Results 111 to 120 of about 29,169 (250)

Shallow-water benthic foraminifera as proxy for natural versus human-induced environmental change

open access: yes, 2007
Ecosystem composition and functioning is not only subjected to human-induced alterations, ecosystems also subjected to natural (e.g. climate-induced) variability.
de Nooijer, Lennart Jan   +8 more
core  

FORAMINIFERA

open access: yes, 1958
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

The Foraminifera of the Gault of Folkestone.—I [PDF]

open access: yesJournal of the Royal Microscopical Society, 1891
n ...
openaire   +3 more sources

Quantification of the Eocene–Oligocene transition in the Zagros Foreland Basin: Palaeogeographic control on sequence architecture and tectonic signal preservation

open access: yesThe Depositional Record, Volume 12, Issue 3, June 2026.
New bio‐sequence framework for the Eocene–Oligocene transition in Zagros. Geochemical data validate basin depth control on SB1 vs. SB2 boundaries. SEM‐EDS analyses confirm subaerial exposure versus continuous deposition. Sensitivity analysis quantifies sub‐10% uncertainty in stratigraphic interpretations. Resolves the Pyrenean orogeny's variable impact
Sahar Rokni   +4 more
wiley   +1 more source

Pliocene and Pleistocene chronostratigraphy and paleoenvironment of the Central Arctic Ocean, using deep water agglutinated foraminifera

open access: yes, 1998
Deep-water agglutinated foraminifera (DWAF) were studied from Cores PS2177-5, PS2200-5, PS2212-3 and PS2185-6; from the R/V POLARSTERN ARK-VIII/3 Cruise in the central Arctic Ocean.
Kaminski, M.A., Evans, J.R.
core  

Shallow water foraminifera from Niue and Beveridge Reef (South Pacific): insights into ecological significance and ecosystem integrity

open access: yesRoyal Society Open Science
Niue represents one of many important steppingstones facilitating the dispersal of marine organisms across the tropical Pacific Ocean. This study is part of a collaborative expedition involving National Geographic Pristine Seas, the government of Niue ...
Shai Oron   +3 more
doaj   +1 more source

Simulation of Soil Water Content in Clayey Soils Where Dissolution and Precipitation of Pedogenic Carbonates Impact the Accuracy of Sensors Measuring Soil Water Content

open access: yesHydrological Processes, Volume 40, Issue 6, June 2026.
This study deals with limitations of frequency domain reflectometry sensors, including data drift, when monitoring clayey soils with pedogenic carbonates. Despite these inaccuracies, the results demonstrate that corrected measurements of soil water content can still successfully calibrate hydrological models.
Katarina Matan   +3 more
wiley   +1 more source

Response of deep-water agglutinated foraminifera to dysoxic conditions in the California Borderland basins

open access: yes, 1995
Analysis of agglutinated benthic foraminifera from surface samples collected in the San Pedro and Santa Catalina Basins reveals a predictable relationship between the proportions of morphogroups with decreasing bottom water oxygen levels and with the ...
Holbourn, A.E.L.   +3 more
core  

Turnover of microbial cells, endospores, and organic carbon in ocean margin sediment affected by submarine landslides

open access: yesLimnology and Oceanography, Volume 71, Issue 6, June 2026.
Abstract The turnover rate of microbial cells drops steeply by increasing depth in the seabed, in accordance with the decreasing rate of organic matter mineralization. Bacterial endospore formation and germination may take place concurrently, yet their coupling to the mineralization rates during burial is poorly understood.
Bo Barker Jørgensen   +6 more
wiley   +1 more source

Foraminifera vizsgálatok sajólászlófalvai miocén üledékben

open access: yes, 2011
Paleoökológiai rekonstrukció foraminifera vizsgáltaok alapján sajólászlófalvai középső miocén csillámos tengeri homokból ...
Fülöp, Norbert
core  

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