Author: Kduffy3

Ecosystem Services Paper

Check our paper on ecosystem services just published in Frontiers in Ecology and the Environment. Ecosystem services have been extensively studied in recent decades. Most of the thousands of scholarly papers published on the subject have focused on describing the production, spatial extent, and valuation of such services. Human reliance on ecosystem services is a function of ecosystems’ capacity to supply…

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Congratulations to Laureano Gherardi on earning his PhD! Lau’s dissertation, titled “The Effects of Interannual Precipitation Variability on the Functioning of Grasslands,” was accepted with his defense in November. Lau will now be continuing his work for the Sala Lab as a post-doctoral researcher.


We welcome Laura Yahdjian to the Sala Lab. Laura is a visiting professor from the University of Buenos Aires who works in grassland ecosystems. She has carried out important work on water controls on decomposition and nitrogen cycling in arid ecosystems. She is currently interested on the effects of land use on greenhouse-gas emissions. During her stay at ASU, Laura…

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Newly published nitrogen study

A new paper has come out from the Sala Lab in Oecologia. The paper entitled “Preference for different inorganic nitrogen forms among plant functional types and species of the Patagonian steppe” shows that shrubs and grasses absorb preferentially different forms of inorganic nitrogen. Grasses which have fibrous and shallow roots absorb inorganic N mainly as ammonium, which is the main…

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