Search Results - "MONTOYA, J. P"
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Trophic Relationships and the Nitrogen Isotopic Composition of Amino Acids in Plankton
Published in Ecology (Durham) (01-08-2002)“…Stable nitrogen isotope ratios of whole organisms and tissues are routinely used in studies of trophic relationships and nitrogen flow through ecosystems, yet…”
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Amazon River enhances diazotrophy and carbon sequestration in the tropical North Atlantic Ocean
Published in Proceedings of the National Academy of Sciences - PNAS (29-07-2008)“…The fresh water discharged by large rivers such as the Amazon is transported hundreds to thousands of kilometers away from the coast by surface plumes. The…”
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3
The rise and fall of methanotrophy following a deepwater oil-well blowout
Published in Nature geoscience (01-06-2014)“…The blowout of the Macondo oil well in the Gulf of Mexico in April 2010 injected up to 500,000 tonnes of natural gas, mainly methane, into the deep sea…”
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4
Clinical and sociodemographic profile of epilepsy in adults from a reference centre in Colombia
Published in Neurologia (Barcelona, Spain) (01-09-2019)“…To describe the sociodemographic and clinical characteristics of a cohort of patients with epilepsy from a reference centre in Colombia. Cross-sectional study…”
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Recent advances in the biogeochemistry of nitrogen in the ocean
Published in Biogeosciences (24-07-2008)Get full text
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Extensive bloom of a N2-fixing diatom/cyanobacterial association in the tropical Atlantic Ocean
Published in Marine ecology. Progress series (Halstenbek) (1999)Get full text
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Estimating the contribution of microalgal taxa to chlorophyll a in the field—variations of pigment ratios under nutrient- and light-limited growth
Published in Marine ecology. Progress series (Halstenbek) (01-01-1998)“…Cellular concentrations of chlorophylls and carotenoids were measured in nutrient- and light-limited cultures of marine microalgae to determine the utility of…”
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8
Vertical Distribution of Nitrogen-Fixing Phylotypes in a Meromictic, Hypersaline Lake
Published in Microbial ecology (01-01-2004)“…We investigated the diversity of nitrogenase genes in the alkaline, moderately hypersaline Mono Lake, California to determine (1) whether nitrogen-fixing…”
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9
Elevated surface chlorophyll associated with natural oil seeps in the Gulf of Mexico
Published in Nature geoscience (01-03-2016)“…Natural hydrocarbon seeps account for up to 47% of the oil released into the oceans. In situ and remote measurements of chlorophyll concentrations suggest that…”
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Spatial and temporal shifts in stable isotope values of the bottom-dwelling shrimp Nauticaris marionis at the sub-Antarctic archipelago
Published in Marine biology (01-02-2004)“…Spatial and temporal dynamics of carbon and nitrogen stable isotope signatures of the bottom-dwelling caridean shrimp Nauticaris marionis were measured during…”
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11
Geophysical and geochemical signatures of Gulf of Mexico seafloor brines
Published in Biogeosciences (01-01-2005)“…Geophysical, temperature, and discrete depth-stratified geochemical data illustrate differences between an actively venting mud volcano and a relatively…”
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12
Deep Water Horizon oil and methane carbon entered the food web in the Gulf of Mexico
Published in Limnology and oceanography (01-11-2016)“…The Deep Water Horizon (DWH) incident caused the release of an unprecedented amount of 13C- and 14C-depleted oil and gas to the Gulf of Mexico (GoM), which…”
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13
Use of stable isotopes to investigate individual differences in diets and mercury exposures among common terns Sterna hirundo in breeding and wintering grounds
Published in Marine ecology. Progress series (Halstenbek) (01-01-2002)“…We measured variations in stable isotope signatures ( delta super(13)C and delta super(15)N) and concentrations of mercury (Hg) in breast feathers from pairs…”
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14
Using stable isotopes to trace sewage-derived material through Boston Harbor and Massachusetts Bay
Published in Marine environmental research (01-10-1999)“…Using stable isotopes, we assessed the effects of long-term sewage inputs within Boston Harbor and extending into adjacent Massachusetts Bay. We used nitrogen…”
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15
Retroperitoneal hematoma and enoxaparin
Published in Annals of internal medicine (16-11-1999)Get full text
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16
Spatial variation in N2-fixation rate and diazotroph activity in the Tropical Atlantic
Published in Biogeosciences (22-06-2007)“…A variety of N2-fixers occur in oligotrophic waters and these diazotrophs make a substantial contribution to the nitrogen budget of the upper water column. A…”
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17
The Leeuwin Current and its eddies: An introductory overview
Published in Deep-sea research. Part II, Topical studies in oceanography (01-04-2007)“…The Leeuwin Current (LC) is an anomalous poleward-flowing eastern boundary current that carries warm, low-salinity water southward along the coast of Western…”
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18
Long‐term patterns in forest‐floor NITROGEN‐15 natural abundance at hubbard brook, nh
Published in Soil Science Society of America journal (01-07-2001)“…To test the hypothesis that δ15N in the forest floor remains constant over time, we measured δ15N in forest‐floor samples from 1969, 1978, 1987, and 1992 at…”
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The anaerobic oxidation of methane and sulfate reduction in sediments from Gulf of Mexico cold seeps
Published in Chemical geology (14-05-2004)“…We determined the geochemical characteristics of sediments and measured rates of the anaerobic oxidation of methane (AOM) and sulfate reduction (SR) in samples…”
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20
Development and application of a simplified liquid ventilator
Published in Critical care medicine (01-01-1995)“…OBJECTIVEPerfluorocarbon liquid ventilation has been shown to have advantages over conventional gas ventilation in premature newborn and lung-injured animals…”
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