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Ecology and Evolution – Issue 2.6 Now Live!

June 14, 2012

Ecology and Evolution issue 2 6Issue 2.6 of Ecology and Evolution is now live! The cover features an image from the paper by Rollins and colleagues. This, and another top article are highlighted below:

purple_lock_open The role of the Ord Arid Intrusion in the historical and contemporary genetic division of long-tailed finch subspecies in northern Australia
by Lee Ann Rollins, Nina Svedin, Sarah R. Pryke and Simon C. Griffith
Abstract: Evidence from many taxa distributed across northern Australia indicates that the Ord Arid Intrusion has acted as an agent of vicariance. It has been suggested that subspecies of the long-tailed finch (Poephila acuticauda) arose as a result of this historical biogeographic barrier. Using mitochondrial sequence data and samples taken across the range of this species, we test this hypothesis. Further, changes to climate since the last glacial maximum have resulted in a reconnection of habitat on either side of this historical biogeographic barrier. We also estimate levels of contemporary gene flow within this species complex using microsatellite data to determine if genetic mixing between subspecies has occurred following secondary contact.

purple_lock_open Within and between population variation in plant traits predicts ecosystem functions associated with a dominant plant species
by Lauren C. Breza, Lara Souza, Nathan J. Sanders and Aimée T. Classen
Abstract: Our work is the first to measure intra-specific variation in performance traits and physiological traits within an ecologically relevant plant species elucidating potential implications towards ecosystem-level carbon dynamics in both northern and southern geographic ranges. We also link intra-specific variation in performance traits to better explain ecosystem-level carbon dynamics.

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