Results 91 to 100 of about 2,366,156 (316)

Environmental Drivers of Jumbo Squid During Fishery Collapse in the Gulf of California (2019–2024)

Fisheries Oceanography, EarlyView.
ABSTRACT The jumbo squid (Dosidicus gigas) is a cephalopod endemic to the eastern Pacific with significant ecological and economic importance. Its exploitation in the Gulf of California (GC) peaked in the 1990s, with catches exceeding 100,000 tons, but collapsed in 2009 and virtually disappeared by 2015, largely due to environmental changes and ...
Mario Vásquez‐Ortiz, Juan Roberto F. Vallarta‐Zárate, Jesús E. Osuna‐Soto, Emma Verónica Pérez‐Flores, Leslie Altamirano‐López, Ramón Isaac Rojas‐González   +5 more
wiley   +1 more source

The Mantle Structure of North China Craton and Its Tectonic Implications: Insights from Teleseismic P-Wave Tomography

Journal of Marine Science and Engineering
To study the mantle structure of the North China Craton (NCC) and its tectonic implications, in particular, the evolution of the rift systems in the Trans-North China Orogen (TNCO), we used teleseismic data recorded by 250 portable seismic stations to ...
Weiqian Yu, Wei Wei, James O. S. Hammond, Cunrui Han, He Tan, Haoyu Hao   +5 more
doaj   +1 more source

Experimental Evidence for a Reduced Metal-saturated Upper Mantle [PDF]

, 2017
The uppermost mantle as sampled by xenoliths, peridotite massifs and primitive basaltic melts appears to be relatively oxidized, with oxygen fugacities between the magnetite-wüstite and fayalite-ferrosilite-magnetite equilibria.
Ballhaus, Chris, Golla-Schindler, Ute, Rohrbach, Arno, Schönbohm, Dirk, Ulmer, Peter   +4 more
core  

Research Direction and Science Evaluation: The Role of Coherence and Alignment

Journal of Economics &Management Strategy, EarlyView.
ABSTRACT The decisions of funding agencies greatly influence the direction of scientific research; however, our understanding of how applicants' research directions affect the selection process remains limited. In this study, we investigate how a project's coherence with a scientist's previous work and its alignment with current scientific trends ...
Charles Ayoubi, Sandra Barbosu, Michele Pezzoni, Fabiana Visentin   +3 more
wiley   +1 more source

P–T Modelling Constrains the Depth of Emplacement of the Porto Azzurro Pluton and Implies Minor Exhumation Caused by the Zuccale Fault (Island of Elba, Italy)

Journal of Metamorphic Geology, EarlyView.
ABSTRACT Understanding the pressure of emplacement of granitic intrusions is crucial to understanding the exhumation history of plutons and constraining the tectonic setting of magma emplacement. However, P–T and geochronological constraints from exhumed plutons are often characterized by large uncertainties, especially in shallow crustal settings with
Samuele Papeschi, Marco Bonini, Matteo Lupi, Chiara Del Ventisette, Domenico Montanari   +4 more
wiley   +1 more source

Structure of the mantle and tectonic zoning of the central Alpine-Himalayan belt

Геодинамика и тектонофизика, 2018
The Alpine-Himalayan orogenic belt is characterized by longitudinal zoning and transverse segmentation. Using the 3D seismic tomography model, we compiled the sections showing the deviations of seismic P-wave velocities from the average values in the ...
V. G. Trifonov, S. Yu. Sokolov
doaj   +1 more source

Investigation of geomagnetic field forecasting and fluid dynamics of the core [PDF]

The magnetic determination of the depth of the core-mantle boundary using MAGSAT data is discussed. Refinements to the approach of using the pole-strength of Earth to evaluate the radius of the Earth's core-mantle boundary are reported.
Benton, E. R.
core   +1 more source

Stagnant lids and mantle overturns: Implications for Archaean tectonics, magmagenesis, crustal growth, mantle evolution, and the start of plate tectonics

, 2018
The lower plate is the dominant agent in modern convergent margins characterized by active subduction, as negatively buoyant oceanic lithosphere sinks into the asthenosphere under its own weight. This is a strong plate-driving force because the slab-pull
J. Bédard
semanticscholar   +1 more source

Chronic silencing of subsets of cortical layer 5 pyramidal neurons has a long‐term influence on the laminar distribution of parvalbumin interneurons and the perineuronal nets

Journal of Anatomy, Volume 246, Issue 4, Page 479-504, April 2025.
Chronic silencing of subsets of layer 5 projection neurons has distinct effects on the laminar distribution of PV interneurons and the perineuronal nets in the adult primary motor and somatosensory cortex. Abstract Neural networks are established throughout cortical development, which require the right ratios of glutamatergic and GABAergic neurons ...
Florina P. Szabó, Veronika Sigutova, Anna M. Schneider, Anna Hoerder‐Suabedissen, Zoltán Molnár   +4 more
wiley   +1 more source

Transient rheology of the Sumatran mantle wedge revealed by a decade of great earthquakes

Nature Communications, 2018
The rheology of the upper mantle is key to understanding how plate tectonics may evolve. Here, using GPS and tide-gauge measurements along the Sumatran subduction zone, the authors’ show that a bi-viscous rheology model is needed to explain the stress ...
Qiang Qiu, James D. P. Moore, Sylvain Barbot, Lujia Feng, Emma M. Hill   +4 more
doaj   +1 more source