Lucía Vivanco

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The carbon balance in terrestrial ecosystems is determined by the difference between inputs from primary production and the return of carbon to the atmosphere through decomposition of organic matter. Our understanding of the factors that control carbon turnover in water-limited ecosystems is limited, however, as studies of litter decomposition have shown(More)
Plant species affect natural ecosystems through interactions between environmental and genetic factors. The importance of plant species in controlling decomposition is now well-established through its influence on litter quality, which affects mass loss and nutrient release. At the same time, direct species effects are often confounded with indirect site(More)
Methane (CH(4)) flux from ecosystems is driven by C(1)-cycling microorganisms - the methanogens and the methylotrophs. Little is understood about what regulates these communities, complicating predictions about how global change drivers such as nitrogen enrichment will affect methane cycling. Using a nitrogen addition gradient experiment in three Southern(More)
Salt marshes provide storm protection to shorelines, sequester carbon (C), and mitigate coastal eutrophication. These valuable coastal ecosystems are confronted with increasing nitrogen (N) inputs from anthropogenic sources, such as agricultural runoff, wastewater, and atmospheric deposition. To inform predictions of salt marsh functioning and(More)
We study, in a prospective and randomized way, the influence existing between nursing maneuvers (suctioning, bathing and turning) and Intracranial Pressure (ICP) in patients diagnosed of Intracranial Hypertension Syndrome (ICHT). The study includes 22 patients admitted in Intensive Care at Hospital Universitario San Carlos (HUSC), during one year. All the(More)
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