Southern introgression increases adaptive immune gene variability in northern range margin populations of Fire‐bellied toad
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DOI: 10.1002/ece3.7805
Abstract: Abstract Northern range margin populations of the European fire‐bellied toad (Bombina bombina) have rapidly declined during recent decades. Extensive agricultural land use has fragmented the landscape, leading to habitat disruption and loss, as well as… read more here.
Keywords: range margin; gene; margin populations; northern range ... See more keywords
Trophic cascades at multiple spatial scales shape recovery of young aspen in Yellowstone
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DOI: 10.1016/j.foreco.2018.01.055
Abstract: Abstract Throughout much of the 20th century, the heights of young quaking aspen (Populus tremuloides) in Yellowstone National Park’s northern ungulate winter range were suppressed due to intensive herbivory by Rocky Mountain elk (Cervus elaphus).… read more here.
Keywords: spatial scales; trophic cascades; young aspen; northern range ... See more keywords
Predictors of Bachman's Sparrow Occupancy at its Northern Range Limit
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DOI: 10.1656/058.017.0108
Abstract: Abstract Peucaea aestivalis (Bachman's Sparrow), a songbird endemic to the southeastern US, has experienced long-term population declines and a northern range-boundary retraction. Habitat loss and degradation, largely related to fire suppression, are believed to be… read more here.
Keywords: sparrow occupancy; northern range; occupancy; predictors bachman ... See more keywords