Genetic structure of rhinoceros auklets, Cerorhinca monocerata, breeding in British Columbia, Alaska, and Japan

Abbott, Cathryn L.; Millikin, Rhonda L.; Hipfner, Mark; Hatch, Scott A.; Ito, Motohiro; Watanuki, Yutaka; Burg, Theresa M.

doi:10.1007/s00227-013-2333-2

Cited by 10 publications

(25 citation statements)

References 52 publications

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“…Population differentiation has been reported for several other species of alcid (Moum and Arnason , Friesen et al , Birt et al , Birt et al Vásquez‐Carrillo et al 2013, Abbott et al , Wallace et al ). Genetic differentiation in mtDNA among Asian and American populations similar to that in whiskered auklets has also been reported for other bird and mammal species (Cronin et al , Congdon et al , Holder et al , Patirana et al , Westlake and O'Corry‐Crowe ).…”

Section: Discussionmentioning

confidence: 78%

“…showed that the power of our microsatellite analysis was not very high, and could also be a result of small sample sizes or a small number of loci used. Population differentiation has been reported for several other species of alcid (Moum and Arnason 2001, Birt et al 2011, Vásquez-Carrillo et al 2013, Abbott et al 2014, Wallace et al 2015. Genetic differentiation in mtDNA among Asian and American populations similar to that in whiskered auklets has also been reported for other bird and mammal species (Cronin et al 1996, Congdon et al 2000, Holder et al 2000, Patirana et al 2002, Westlake and O'Corry-Crowe 2002.…”

Section: Discussionmentioning

confidence: 81%

“…We know of only one study on this topic: of the rhinoceros auklet Cerorhynca monocerata , which is also nocturnal at some colonies and diurnal at the others (Gaston and Jones ). Abbott et al () showed that strong genetic differentiation in this species was consistent with separation of nocturnal and diurnal colonies, although geographic distance may also have contributed to the differentiation. More studies are needed before we can determine if the colony attendance rhythms are good markers of strong population differentiation within other seabird species.…”

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confidence: 77%

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Population differentiation in whiskered auklets Aethia pygmaea: do diurnal and nocturnal colonies differ in genetics, morphometry and acoustics?

Pshenichnikova

Klenova

Сорокин

et al. 2017

Journal of Avian Biology

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Despite a great number of empirical studies, the mechanisms of population differentiation and the factors that influence this process, particularly in seabirds, remain insufficiently understood. Here we analyzed population structure in the whiskered auklet Aethia pygmaea, a previously poorly studied alcid species with unusual differentiation in colony attendance rhythms (i.e. diurnal in the Sea of Okhotsk vs nocturnal in the Bering Sea), and examined the influence of it on intraspecific differentiation. For this study, we analyzed morphometric measurements, acoustic variables, mitochondrial control region fragment and five microsatellite loci from nine whiskered auklet colonies spanning the breeding range. Previous research has shown a clinal morphometric variation in this species. We build on this analysis by adding auklets from more colonies, for the first time analyzing vocalizations from different colonies and genetic structure of this species. Our data supports a clinal variation in morphometric and acoustic characters with the largest size and the lowest call frequency in western birds, and the smallest size and highest call frequency in the east. We also found two mitochondrial lineages – whiskered auklets from colonies in the Sea of Okhotsk and the Commander Is. (Bering Sea) and from the Aleutian Is. (Bering Sea), that were presumably formed during Sangamonian interglacial period (115 000–130 000 years ago). Genetic clusters found did not reflect differences in colony attendance rhythms, suggesting that they were shaped by other factors (e.g. differences in predator pressure) and are unlikely to have participated in the formation of population structure. Colony fidelity, mobility of birds, proximity of foraging grounds and location of colonies in relation to seasonal ice pack, seem to be more likely determinants of population differentiation.

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Section: Discussionmentioning

confidence: 78%

Section: Discussionmentioning

confidence: 81%

mentioning

confidence: 77%

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Population differentiation in whiskered auklets Aethia pygmaea: do diurnal and nocturnal colonies differ in genetics, morphometry and acoustics?

