Gene flow among population of a teleost (painted greenling, Oxylebius pictus) from Puget Sound to southern California

1981 ◽  
Vol 65 (1) ◽  
pp. 17-23 ◽  
Author(s):  
B. J. Davis ◽  
E. E. De Martini ◽  
K. McGee
Keyword(s):  
Gene Flow ◽  
Southern California ◽  
Puget Sound

Inter-dialect dispersal is common in the Puget Sound white-crowned sparrow

Behaviour ◽  
2017 ◽  
Vol 154 (7-8) ◽  
pp. 809-834
Author(s):  
Douglas A. Nelson ◽  
Ben M. Nickley ◽  
Angelika Poesel ◽  
H. Lisle Gibbs ◽  
John W. Olesik
Keyword(s):  
Gene Flow ◽  
Inductively Coupled Plasma ◽  
Puget Sound ◽  
Trace Element Analysis ◽  
The Body ◽  
Element Analysis ◽  
Inductively Coupled ◽  
Genetic Structure Of Populations ◽  
Song Dialects ◽  
Plasma Mass Spectrometry

Dispersal in birds can have an important influence on the genetic structure of populations by affecting gene flow. In birds that learn their songs, dispersal can affect the ability of male birds to share songs in song dialects and may influence mate attraction. We used Inductively Coupled Plasma Mass Spectrometry (ICP-MS) trace element analysis on the body feathers of birds to assess dispersal among four song dialects. We found that (1) most males had a feather element profile typical of only one dialect location; (2) males singing non-local (‘foreign’) dialects in a focal population often learned their foreign songs outside the dialect; and (3) females often dispersed among dialects. We estimated 5% dispersal per year by yearling males between the site of moulting and breeding. Our estimate is consistent with genetic estimates of widespread gene flow between dialects in this subspecies of the white-crowned sparrow.

scholarly journals High levels of gene flow among song dialect populations of the Puget Sound white-crowned sparrow

Ethology ◽  
2017 ◽  
Vol 123 (9) ◽  
pp. 581-592 ◽  
Author(s):  
Angelika Poesel ◽  
Anthony C. Fries ◽  
Lisa Miller ◽  
H. Lisle Gibbs ◽  
Jill A. Soha ◽  
...  
Keyword(s):  
Gene Flow ◽  
Puget Sound ◽  
Song Dialect

A southern California freeway is a physical and social barrier to gene flow in carnivores

2006 ◽  
Vol 15 (7) ◽  
pp. 1733-1741 ◽  
Author(s):  
SETH P. D. RILEY ◽  
JOHN P. POLLINGER ◽  
RAYMOND M. SAUVAJOT ◽  
ERIC C. YORK ◽  
CASSITY BROMLEY ◽  
...  
Keyword(s):  
Gene Flow ◽  
Southern California

scholarly journals Shifting-balance stock structure in North Pacific walleye pollock (Gadus chalcogrammus)

2010 ◽  
Vol 67 (8) ◽  
pp. 1687-1696 ◽  
Author(s):  
W. Stewart Grant ◽  
Ingrid Spies ◽  
Michael F. Canino
Keyword(s):  
Gene Flow ◽  
North Pacific ◽  
Puget Sound ◽  
Walleye Pollock ◽  
Ice Age ◽  
Stock Structure ◽  
Long Distance ◽  
The North ◽  
Shifting Balance ◽  
The North Pacific

Abstract Grant, W. S., Spies, I., and Canino, M. F. 2010. Shifting-balance stock structure in North Pacific walleye pollock (Gadus chalcogrammus). – ICES Journal of Marine Science, 67: 1687–1696. High levels of gene flow are expected to produce genetic homogeneity among open-ocean populations of walleye pollock (Gadus chalcogrammus) because of few restrictions on migration. Although most genetic studies confirm this prediction, many surveys of morphology have detected differences among populations. Here, sequences of mitochondrial DNA cytochrome oxidase subunit I in nine samples (n = 433) from Japan to Puget Sound were used to evaluate genetic population structure. Two haplotypes varied clinally across the North Pacific. These clines are likely the result of the isolation of populations in ice-age refugia, secondary post-glacial contact, and restricted long-distance dispersal. Overall, ΦST = 0.030 (p < 0.001), but the greatest partition was attributable to differences between Asian and North American populations (ΦCT = 0.058, p = 0.036). Isolation by distance was detected across the North Pacific, but differentiation among populations within regions was minimal (ΦSC = 0.007, p < 0.092). Climate variability on decadal–centennial scales produces shifts in local abundance, which prevent the appearance of genetically discrete stocks. These cycles of boom and bust, combined with high levels of gene flow, lead to different stock structures, as viewed with morphological, life history, and genetic markers.

Genetic Structure of Anadromous Cutthroat Trout (Salmo clarki clarki) Populations in the Puget Sound Area: Evidence for Restricted Gene Flow

1987 ◽  
Vol 44 (3) ◽  
pp. 573-582 ◽  
Author(s):  
Donald E. Campton ◽  
Fred M. Utter
Keyword(s):  
Gene Flow ◽  
Gene Diversity ◽  
Genetic Relationships ◽  
Puget Sound ◽  
Cutthroat Trout ◽  
Restricted Gene Flow ◽  
Pleistocene Glaciation ◽  
Expected Heterozygosity ◽  
Coastal Cutthroat Trout ◽  
Salmo Clarki

Genetic relationships among anadromous populations of coastal cutthroat trout (Salmo clarki clarki) in the Puget Sound area (United States) were investigated by electrophoretic methods between successive year classes within streams (populations), among streams within drainages, between drainages within each of two regions separated by Puget Sound, and between the two regions. Average allele frequencies for fish from the two regions differed by approximately 0.10 at several polymorphic loci, suggesting that gene flow between the two regions is restricted. Despite this divergence, the sampled populations were all very similar genetically (Nei's I > 0.97), possibly reflecting a common ancestral invasion following Pleistocene glaciation. The total gene diversity (expected heterozygosity) was 0.101 and was partitioned as follows: between regions, 1.24%; between drainages, 1.01%; among streams, 2.41%; between year classes, 1.17%; within individual year class samples, 94.2%. In addition, stream effects were significant in 7 of 12 intralocus ANOVA comparisons, suggesting that populations were structured genetically at this level of subdivision. This latter result may be reflecting the homing instinct of spawning adults.

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