A5041238156- Freshwater macroinvertebrate diversity and ecology
- Soil and Water Nutrient Dynamics
- Fish Ecology and Management Studies
- Aquatic Ecosystems and Phytoplankton Dynamics
- Hydrology and Sediment Transport Processes
- Marine and coastal ecosystems
- Hydrology and Watershed Management Studies
- Water Quality and Pollution Assessment
- Diatoms and Algae Research
- Soil erosion and sediment transport
- Water Resource Management and Quality
- Atmospheric and Environmental Gas Dynamics
- Aquatic Invertebrate Ecology and Behavior
- Wastewater Treatment and Nitrogen Removal
- Microbial Community Ecology and Physiology
- Oceanographic and Atmospheric Processes
- Environmental Conservation and Management
- Water Governance and Infrastructure
- Fish biology, ecology, and behavior
- Mediterranean and Iberian flora and fauna
- Land Use and Ecosystem Services
- Water Quality Monitoring and Analysis
National University of Luján
2014-2024
Consejo Nacional de Investigaciones Científicas y Técnicas
2016-2024
Instituto de Ecología
2023
Laboratoire Microorganismes Génome et Environnement
2013
Clermont Université
2013
Université Clermont Auvergne
2013
Universitat de Barcelona
2007-2008
Universidad de Sevilla
2002
Abstract Many inland waters exhibit complete or partial desiccation, have vanished due to global change, exposing sediments the atmosphere. Yet, data on carbon dioxide (CO 2 ) emissions from these are too scarce upscale for estimates understand their fundamental drivers. Here, we present results of a survey covering 196 dry across diverse ecosystem types and climate zones. We show that CO share drivers constitute substantial fraction cycled by waters. were consistent zones, with local...
We assessed the effects of nutrient enrichment on three stream ecosystems running through distinct biomes (Mediterranean, Pampean and Andean). increased concentrations N P in water 1.6–4-fold following a before–after control–impact paired series (BACIPS) design each stream, evaluated changes biomass bacteria, primary producers, invertebrates fish enriched (E) versus control (C) reaches after addition predictive-BACIPS approach. The treatment produced variable responses (2–77% explained...
Summary 1. Wind is considered the dominant factor controlling phytoplankton distribution in lentic environments. In canyon‐shaped reservoirs, wind tends to blow along main axis generating internal seiches and advective water movements that jointly with biological features of algae can produce a heterogeneous distribution. Turbulence generated by stress convection will also affect vertical algae, depending on their sinking properties. 2. We investigated horizontal during stratification period...
Nutrient retention has been studied intensively in streams, but some mechanisms and processes are not yet entirely understood, especially open-canopy streams. We evaluated PO43−, as soluble reactive P (SRP), NH4+ uptake 2 chronically enriched Pampean streams with different macrophytic abundance. performed short-term nutrient additions to quantify SRP metrics throughout the year, we investigated which hydrological biological factors influenced uptake. The results showed that uptakes were high...
The theory of ecological stoichiometry holds that heterotrophs are mostly homeostatic and exhibit less variation in body than do autotrophs. Most studies stream foodweb have been done low-nutrient environments. Little is known about nutrient-rich streams, which a higher level stoichiometric homeostasis should be expected, mainly because imbalances between resources consumers low nutrient availability may meet biotic requirements. We analyzed elemental content (C, N, P) ratios (C∶N, C∶P, N∶P)...
The relative importance of phosphorus and nitrogen absorption fkom water sediments by Egeria densa Planch.(Hydrocharitaceae), a subinerged macropliyte very common in Pampean streams Argentina, was experiiiientally assesced.Two experiments were performed to determine the as opposed sediment cource phosphorus, investigate effect oftype nitrogenouc ion dissolved on uptake this species.In first experiment, concentration ofsoluble reactive i had an E. biomacc tissular phocphoruc...
By contrast to many natural lakes, the summer hypolimnion in advection-dominated systems like canyon-shaped reservoirs is not isolated from direct inputs river.This has important implications evolution of limnological features through stratified period, especially if river water directly plunges as a density current into consequence temperature differences.Taking Sau Reservoir (Spain) prototype for this kind systems, we present data 11 years monitoring show how entering reservoir during main...
In-stream nutrient retention is an important ecosystem function because it can regulate fate and export to downstream ecosystems. Temporal variation in streams has been studied extensively at the annual seasonal scale but less thoroughly diel scale. However, understanding temporal variability uptake increase of role photoautotrophic primary production on streams, especially open-canopy streams. We hypothesized that mostly depends autotrophic demand varies following pattern gross (GPP)....