Quaternary Cave Faunas of Canada: A Review of the Vertebrate Remains

Harington, C. R.

doi:10.4311/jcks2009pa128

Cited by 17 publications

(8 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…; Fig. ) of the species tree from well‐dated fossils of North American zapodids (Hibbard ; Klingener ; Kurtén & Anderson ; Hafner ; Ruez & Bell ; Harington ) and correspond to paleodistribution reconstructions (see below) and established estimates of spatiotemporal divergence. We used a strict molecular clock (0.05) for the mtDNA data set and estimated clocks for nDNA.…”

Section: Methodsmentioning

confidence: 84%

“…Analyses were setup in BEAUTI, v. 1.7.0, and run with BEAST, v.1.7.0. Fossil validation points for divergences were used at several nodes (McCormack et al 2011;Fig. 2) of the species tree from well-dated fossils of North American zapodids (Hibbard 1941;Klingener 1966;Kurt en & Anderson 1980;Hafner 1993;Ruez & Bell 2004;Harington 2011) and correspond to paleodistribution reconstructions (see below) and established estimates of spatiotemporal divergence. We used a strict molecular clock (0.05) for the mtDNA data set and estimated clocks for nDNA.…”

Section: Species-tree Estimation and Divergencementioning

confidence: 99%

See 1 more Smart Citation

Using biogeographical history to inform conservation: the case of Preble's meadow jumping mouse

Malaney

Cook

2013

Molecular Ecology

View full text Add to dashboard Cite

The last Pleistocene deglaciation shaped temperate and boreal communities in North America. Rapid northward expansion into high latitudes created distinctive spatial genetic patterns within species that include closely related groups of populations that are now widely spread across latitudes, while longitudinally adjacent populations, especially those near the southern periphery, often are distinctive due to long-term disjunction. Across a spatial expanse that includes both recently colonized and long-occupied regions, we analysed molecular variation in zapodid rodents to explore how past climate shifts influenced diversification in this group. By combining molecular analyses with species distribution modelling and tests of ecological interchangeability, we show that the lineage including the Preble's meadow jumping mouse (Zapus hudsonius preblei), a US federally listed taxon of conservation concern, is not restricted to the southern Rocky Mountains. Rather, populations along the Front Range are part of a single lineage that is ecologically indistinct and extends to the far north. Of the 21 lineages identified, this Northern lineage has the largest geographical range and low measures of intralineage genetic differentiation, consistent with recent northward expansion. Comprehensive sampling combined with coalescent-based analyses and niche modelling leads to a radically different view of geographical structure within jumping mice and indicates the need to re-evaluate their taxonomy and management. This analysis highlights a premise in conservation biology that biogeographical history should play a central role in establishing conservation priorities.

show abstract

Section: Methodsmentioning

confidence: 84%

Section: Species-tree Estimation and Divergencementioning

confidence: 99%

Using biogeographical history to inform conservation: the case of Preble's meadow jumping mouse

Malaney

Cook

2013

Molecular Ecology

View full text Add to dashboard Cite

show abstract

“…S3), the shallower fossil dates are extending only to the Wisconsinan glaciation in Idaho, Wyoming, Colorado, and New Mexico (Schultz and Howard ; Anderson ; Harris ; Hager ; Walkerd ; White et al. ) and postglacial locations in Alberta and British Columbia (Harington ). The absence of older fossils, especially at the northern extent of their range where we suspect refugial persistence (Guthrie ; Youngman ), may reflect poor preservation, lack of exploration of the region, or simply the difficulty of distinguishing vole fossil teeth (Harington ).…”

Section: Discussionmentioning

confidence: 99%

Phylogeographic structure in long‐tailed voles (Rodentia: Arvicolinae) belies the complex Pleistocene history of isolation, divergence, and recolonization of Northwest North America's fauna

