Results 51 to 60 of about 457 (178)

When invasions go unnoticed: Public perception of the freshwater jellyfish Craspedacusta sowerbii in Europe

open access: yesPeople and Nature, Volume 8, Issue 6, Page 1957-1973, June 2026.
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux   +17 more
wiley   +1 more source

New Insights Into Hikurangi Subduction Inputs and Megathrust Host Rocks Spanning Along‐Margin Changes in Fault Slip Behavior

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 6, June 2026.
Abstract The seismic behavior of subduction megathrusts varies spatially and is influenced by the properties of subducting plates, including their sedimentary cover. Characterizing these subduction inputs is essential for understanding the mechanisms behind fault slip variability.
Philip M. Barnes   +12 more
wiley   +1 more source

Stratigraphic potential of the Upper Triassic benthic foraminifers

open access: yesAlbertiana, 2010
A succession of unusually rich, well-preserved and diversified Carnian-Norian benthic foraminiferal assemblages has been found in an isolated limestone remnant of the Panthalassa Ocean (Black Marble Quarry, Wallowa terrane, Oregon). Foraminifers, including about 75% of well-known Tethyan species, show there a comparable stratigraphic distribution with ...
Rigaud S.   +3 more
openaire   +2 more sources

Evidence for Limited Atmospheric CO2 Rise at the Miocene Climatic Optimum

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 6, June 2026.
Abstract The Miocene Climatic Optimum (MCO; 16.9–14.7 Ma) was a relatively warm period with atmospheric CO2 averaging ∼500 μatm but CO2 change across its onset is poorly documented. We present a record of algal 13C‐fractionation covering the Early to Middle Miocene (∼18.5–15 Ma), with a gap at the MCO onset, from Ocean Drilling Program Site 959 in the ...
Evi Wubben   +9 more
wiley   +1 more source

Foraminiferal detoxification breakdown induced by fatal levels of TiO2 nanoparticles

open access: yesFrontiers in Marine Science
The increase discharge of titanium dioxide (TiO2) nanoparticles, derived from engineered material waste, exerts a detrimental impact on both the marine ecosystem and public health.
Yuka Inagaki   +7 more
doaj   +1 more source

Bioerosion Drill Holes Increase Carbonate Dissolution in the Planktonic Foraminifer Globigerinoides ruber

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 5, May 2026.
Abstract Planktonic foraminifera are instrumental in reconstructing paleoceanographic and paleoclimatic conditions. However, preferential dissolution can significantly bias both assemblages and chemical analyses, leading to biased interpretations. Bioerosional drill holes are commonly found in foraminiferal tests; however, it remains unknown if these ...
Cristiane Fraga Frozza   +5 more
wiley   +1 more source

Small foraminifers from the Middle and Upper Eocene in the Burgas District. Calcareous benthic foraminifers. Part II

open access: yesGeologica Balcanica, 1992
This is the second paper of a series dedicated to the Eocene small foraminifera from the Burgas region (East Bulgaria). Published herein are descriptions of 23 species of calcareous foraminifers from the families of Cymbaloporidae, Asterigerinidae, Nonionidae, Chilostomellidae, Alabaminidae, Oridorsalidae, Heterolepidae, Gavelinellidae, Rotaliidae ...
Stefka Darakchieva, Sava Juranov
openaire   +1 more source

FORAMINIFERI ATTUALI IN SEDIMENTI INFRALITORALI E CIRCALITORALI A NORD DI MESSINA (SICILIA, ITALIA)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
Quantitative micropaleontological analyses are carried out on eleven samples from inner neritic to outer neritic sands of the sicilian coast, north of Messina.
GABRIELLA MANGANO, DONATA VIOLANTI
doaj   +1 more source

Spatial and Temporal Variability of Eastern Pacific Radiocarbon and Carbon Chemistry From the Ice Age to Today

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 5, May 2026.
Abstract Proxy records of seawater radiocarbon (14C/C) provide strong constraints on how changes in ocean ventilation contributed to the increase in atmospheric CO2 during the termination of the last ice age (≈18,000‐to‐12,000 years ago). One outstanding problem, however, is the existence of anomalously low deglacial benthic foraminiferal 14C/C in the ...
Patrick A. Rafter   +14 more
wiley   +1 more source

Intensified Meltwater Influx During Heinrich Stadial 1 Recorded in the Gulf of Maine, USA

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 5, May 2026.
Abstract Abrupt, millennial‐scale climate events characterize the most recent deglaciation. However, their nature remains poorly understood. Previous work has shown enhanced glacial melt signals from the European/Scandinavian Ice Sheet and a rapid recession of the Laurentide Ice Sheet (LIS) in Eastern Maine during Heinrich Stadial 1 (HS‐1).
J. F. Herlinger   +6 more
wiley   +1 more source

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