Pshenichnikova

Klenova

Сорокин

et al. 2017

Journal of Avian Biology

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“…Here, we test the hypothesis that segregation in wintering areas is associated with genetic differentiation in the rhinoceros auklet, a widely-distributed North Pacific seabird that exhibits extensive and complex population genetic structuring [32]. The migratory movements of the species in the eastern Pacific are poorly known, however, beyond a putative southward postbreeding trajectory, e.g., "the bulk of the population appears to winter off California" [33]; "winters mostly offshore and along coasts, in North America mainly from southern British Columbia (casually from SE Alaska) south to Baja California" [34].…”

Section: Introductionmentioning

confidence: 99%

“…The migratory movements of the species in the eastern Pacific are poorly known, however, beyond a putative southward postbreeding trajectory, e.g., "the bulk of the population appears to winter off California" [33]; "winters mostly offshore and along coasts, in North America mainly from southern British Columbia (casually from SE Alaska) south to Baja California" [34]. Our approach was to expand on the study of Abbott et al [32] by increasing sample sizes for microsatellites, individuals, and colonies, while concurrently deploying light-level geolocator (GLS) tags to track the migration of rhinoceros auklets from 12 colonies distributed more-or-less continuously along the Pacific Ocean coastline from California to the Alaska Peninsula. For all colony-pairs, we then correlated the standardized measure of genetic differentiation (Fꞌ ST ) with the extent of spatial overlap in wintering areas.…”

Section: Introductionmentioning

confidence: 99%

Geolocator tagging links distributions in the non-breeding season to population genetic structure in a sentinel North Pacific seabird

et al. 2020

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We tested the hypothesis that segregation in wintering areas is associated with population differentiation in a sentinel North Pacific seabird, the rhinoceros auklet (Cerorhinca monocerata). We collected tissue samples for genetic analyses on five breeding colonies in the western Pacific Ocean (Japan) and on 13 colonies in the eastern Pacific Ocean (California to Alaska), and deployed light-level geolocator tags on 12 eastern Pacific colonies to delineate wintering areas. Geolocator tags were deployed previously on one colony in Japan. There was strong genetic differentiation between populations in the eastern vs. western Pacific Ocean, likely due to two factors. First, glaciation over the North Pacific in the late Pleistocene might have forced a southward range shift that historically isolated the eastern and western populations. And second, deep-ocean habitat along the northern continental shelf appears to act as a barrier to movement; abundant on both sides of the North Pacific, the rhinoceros auklet is virtually absent as a breeder in the Aleutian Islands and Bering Sea, and no tagged birds crossed the North Pacific in the non-breeding season. While genetic differentiation was strongest between the eastern vs. western Pacific, there was also extensive differentiation within both regional groups. In pairwise comparisons among the eastern Pacific colonies, the standardized measure of genetic differentiation (FꞌST) was negatively correlated with the extent of spatial overlap in wintering areas. That result supports the hypothesis that segregation in the non-breeding season is linked to genetic structure. Philopatry and a neritic foraging habit probably also contribute to the structuring. Widely distributed, vulnerable to anthropogenic stressors, and exhibiting extensive genetic structure, the rhinoceros auklet is fully indicative of the scope of the conservation challenges posed by seabirds.

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Genetic–environment associations explain genetic differentiation and variation between western and eastern North Pacific rhinoceros auklet (Cerorhinca monocerata) breeding colonies

Graham,

Hipfner,

Wellband

et al. 2024

Ecology and Evolution

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Animals are strongly connected to the environments they live in and may become adapted to local environments. Examining genetic–environment associations of key indicator species, like seabirds, provides greater insights into the forces that drive evolution in marine systems. Here we examined a RADseq dataset of 19,213 SNPs for 99 rhinoceros auklets (Cerorhinca monocerata) from five western Pacific and 10 eastern Pacific breeding colonies. We used partial redundancy analyses to identify candidate adaptive loci and to quantify the effects of environmental variation on population genetic structure. We identified 262 candidate adaptive loci, which accounted for 3.0% of the observed genetic variation among western Pacific and eastern Pacific breeding colonies. Genetic variation was more strongly associated with pH and maximum current velocity, than maximum sea surface temperature. Genetic–environment associations explain genetic differences between western and eastern Pacific populations; however, genetic variation within the western and eastern Pacific Ocean populations appears to follow a pattern of isolation‐by‐distance. This study represents a first to quantify the relationship between environmental and genetic variation for this widely distributed marine species and provides greater insights into the evolutionary forces that act on marine species.

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Genetic structure of rhinoceros auklets, Cerorhinca monocerata, breeding in British Columbia, Alaska, and Japan

Cited by 10 publications

References 52 publications

Population differentiation in whiskered auklets Aethia pygmaea: do diurnal and nocturnal colonies differ in genetics, morphometry and acoustics?

Population differentiation in whiskered auklets Aethia pygmaea: do diurnal and nocturnal colonies differ in genetics, morphometry and acoustics?

Geolocator tagging links distributions in the non-breeding season to population genetic structure in a sentinel North Pacific seabird

Genetic–environment associations explain genetic differentiation and variation between western and eastern North Pacific rhinoceros auklet (Cerorhinca monocerata) breeding colonies

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