Sawyer

Cook

2016

Ecology and Evolution

View full text Add to dashboard Cite

Quaternary climate fluctuations restructured biodiversity across North American high latitudes through repeated episodes of range contraction, population isolation and divergence, and subsequent expansion. Identifying how species responded to changing environmental conditions not only allows us to explore the mode and tempo of evolution in northern taxa, but also provides a basis for forecasting future biotic response across the highly variable topography of western North America. Using a multilocus approach under a Bayesian coalescent framework, we investigated the phylogeography of a wide‐ranging mammal, the long‐tailed vole, Microtus longicaudus. We focused on populations along the North Pacific Coast to refine our understanding of diversification by exploring the potentially compounding roles of multiple glacial refugia and more recent fragmentation of an extensive coastal archipelago. Through a combination of genetic data and species distribution models (SDMs), we found that historical climate variability influenced contemporary genetic structure, with multiple isolated locations of persistence (refugia) producing multiple divergent lineages (Beringian or northern, southeast Alaska or coastal, and southern or continental) during glacial advances. These vole lineages all occur along the North Pacific Coast where the confluence of numerous independent lineages in other species has produced overlapping zones of secondary contact, collectively a suture zone. Finally, we detected high levels of neoendemism due to complex island geography that developed in the last 10,000 years with the rising sea levels of the Holocene.

show abstract

“…The high vagility of bats and the behavioral flexibility in roosting exhibited by M. lucifugus (Fenton and Barclay ) may mean that they could have closely tracked forest recolonization including use of early open‐stand forests through to their replacement by closed‐stand forests. The presence of caves containing fossil Quarternary mammals in an area just north of our study area (Gaspé, Quebec; Harington ) suggests that some underground sites have a long history of existence in the region that could facilitate the hibernation requirements of bats as they recolonized forested areas.…”

Section: Discussionmentioning

confidence: 99%

Genetic connectivity among swarming sites in the wide ranging and recently declining little brown bat (Myotis lucifugus)

Burns

Frasier

Broders

2014

Ecology and Evolution

View full text Add to dashboard Cite

Characterizing movement dynamics and spatial aspects of gene flow within a species permits inference on population structuring. As patterns of structuring are products of historical and current demographics and gene flow, assessment of structure through time can yield an understanding of evolutionary dynamics acting on populations that are necessary to inform management. Recent dramatic population declines in hibernating bats in eastern North America from white-nose syndrome have prompted the need for information on movement dynamics for multiple bat species. We characterized population genetic structure of the little brown bat, Myotis lucifugus, at swarming sites in southeastern Canada using 9 nuclear microsatellites and a 292-bp region of the mitochondrial genome. Analyses of FST, ΦST, and Bayesian clustering (STRUCTURE) found weak levels of genetic structure among swarming sites for the nuclear and mitochondrial genome (Global FST = 0.001, P < 0.05, Global ΦST = 0.045, P < 0.01, STRUCTURE K = 1) suggesting high contemporary gene flow. Hierarchical AMOVA also suggests little structuring at a regional (provincial) level. Metrics of nuclear genetic structure were not found to differ between males and females suggesting weak asymmetries in gene flow between the sexes. However, a greater degree of mitochondrial structuring does support male-biased dispersal long term. Demographic analyses were consistent with past population growth and suggest a population expansion occurred from approximately 1250 to 12,500 BP, following Pleistocene deglaciation in the region. Our study suggests high gene flow and thus a high degree of connectivity among bats that visit swarming sites whereby mainland areas of the region may be best considered as one large gene pool for management and conservation.

show abstract

Quaternary Cave Faunas of Canada: A Review of the Vertebrate Remains

Cited by 17 publications

References 19 publications

Using biogeographical history to inform conservation: the case of Preble's meadow jumping mouse

Using biogeographical history to inform conservation: the case of Preble's meadow jumping mouse

Phylogeographic structure in long‐tailed voles (Rodentia: Arvicolinae) belies the complex Pleistocene history of isolation, divergence, and recolonization of Northwest North America's fauna

Genetic connectivity among swarming sites in the wide ranging and recently declining little brown bat (Myotis lucifugus)

Contact Info

Product

Resources

About