Entries by danatwater

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New paper in ‘Ecology’

Testing the mechanisms of diversity-dependent overyielding in a grass species Atwater & Callaway (2016)(link) I’m very pleased to announce that Ray Callaway and I have just had a paper published in Ecology. In this paper, we find that genetically diverse populations of bluebunch wheatgrass (Pseudoroegneria spicata) yield about 50% more biomass than populations with low diversity. This […]

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New Paper in ‘AoB: Plants’

Root contact responses and the positive relationship between intraspecific diversity and ecosystem productivity Yang, Callaway & Atwater (2015) (link) I’m very pleased to announced that Lixue’s manuscript has just been accepted by Annals of Botany: Plants. In this paper, we find that bluebunch wheatgrass (Pseudorogneria spicata) plants are able to recognize the identity of their neighbors even […]

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WSSA 2015 – Lexington

On Thursday, at the Weed Science Society of America meeting in Lexington, I presented the results of a large scale survey of phenotypic differentiation in 499 accessions of Johnsongrass (Sorghum halepense) from 70 populations throughout the United States. Jacob Barney — my postdoctoral advisor — was initially scheduled to present, but I took his place […]