2016
DOI: 10.1007/s10592-016-0824-7
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Applying landscape genetics to evaluate threats affecting endangered Atlantic salmon populations

Abstract: Landscape genetics affords a potential analysis framework to evaluate the effect of contemporary land use on endangered species at a population level. However, historical patterns of population connectivity need to be accounted for prior to testing for the contemporary effect of threats. The goals of this study were to (1) optimally describe historical patterns in population connectivity for a diadromous fish species before (2) evaluating whether residual genetic variation was correlated with ecological change… Show more

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Cited by 6 publications
(8 citation statements)
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References 97 publications
(113 reference statements)
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“…For example, migration distance (Dionne et al., ) and conditions along migratory routes are important factors influencing salmon population structure (Hecht, Matala, Hess, & Narum, ; Micheletti, Matala, Matala, & Narum, ) and may be confounded with temperature due to the relative geographic isolation of Lake Melville. The inclusion of additional environmental parameters, such as land use (Micheletti et al., ), water quality measures (Bowlby, Fleming, & Gibson, ; Bradbury et al., ), salinity and pathogen or parasite diversity (Dionne, Miller, Dodson, & Bernatchez, ), may provide further insight into the mechanisms influencing spatial structure in the region. Admittedly, the use of air temperature as a proxy for temperature in fresh water lacks consideration of water depth and may be erroneous, particularly across small spatial scales (Hansen, Read, Hansen, & Winslow, ).…”
Section: Discussionmentioning
confidence: 99%
“…For example, migration distance (Dionne et al., ) and conditions along migratory routes are important factors influencing salmon population structure (Hecht, Matala, Hess, & Narum, ; Micheletti, Matala, Matala, & Narum, ) and may be confounded with temperature due to the relative geographic isolation of Lake Melville. The inclusion of additional environmental parameters, such as land use (Micheletti et al., ), water quality measures (Bowlby, Fleming, & Gibson, ; Bradbury et al., ), salinity and pathogen or parasite diversity (Dionne, Miller, Dodson, & Bernatchez, ), may provide further insight into the mechanisms influencing spatial structure in the region. Admittedly, the use of air temperature as a proxy for temperature in fresh water lacks consideration of water depth and may be erroneous, particularly across small spatial scales (Hansen, Read, Hansen, & Winslow, ).…”
Section: Discussionmentioning
confidence: 99%
“…To determine whether there was evidence of isolation by distance (IBD), the test provided by Mantel (Mantel, 1967; Sokal, 1979) was performed in the VEGAN package of the R software, version 3.4.2 (Oksanen et al, 2019; R Core Team, 2019) using Spearman's correlation, Euclidean dissimilarity indices for geographic distances, and the Bray–Curtis index for genetic distances. These values were used in the interindividual genetic analyses due to their consistent performance in this context; they effectively replace the genetic distances commonly used in population analyses (Bowlby et al., 2016; Shirk et al., 2017).…”
Section: Methodsmentioning
confidence: 99%
“…Cluster analysis was also performed in PAST (Hammer et al, 2001) using the same subdivision and Bray-Curtis index (Bowlby et al, 2016;Shirk et al, 2017), according to the Neighbor-Joining (NJ) method (Saitou and Nei, 1987). The nodes were supported by bootstrap analysis with 10,000 replicates.…”
Section: Statistical Analysesmentioning
confidence: 99%
“…We refer readers to Legendre and Fortin () and Legendre, Fortin, Borcard, and Peres‐Neto () for reviews on the discussion. Typical methods include multiple‐regression on distance matrices (MRDM; Bowlby et al, ; Diniz‐Filho, Nabout, Telles, Soares, & Rangel, 2009b; Kanno et al, ), causal modeling (Cushman et al, ; Cushman, Wasserman, Landguth, & Shirk, ), ordination techniques (Kierepka & Latch, ), and regression modeling (Hand et al, ), but the most common tools are the Mantel test and its derivatives (Mantel, ; Smouse, Lone, & Sokal, ; Storfer et al, ; Zeller et al, ).…”
Section: Applying the Mechanics Of Lg To Riverscapesmentioning
confidence: 99%