Search Results - "Gutiérrez, Dimitri"
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Declining oxygen in the global ocean and coastal waters
Published in Science (American Association for the Advancement of Science) (05-01-2018)“…Oxygen is fundamental to life. Not only is it essential for the survival of individual animals, but it regulates global cycles of major nutrients and carbon…”
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Multifarious anchovy and sardine regimes in the Humboldt Current System during the last 150 years
Published in Global change biology (01-03-2018)“…The Humboldt Current System (HCS) has the highest production of forage fish in the world, although it is highly variable and the future of the primary…”
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Shrimp farming influence on carbon and nutrient accumulation within Peruvian mangroves sediments
Published in Estuarine, coastal and shelf science (30-09-2020)“…In order to investigate the influence of shrimp farming activities on carbon and nutrient accumulation, sediment cores were collected from two areas at…”
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Spatio-temporal variability of the equatorial front in the eastern tropical Pacific from remote sensing salinity data (2010–2015)
Published in Deep-sea research. Part II, Topical studies in oceanography (01-11-2019)“…In the eastern Pacific, the Equatorial Front (EF) separates the relatively cold and salty Equatorial Surface Water to the South from the relatively warm and…”
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Revising the nitrogen cycle in the Peruvian oxygen minimum zone
Published in Proceedings of the National Academy of Sciences - PNAS (24-03-2009)“…The oxygen minimum zone (OMZ) of the Eastern Tropical South Pacific (ETSP) is 1 of the 3 major regions in the world where oceanic nitrogen is lost in the…”
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Projection of upwelling-favorable winds in the Peruvian upwelling system under the RCP8.5 scenario using a high-resolution regional model
Published in Climate dynamics (01-07-2021)“…The Peruvian upwelling system (PUS) is the most productive Eastern Boundary Upwelling System (EBUS) of the world ocean. Contrarily to higher latitude EBUSs,…”
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Climate vulnerability assessment of key fishery resources in the Northern Humboldt Current System
Published in Scientific reports (21-03-2022)“…The Northern Humboldt Current System sustains one of the most productive fisheries in the world. However, climate change is anticipated to negatively affect…”
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Productivity and Sustainable Management of the Humboldt Current Large Marine Ecosystem under climate change
Published in Environmental development (01-01-2016)“…The Humboldt Current Large Marine Ecosystem (HCLME) covers 95% of the southeast Pacific seaboard of which the area of influence from the Humboldt Current and…”
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ENSO Climate Forcing of the Marine Mercury Cycle in the Peruvian Upwelling Zone Does Not Affect Methylmercury Levels of Marine Avian Top Predators
Published in Environmental science & technology (07-12-2021)“…Climate change is expected to affect marine mercury (Hg) biogeochemistry and biomagnification. Recent modeling work suggested that ocean warming increases…”
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Trends in sympatric otariid populations suggest resource limitations in the Peruvian Humboldt Current System
Published in Marine environmental research (01-07-2021)“…Sympatric species evolve mechanisms to avoid competition and coexist. In the Humboldt Current System (HCS), populations of South American sea lions (SASL,…”
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Sympatric otariids increase trophic segregation in response to warming ocean conditions in Peruvian Humboldt Current System
Published in PloS one (11-08-2022)“…Determining trophic habits of predator communities is essential to measure interspecific interactions and response to environmental fluctuations. South…”
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The OMZ and nutrient features as a signature of interannual and low-frequency variability in the Peruvian upwelling system
Published in Biogeosciences (19-10-2017)“…Over the last decades, the Humboldt Current upwelling ecosystem, particularly the northern component off the coast of Peru, has drawn the interest of the…”
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Bottom-water hypoxia in the Paracas Bay (Peru, 13.8°S) associated with seasonal and synoptic time scale variability of winds and water stratification
Published in Journal of marine systems (01-01-2024)“…Coastal hypoxia can occur naturally in inshore areas of the Eastern Boundary Upwelling Systems, influenced by the nutrient-rich and low-oxygen upwelling…”
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Late Neogene evolution of the Peruvian margin and its ecosystems: a synthesis from the Sacaco record
Published in International journal of earth sciences : Geologische Rundschau (01-04-2021)“…The highly productive waters of the Humboldt Current System (HCS) host a particular temperate ecosystem within the tropics, whose history is still largely…”
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Characterization of hypoxic events in Paracas bay (Peru, 13.8°S) through intensity and biological effect indexes
Published in Journal of marine systems (01-05-2024)“…Over the past decade, there has been a significant increase in low oxygen conditions within marine coastal areas, profoundly impacting ecosystem processes and…”
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Circulation and stratification drivers during the summer season in the upwelling bay of Paracas (Peru): A modelling study
Published in Continental shelf research (01-02-2023)“…The circulation and stratification in the shallow semi-enclosed bay of Paracas located downstream of the main upwelling cell off the Peruvian coast were…”
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System controls of coastal and open ocean oxygen depletion
Published in Progress in oceanography (01-09-2021)“…•The epoch of the Anthropocene, a period during which human activity has been the dominant influence on climate and the environment, has witnessed a decline in…”
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Latitudinal variability of preserved sedimentary organic matter along the Peruvian continental margin as inferred from petrographic and geochemical properties
Published in Marine chemistry (20-09-2021)“…Processes controlling preservation and accumulation of organic matter (OM) in marine sediments are highly sensitive towards both natural and anthropogenic…”
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Coastal cooling and increased productivity in the main upwelling zone off Peru since the mid-twentieth century
Published in Geophysical research letters (01-04-2011)“…We reconstructed a high‐resolution, alkenone‐based sea surface temperature (SST) record spanning the last ca. 150 years, from a sediment core retrieved within…”
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Anaerobic Ammonium Oxidation in the Peruvian Oxygen Minimum Zone
Published in Limnology and oceanography (01-05-2007)“…We investigated the microbial pathways of nitrogen (N) loss in an April 2005 transect through the Peruvian oxygen minimum zone (OMZ) at $12\textdegree S$…”
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