[PDF] Top 20 The role of benthic foraminifera in the benthic nitrogen cycle of the Peruvian oxygen minimum zone
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The role of benthic foraminifera in the benthic nitrogen cycle of the Peruvian oxygen minimum zone
... that foraminifera are able to use ni- trate instead of oxygen as an electron acceptor for respiration has challenged our understanding of nitrogen cycling in the ...the Peruvian oxygen ... See full document
17
The role of benthic foraminifera in the benthic nitrogen cycle of the Peruvian oxygen minimum zone
... that foraminifera are able to use ni- trate instead of oxygen as an electron acceptor for respiration has challenged our understanding of nitrogen cycling in the ...the Peruvian oxygen ... See full document
17
Benthic Nitrogen Cycling Traversing the Peruvian Oxygen Minimum Zone
... the Peruvian OMZ (Sommer et ...the Peruvian shelf is channeled into DNRA rather than denitrification and ...N cycle and source of NH 4 + to the porewater in organic matter–rich sediments on the ... See full document
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Benthic phosphorus cycling in the Peruvian oxygen minimum zone
... by benthic foraminifera instead of mat-forming sulfur ...these foraminifera are a source of polyphosphates (see ...that benthic foraminifera rather than bac- terial mats might ... See full document
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Depletion of oxygen, nitrate and nitrite in the Peruvian oxygen minimum zone cause an imbalance of benthic nitrogen fluxes
... fixed nitrogen, Peruvian shelf and upper slope sediments are strong source of reduced fixed N via the activity of sulphur oxidizing bacteria performing ...of oxygen deficient regions depending on ... See full document
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I Ca ratios in benthic foraminifera from the Peruvian oxygen minimum zone: analytical methodology and evaluation as a proxy for redox conditions
... Furthermore, the fact that we observe a strong species de- pendency of the I / Ca ratio accentuates this problem, be- cause the use of bulk species samples which would provide enough material for a sufficient number of ... See full document
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Sink or link? The bacterial role in benthic carbon cycling in the Arabian Sea’s oxygen minimum zone
... by foraminifera may occur, as also found by others, which when predated by bigger fauna, might be an alternative route for carbon transport along the food ...the role of protozoans and protists in sedimen- ... See full document
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Carbon and Nitrogen Uptake of Calcareous Benthic Foraminifera along a Depth-Related Oxygen Gradient in the OMZ of the Arabian Sea
... in foraminifera. We were able to quantify organic nitrogen uptake of foraminifera at three depths in the OMZ of the Indian ...of nitrogen and possible storage of nitrogen from food but ... See full document
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Nitrogen fixation in sediments along a depth transect through the Peruvian oxygen minimum zone
... controlling benthic diazotrophs in the OMZ appears to be the organic matter ...the Peruvian OMZ sediments were in the same range of other organic-rich ben- thic environments, underlining the relation ... See full document
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Regional and global scale modeling of the benthic marine nitrogen cycle
... in oxygen minimum zones. Since oxygen concentrations are very low or zero, denitrification is the major process for the degradation of organic matter ...denitrification zone to the ... See full document
149
Ba incorporation in benthic foraminifera
... pseudopodial activity, a dark brown cytoplasm and minimal signs of bleaching were handpicked with a small brush un- der a Zeiss Stereo microscope and transferred to well plates. Adult specimens of H. depressa were picked ... See full document
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Community and trophic responses of benthic Foraminifera to oxygen gradients and organic enrichment
... that Foraminifera are omnivorous with algae, detritus and bacteria amongst the most common food ...of Foraminifera, indicate that there is an important difference in the trophic biology of the more ... See full document
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Benthic archaea as potential sources of tetraether membrane lipids in sediments across an oxygen minimum zone
... the anoxic marine sediments analyzed here, members of the MCG, DPANN and Euryarchaeota Thermoplasmatales dom- inated. We also observed a high diversity within the MCG with a more diverse population in subsurface ... See full document
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The physiological response of equatorial Neogene bathyal benthic foraminifera to low oxygen conditions
... This is produced by the SE-NW Trade Winds. North-South migrations arise from shifts in the subtropical high-pressure zone towards the equator during austral winters and in the opposite direction during summers. ... See full document
353
The Distribution of Recent Benthic Foraminifera in the Arafura Sea
... distribution, benthic foraminifera, sediment and Arafura ABSTRAK Laut Arafura merupakan perairan dangkal yang terletak di wilayah Papua bagian Selatan sampai bagian utara pantai ...bawah. ... See full document
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The niche of benthic foraminifera, critical thresholds and proxies
... as oxygen but only at the lower critical range since above this, at the present state of knowledge, there is no known correlation between oxygen and ...of foraminifera are more reliable guides to ... See full document
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Lower Cretaceous benthic foraminifera of the Indian Ocean
... Ocean, benthic foraminifera represent one of the few microfossil groups to possess a relatively complete stratigraphie ...Cretaceous benthic foraminifera from Indian Ocean DSDP holes were ... See full document
339
Quantification of the effects of ocean acidification on benthic foraminifera
... of benthic foraminifera from coral reef habitats (Kuroyanagi et ...of foraminifera from non-reef habitats to OA are less understood, such as how future reduced net calcification rates and growth can ... See full document
299
Uptake of phytodetritus by benthic foraminifera under oxygen depletion at the Indian margin (Arabian Sea)
... of foraminifera to fresh food input within 4 days is similar to that observed in other deep- sea environments and is advantageous at times of enhanced food flux to the sea ...that foraminifera are well ... See full document
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Isotopic Variations of Oxygen (δ18O) in Benthic Foraminifera under Antiestuarine Conditions in the Colorado River Delta
... a minimum value of ...concerning benthic foraminifera exhibit a wider variation range than those reported for bivalves liv- ing under the same environmental ...the oxygen that is found in the ... See full document
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