA metabarcoding that targets the fish community as well as individual species of interest provides a better understanding of factors affecting the target species spatial distribution in an ecosystem than possible with only target species data. Additionally, eDNA is easily implemented as an initial survey tool, or alongside capture‐based methods, for improved mapping of species distribution patterns.
    Type of Medium: Online Resource
    ISSN: 0962-1083 , 1365-294X
    URL: Issue
    URL: Article
    DOI: 10.1111/mec.2018.27.issue-1
    DOI: 10.1111/mec.14395
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 2020749-9
    detail.hit.zdb_id: 1126687-9
    SSG: 12
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  • 7
    Online Resource
    Online Resource
    Variation in juvenile Chinook salmon ( Oncorhynchus tshawytscha ) transcription profiles among and within eight population crosses from British Columbia, Canada
    Wiley ; 2019
    In:  Molecular Ecology Vol. 28, No. 8 ( 2019-04), p. 1890-1903
    Details
    In: Molecular Ecology, Wiley, Vol. 28, No. 8 ( 2019-04), p. 1890-1903
    Abstract: Phenotypic differences among populations within a species have been reported for a variety of traits, ranging from life history to physiology to gene transcription. Population‐level phenotypic variation has been attributed to genetic differences resulting from genetic drift and/or local adaptation as well as environmental differences resulting from plasticity. We studied population‐ and family‐level variation in gene transcription for 22 fitness‐related genes, comprising immune, growth, metabolic, and stress processes in Chinook salmon ( Oncorhynchus tshawytscha ). We created hybrid Chinook salmon families from eight populations and treated them with an immune stimulus, a handling stress challenge, and held some as a no‐treatment control group. Population effects, sire effects, and narrow‐sense heritability ( h 2 ) were calculated for each candidate gene within each treatment group. We expected population to have a significant effect on gene transcription for many of our genes; however, we found a population effect for transcription at only one immune gene at rest. The limited number of significant population effects on gene transcription, combined with significant additive genetic variance within each population does not support the expectation of past strong selection pressures acting on heritable transcription profiles among populations. Instead, our results indicate that Chinook salmon likely adapt to their local environment through transcriptional plasticity rather than fixed differences. The expectation for fixed population‐level differences in gene transcription at fitness‐related genes, reflecting accepted models of local adaptation is high; however, comparisons among multiple populations using half‐sibling breeding designs are rare. Our work fills an important gap in our growing understanding of the process of among and within‐population divergence.
    Type of Medium: Online Resource
    ISSN: 0962-1083 , 1365-294X
    URL: Issue
    URL: Article
    DOI: 10.1111/mec.2019.28.issue-8
    DOI: 10.1111/mec.15025
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2020749-9
    detail.hit.zdb_id: 1126687-9
    SSG: 12
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  • 8
    Online Resource
    Online Resource
    Inbreeding, outbreeding and environmental effects on genetic diversity in 46 walleye ( Sander vitreus ) populations
    Wiley ; 2006
    In:  Molecular Ecology Vol. 15, No. 2 ( 2006-02), p. 303-320
    Details
    In: Molecular Ecology, Wiley, Vol. 15, No. 2 ( 2006-02), p. 303-320
    Abstract: Genetic diversity is recognized as an important population attribute for both conservation and evolutionary purposes; however, the functional relationships between the environment, genetic diversity, and fitness‐related traits are poorly understood. We examined relationships between selected lake parameters and population genetic diversity measures in 46 walleye ( Sander vitreus ) populations across the province of Ontario, Canada, and then tested for relationships between six life history traits (in three categories: growth, reproductive investment, and mortality) that are closely related to fitness, and genetic diversity measures (heterozygosity, d 2 , and Wright's inbreeding coefficient). Positive relationships were observed between lake surface area, growing degree days, number of species, and hatchery supplementation versus genetic diversity. Walleye early growth rate was the only life history trait significantly correlated with population heterozygosity in both males and females. The relationship between F IS and male early growth rate was negative and significant ( P  〈  0.01) and marginally nonsignificant for females ( P =  0.06), consistent with inbreeding depression effects. Only one significant relationship was observed for d 2 : female early growth rate ( P  〈  0.05). Stepwise regression models showed that surface area and heterozygosity had a significant effect on female early growth rate, while hatchery supplementation, surface area and heterozygosity had a significant effect on male early growth rate. The strong relationship between lake parameters, such as surface area, and hatchery supplementation, versus genetic diversity suggests inbreeding and outbreeding in some of the populations; however, the weak relationships between genetic diversity and life history traits indicate that inbreeding and outbreeding depression are not yet seriously impacting Ontario walleye populations.
    Type of Medium: Online Resource
    ISSN: 0962-1083 , 1365-294X
    URL: Issue
    URL: Article
    DOI: 10.1111/mec.2006.15.issue-2
    DOI: 10.1111/j.1365-294X.2005.02637.x
    RVK:
    WA 15000
    Language: English
    Publisher: Wiley
    Publication Date: 2006
    detail.hit.zdb_id: 2020749-9
    detail.hit.zdb_id: 1126687-9
    SSG: 12
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  • 9
    Online Resource
    Online Resource
    Additive and non-additive genetic components of the jack male life history in Chinook salmon (Oncorhynchus tshawytscha)
    Springer Science and Business Media LLC ; 2016
    In:  Genetica Vol. 144, No. 4 ( 2016-8), p. 477-485
    Details
    In: Genetica, Springer Science and Business Media LLC, Vol. 144, No. 4 ( 2016-8), p. 477-485
    Type of Medium: Online Resource
    ISSN: 0016-6707 , 1573-6857
    URL: Article
    DOI: 10.1007/s10709-016-9917-y
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2016
    detail.hit.zdb_id: 1478063-X
    SSG: 12
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  • 10
    Online Resource
    Online Resource
    Response to Comment on "Rapid Evolution of Egg Size in Captive Salmon" (II)
    American Association for the Advancement of Science (AAAS) ; 2003
    In:  Science Vol. 302, No. 5642 ( 2003-10-03), p. 59-59
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 302, No. 5642 ( 2003-10-03), p. 59-59
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1088250
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2003
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
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