Výsledky vyhledávání - "A.M. Langezaal"

BENTHIC FORAMINIFERAL EFFECT ON NITROGEN AND CARBON CYCLING

Autor: A.M. Langezaal, Lennart J. de Nooijer, Yvonne van Lith, Gijsbert J. van der Zwaan

Publikováno v: The Journal of Foraminiferal Research. 39:97-111

Abundances of fossil planktonic and benthic foraminifera are widely used to reconstruct marine paleoenvironments. Although poorly quantified, occurrences of benthic species are partly determined by in-sediment redox conditions. Understanding the rela

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd835a99b95fa545f2bad810ea3a2100
https://doi.org/10.2113/gsjfr.39.2.97

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The influence of a simulated diatom bloom on deep-sea benthic foraminifera and the activity of bacteria: A mesocosm study

Autor: Y.A. van Lith, I. A. P. Duijnstee, G.J. van der Zwaan, A.M. Langezaal, K.A. Koho

Publikováno v: Deep Sea Research Part I: Oceanographic Research Papers. 55:696-719

Live benthic foraminifera were collected from the Portuguese continental margin from 900 m water depth. Under controlled laboratory conditions, Thalassiosira pseudonana , was used to create an artificial diatom bloom. Two different diatom loads, high

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b26ff4c8c025fc0b1ffa454fff1689b0
https://doi.org/10.1016/j.dsr.2008.02.003

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The influence of seasonal processes on geochemical profiles and foraminiferal assemblages on the outer shelf of the Bay of Biscay

Autor: F. J. Jorissen, Christophe Fontanier, A.M. Langezaal, Gwénaëlle Chaillou, B. Braun, G.J. van der Zwaan, Pierre Anschutz

Publikováno v: Continental Shelf Research. 26:1730-1755

Benthic foraminifera are widely used tools to reconstruct paleoenvironments. They reflect bottom water oxygen concentrations and organic carbon flux. To increase their accuracy as proxies, seasonal variability of foraminiferal populations from the ou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea288e93c123985cff9896db35447aec
https://doi.org/10.1016/j.csr.2006.05.005

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Evidence for complete denitrification in a benthic foraminifer

Autor: Lars Peter Nielsen, Markus Schmid, Jan W.M. Derksen, Huub J. M. Op den Camp, Mike S. M. Jetten, Nils Risgaard-Petersen, Elisa Piña-Ochoa, Niels Peter Revsbech, Gijsbert J. van der Zwaan, Tomas Cedhagen, Susanne P. Eriksson, Signe Ingvardsen, A.M. Langezaal

Publikováno v: Nature, 443, 7107, pp. 93-96
Risgaard-Petersen, N, Langezaal, A M, Ingvardsen, S, Schmid, M C, Jetten, M S M, Op den Camp, H J M, Derksen, J W M, Pina-Ochoa, E, Eriksson, S P, Nielsen, L P, Revsbech, N P, Cedhagen, T & van der Zwaan, G J 2006, ' Evidence for complete denitrification in a benthic foraminifer ', Nature, vol. 443, pp. 93-96 . < http://www.nature.com/nature/journal/v443/n7107/abs/nature05070.html >
Aarhus University
Nature, 443, 93-96
Digital.CSIC. Repositorio Institucional del CSIC
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4 pages, and figures, and tables statistics
Benthic foraminifera are unicellular eukaryotes found abundantly in many types of marine sediments. Many species survive and possibly reproduce in anoxic habitats1, but sustainable anaerobic metabolism

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b59ed4e39fe5ba980ee322ece7bb4558
https://doi.org/10.1038/nature05070

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Foraminiferal selectivity towards bacteria: an experimental approach using a cell-permeant stain

Autor: E.S. Pierson, A.M. Langezaal, G.J. van der Zwaan, N.T. Jannink

Publikováno v: Journal of Sea Research. 54:256-275

The behaviour of two species of foraminifera (Allogromia laticollaris and Ammonia beccarii) towards living and dead bacteria and inorganic particles was monitored using a cell-permeant fluorescent nucleic acid stain. The foraminifera were studied in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c4bcec5bb23616f1e177cdcc888d1cf
https://doi.org/10.1016/j.seares.2005.06.004

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The recovery of benthic foraminifera and bacteria after disturbance: experimental evidence

Autor: G.J. van der Zwaan, A.M. Langezaal, P.F. van Bergen

Publikováno v: Journal of Experimental Marine Biology and Ecology, 312, 1, pp. 137-170
Journal of Experimental Marine Biology and Ecology, 312, 137-170

Item does not contain fulltext In experiments with living meiofauna, sediment is often sieved prior to incubation. This is primarily to remove macrofauna and to increase reproducibility among replicates. At the onset of the experiment, the bacteria a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c677d30610976f89e0a28c97c47ca22
https://doi.org/10.1016/j.jembe.2004.06.010

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Disturbance of intertidal sediments: the response of bacteria and foraminifera

Autor: G.J. van der Zwaan, P.F. van Bergen, S.R Ernst, Ralf R. Haese, A.M. Langezaal

Publikováno v: Estuarine, Coastal and Shelf Science. 58:249-264

Incubation experiments are common in marine experimental studies but the impact on organisms and geochemical parameters is poorly understood. Here, the re-establishment of vertical bacterial and foraminiferal zonation in intertidal sediments was stud

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d9e743eceb801f7e4f5e97a9c435b32
https://doi.org/10.1016/s0272-7714(03)00078-7

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