Results 61 to 70 of about 1,141 (179)

Surface slicks structure microbial and viral neuston in relation to biogeochemical conditions

Limnology and Oceanography, Volume 71, Issue 5, May 2026.
Abstract The sea‐surface microlayer (hereafter microlayer), which forms the interface between the ocean and atmosphere, plays a key role in nutrient cycling and microbial dynamics. Coastal slicks, which are viscous and biogenic surface films, often serve as hotspots for microbial activity, yet their structure and interactions remain incompletely ...
Carolin Peter, Helge‐Ansgar Giebel, Bingli Clark Chai, Tassiana S. G. Serafim, Carola Lehners, Oliver Wurl, Helena Osterholz, Janina Rahlff   +7 more
wiley   +1 more source

DINOSTRAT version 2.1-GTS2020 [PDF]

Earth System Science Data
DINOSTRAT version 2.1-GTS2020 is now available (https://doi.org/10.5281/zenodo.10506652, Bijl et al., 2024b). This version updates DINOSTRAT to the Geologic Time Scale 2020, and new publications are added into the database.
P. K. Bijl
doaj   +1 more source

Dinoflagellate cyst distribution in recent sediments along the south-east coast of India

Oceanologia, 2013
The spatial variation in the dinoflagellate cyst assemblage from the south-eastcoast of India is presented along with a comparison of the cyst abundance from other regions of the world.
Dhiraj Dhondiram Narale, Jagadish S. Patil, Arga Chandrashekar Anil   +2 more
doaj   +1 more source

An exquisitely preserved young iguanodontian from the Upper Jurassic of Tanzania sheds light on skeletal fusion patterns within Archosauria

Papers in Palaeontology, Volume 12, Issue 3, May/June 2026.
Abstract Dysalotosaurus lettowvorbecki (Ornithopoda, Dinosauria) is a small‐sized dryosaurid iguanodontian known from various isolated remains collected from the Tendaguru Formation (Upper Jurassic, Tanzania). Micro‐computed tomography of a small individual encased in a block offered a unique opportunity to describe c.
Riccardo Rocchi, Filippo Maria Rotatori, Gabriel S. Ferreira, Federico Fanti   +3 more
wiley   +1 more source

Palynological Study of Kolosh Formation (Paleocene–Early Eocene), in Dokan area, Sulaimani, Kurdistan Region- Iraq

Tikrit Journal of Pure Science, 2018
The Kolosh Formation is belongs to Paleocene –Early Eocene cycle, this cycle is characterize by a complete development in the basin of deposition in all parts of Iraq. This study assessed to find the age of Kolosh Formation, dinoflagellate cysts as a
Srood Farooq Naqshabandi
doaj   +1 more source

Variability of the Deep‐Water Inputs From the Adriatic and Aegean Seas Over the Period of Sapropel S1 Deposition Based on Foraminiferal Nd Isotopes

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Deep‐water of the eastern Mediterranean basins mainly forms in the Adriatic Sea and episodically in the Aegean Sea. However, past and future variability under changing temperature and freshwater inputs remains unclear. We reconstruct seawater εNd from Northern Ionian Sea cores to trace intermediate‐ and deep‐water provenance during the ...
Guohui Gao, Christophe Colin, Giuseppe Siani, Jiawang Wu, Sophie Sepulcre, Rosella Pinna‐Jamme, Arnaud Dapoigny, Amalia Filippidi, Gert J. de Lange   +8 more
wiley   +1 more source

Paleocene-Oligocene dinoflagellate cysts from the Siah Anticline, Zagros Basin, Southwest Iran

Geologia USP. Série Científica, 2016
A section of the Pabdeh Formation dating back to the Paleocene-Oligocene has been sampled in the Zagros Basin in Southwest Iran for palynological investigations and evaluation of thermal maturity and hydrocarbon generation potential.
Ali Akbar Jafar Nezhad, Ebrahim Ghasemi-Nejad Ghasemi-Nejad   +1 more
doaj   +1 more source

Recent advances in dinoflagellate cyst: Integrating review with visual taxonomic perspectives

Ecological Informatics
Resting cysts are a critical stage in the life cycle of certain dinoflagellates, involving active growth, sexual reproduction, and dormancy. With the global rise in harmful algal blooms (HABs), interest in the ecological roles of these cysts has grown ...
Wenjing Guo, Qisheng Yu, Yue Yu, Youyi Tang, Nan Zeng, Chia-Ying Anderin Chuang, Yuelu Jiang   +6 more
doaj   +1 more source

Dinoflagellate cysts from the Bathonian – Tithonian (Jurassic) of North Bulgaria. III. Tithonian dinoflagellate cysts

Geologica Balcanica, 1994
Tithonian marine sediments from 34 boreholes and one outcrop in North Bulgaria have been palynologically examined. They contain rich anа commonly well preserved dinocyst assemblages. This paper includes brief comments on morphology, taxonomy, geographic and stratigraphic distribution of 56 dinocyst taxa and 2 acritarch species which start ill this ...
openaire   +1 more source

Petroleum geology of the Upper Jurassic – Lower Cretaceous of East and North-East Greenland: Blokelv-1 borehole, Jameson Land Basin: Biostratigraphy of the Hareelv Formation (Upper Jurassic) in the Blokelv-1 core, Jameson Land, central East Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2018
The Hareelv Formation in the Blokelv-1 core is biostratigraphically subdivided by means of ammonite and dinoflagellate cyst stratigraphy. The succession ranges from the Oxfordian C. densiplicatum Chronozone to the Volgian P. elegans Chronozone.
Peter Alsen, Stefan Piasecki
doaj