Search Results - "Hauss, H"
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In situ observations show vertical community structure of pelagic fauna in the eastern tropical North Atlantic off Cape Verde
Published in Scientific reports (11-12-2020)“…Distribution patterns of fragile gelatinous fauna in the open ocean remain scarcely documented. Using epi-and mesopelagic video transects in the eastern…”
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Biological and physical influences on marine snowfall at the equator
Published in Nature geoscience (01-11-2017)“…High primary productivity in the equatorial Atlantic and Pacific oceans is one of the key features of tropical ocean biogeochemistry and fuels a substantial…”
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Effects of varied nitrate and phosphate supply on polysaccharidic and proteinaceous gel particle production during tropical phytoplankton bloom experiments
Published in Biogeosciences (07-10-2015)“…Gel particles such as the polysaccharidic transparent exopolymer particles (TEP) and the proteinaceous Coomassie stainable particles (CSP) play an important…”
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Hidden biosphere in an oxygen-deficient Atlantic open-ocean eddy: future implications of ocean deoxygenation on primary production in the eastern tropical North Atlantic
Published in Biogeosciences (21-12-2015)“…The eastern tropical North Atlantic (ETNA) is characterized by a highly productive coastal upwelling system and a moderate oxygen minimum zone with lowest…”
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Changing nutrient stoichiometry affects phytoplankton production, DOP accumulation and dinitrogen fixation – a mesocosm experiment in the eastern tropical North Atlantic
Published in Biogeosciences (11-02-2016)“…Ocean deoxygenation due to climate change may alter redox-sensitive nutrient cycles in the marine environment. The productive eastern tropical North Atlantic…”
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Effects of nitrate and phosphate supply on chromophoric and fluorescent dissolved organic matter in the Eastern Tropical North Atlantic: a mesocosm study
Published in Biogeosciences (02-12-2015)“…In open-ocean regions, as is the Eastern Tropical North Atlantic (ETNA), pelagic production is the main source of dissolved organic matter (DOM) and is…”
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Production, partitioning and stoichiometry of organic matter under variable nutrient supply during mesocosm experiments in the tropical Pacific and Atlantic Ocean
Published in Biogeosciences (20-11-2012)“…Oxygen-deficient waters in the ocean, generally referred to as oxygen minimum zones (OMZ), are expected to expand as a consequence of global climate change…”
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CLC and IFNAR1 are differentially expressed and a global immunity score is distinct between early- and late-onset colorectal cancer
Published in Genes and immunity (01-12-2011)“…Colorectal cancer (CRC) incidence increases with age, and early onset of the disease is an indication of genetic predisposition, estimated to cause up to 30%…”
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Application of the daily egg production method to Baltic sprat
Published in Fisheries research (01-09-2012)“…Baltic sprat (Sprattus sprattus balticus, Schneider 1908) is a key species in the Baltic Sea ecosystem, where it is the most abundant planktivorous fish. In…”
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Ammonium excretion and oxygen respiration of tropical copepods and euphausiids exposed to oxygen minimum zone conditions
Published in Biogeosciences (19-04-2016)“…Calanoid copepods and euphausiids are key components of marine zooplankton communities worldwide. Most euphausiids and several copepod species perform diel…”
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Characterization of “dead-zone” eddies in the eastern tropical North Atlantic
Published in Biogeosciences (28-10-2016)“…Localized open-ocean low-oxygen “dead zones” in the eastern tropical North Atlantic are recently discovered ocean features that can develop in dynamically…”
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Ocean acidification impacts on biomass and fatty acid composition of a post-bloom marine plankton community
Published in Marine ecology. Progress series (Halstenbek) (13-08-2020)“…A mesocosm approach was used to investigate the effects of ocean acidification (OA) on a natural plankton community in coastal waters off Norway by…”
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Zooplankton community succession and trophic links during a mesocosm experiment in the coastal upwelling off Callao Bay (Peru)
Published in Biogeosciences (09-03-2023)“…The Humboldt Current Upwelling System (HCS) is the most productive eastern boundary upwelling system (EBUS) in terms of fishery yield on the planet. EBUSs are…”
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Dead zone or oasis in the open ocean? Zooplankton distribution and migration in low-oxygen modewater eddies
Published in Biogeosciences (01-04-2016)“…The eastern tropical North Atlantic (ETNA) features a mesopelagic oxygen minimum zone (OMZ) at approximately 300–600 m depth. Here, oxygen concentrations…”
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Zooplankton mortality effects on the plankton community of the northern Humboldt Current System: sensitivity of a regional biogeochemical model
Published in Biogeosciences (12-05-2021)“…Small pelagic fish off the coast of Peru in the eastern tropical South Pacific (ETSP) support around 10 % of global fish catches. Their stocks fluctuate…”
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The Pelagic In situ Observation System (PELAGIOS) to reveal biodiversity, behavior, and ecology of elusive oceanic fauna
Published in Ocean science (07-10-2019)“…There is a need for cost-efficient tools to explore deep-ocean ecosystems to collect baseline biological observations on pelagic fauna (zooplankton and nekton)…”
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Upwelling and isolation in oxygen-depleted anticyclonic modewater eddies and implications for nitrate cycling
Published in Biogeosciences (27-04-2017)“…The temporal evolution of the physical and biogeochemical structure of an oxygen-depleted anticyclonic modewater eddy is investigated over a 2-month period…”
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Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic
Published in Biogeosciences (10-10-2016)“…The occurrence of mesoscale eddies that develop suboxic environments at shallow depth (about 40–100 m) has recently been reported for the eastern tropical…”
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Dissolved N:P ratio changes in the eastern tropical North Atlantic: effect on phytoplankton growth and community structure
Published in Marine ecology. Progress series (Halstenbek) (08-03-2016)“…Previous bioassays conducted in the oligotrophic Atlantic Ocean identified availability of inorganic nitrogen (N) as the proximate limiting nutrient control of…”
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Water column biogeochemistry of oxygen minimum zones in the eastern tropical North Atlantic and eastern tropical South Pacific oceans
Published in Biogeosciences (20-06-2016)“…Recent modeling results suggest that oceanic oxygen levels will decrease significantly over the next decades to centuries in response to climate change and…”
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