OSVALDO IVÁN ULLOA QUIJADA

Microbial Metagenomics of Oxigen Minimun Zones

Processes and patterns of oceanic nutrient limitation

" Pelagic Oxygen Monimum Zone Microbial"

Microbial metatranscriptomics in a permanent marine oxygen minimum zone

Temporal variability and phylogenetic characterization of planktonic anammox bacteria in the coastal upwelling ecosystem off central CHile

Metagenomes of the Picoalga Bathycoccus from the Chile Coastal Upwelling

Experimental Incubations Elicit Profound Changes in Community Transcription in OMZ Bacterioplankton

Microbial oceanography pf anopxic minimum zones

Phytoplankton community structure in a high-nutrient, low-chlorophyll region of the eastern Pacific Subantarctic region during winter-mixed and summer-stratified conditions

Oxygen minimum zones harbor novel viral communities with low diversity

Nitrogen Fixation in Denitrified Marine Waters

Water-Column Stratification Governs the Community Structure of Subtropical Marine Picophytoplankton

Abundance and phylogenetic identity of archaeoplankton in the permanent oxygen minimum zone of the eastern tropical South Pacific

Structure and seasonal dynamics of the eukaryotic picophytoplankton community in a wind-driven coastal upwelling ecosystem

Moored Profiler for High-Frequency Monitoring of Oceanic Microstructures

Natural and Human-Induced Hypoxia and Consequences for Coastal Areas: Synthesis and Future Development

High Diversity of Ammonia-Oxidizing Archaea in Permanent and Seasonal Oxygen-Deficient Waters of the Eastern South Pacific

A Cryptic Sulfur Cycle in Oxygen-Minimum-Zone Waters Off the Chilean Coast

Novel Lineages of Prochlorococcus Thrive Within the Oxygen Minimum Zone of the Eastern Tropical South Pacific

Determination of Ultra-Low Oxygen Concentrations in Oxygen Minimum Zones by the STOX Sensor

Controls on Sedimentary Nitrogen Isotopes Along the Chile Margin

The Oxygen Minimum Zone of the Eastern South Pacific

Anammox Bacteria and the Anaerobic Oxidation of Ammonium in the Oxygen Minimum Zone Off Northern Chile

Autonomous Observations of in vivo Fluorescence and Particle Backscattering in an Oceanic oxygen Minimumzone

Marine Pelagic Ecosystems

Global Phylogeography of Marine Synechococcus and Prochlorococcus Reveals a Distinct Partitioning of Lineages Among Oceanic Biomes

Impacts of Atmospheric Anthropogenic Nitrogen on the Open Ocean

Bacterial Diversity in the Oxygen Minimum Zone of the Eastern Tropical South Pacific

Heterotrophic Bacterial Production in the Eastern South Pacific: Longitudinal Trends and Coupling with Primary Production

Bosque: Integrated Phylogenetic Analysis Software

Air - Sea carbon dioxide fluxes in the coastal southeaster tropical Pacific

Diversity of the marine picocyanobacteria Prochlorococcus and Synechococcus assessed by terminal restriction fragment length polymorphisms of 16S-23S rRNA internal transcribed spacer sequences

Picoplankton Abundance and Biomass Across the Eastern South Pacific Ocean Along Latitude 32.5°S

Late Quaternary Variability of Sedimentary Nitrogen Isotopes in the Eastern South Pacific Ocean

High Abundances of Aerobic Anoxygenic Photosynthetic Bacteria in the South Pacific Ocean

Ammonia-Oxidizing beta-Proteobacteria fromm the Oxygen Minimum Zone Off Northern Chile

Contribution of Picoplankton to the Total Particulate Organic Carbon Concentration in the Eastern South Pacific

Melting of the Patagonian Ice Sheet anbd Deglacial Perturbations of the Nitrogen Cycle in the Eastern South Pacific

A Two Component Model of Phytoplankton Absorption in the Open Ocean: Theory and Applications

Oceanographic Basis of the Global Surface Distribution of Prochlorococcus Ecotypes

Anaerobic Ammonium Oxidation in the Oxygen-Deficient Waters Off Northern Chile

Communities of nirS-type Denitrifiers in the Water Column of the Oxygen Minimum Zone in the Eastern South Pacific

On the Annual Cycle of Coastal and Open Ocean Satellite Chlorophyll Off Chile (18°-40°S)

Remote Sensing of Ocean Colour: Towards Algorithms for Retrieval of Pigment Composition

Hydrography of the Eastern South Pacific Ocean: Results from the Sonne 102 Cruise, May-June 1995

Bio-Optical Characteristics of Phytoplankton Populations in the Upwelling System Off the Coast of Chile

Iron Control of Past Productivity in the Coastal Upwelling System Off the Atacama Desert

Zonas de Mínima de Oxígeno

Biological and Chemical Consequeces of the 1997-1998 El Niño in the Chilean Coastal Upwelling System: A Synthesis

Temporal Variability of Nitrogen Cycling in Continental-Shelf Sediments of the Upwelling Ecosystem Off Central Chile

Nitrate Supply and Demand in the Mixed Layer of the Ocean

Temperature as an Indicator of Optical Properties and Community Structure of Marine Phytoplankton: Implications for Remote Sensing

Center for Oceanographic Research Opens in Chile

Producción Primaria y Biomasa Fraccionada por Tamaño en Sistemas Acuáticos de Distinto Grado Trófico

Evolution and Biological Effects of the 1997-98 El Niño in the Upwelling Ecosystem Off Northern Chile

Local and Remote Forcing of Sea Surface Temperature in the Coastal Upwelling System Off Chile

Primary Production and Community Respiration in the Humboldt Current System Off Chile and Associated Oceanic Areas

Fractionation During Remineralization of Organic Matter in the Ocean