Results 41 to 50 of about 10,148 (211)

The IceShark, an effective method for sampling plankton under sea ice

Limnology and Oceanography: Methods, EarlyView.
Abstract Seasonal sea ice plays a crucial role in shaping coastal ecosystem dynamics throughout the circumpolar region. Of particular interest to oceanographers is the ice‐ocean interface which functions as a multidimensional habitat, supporting both sympagic algae and pelagic phytoplankton in the under‐ice surface waters.
Eleanor A. Barry, Susan Ziegler, Joey Angnatok, Emma J. Harrison, Uta Passow   +4 more
wiley   +1 more source

Performance of a First-Level Muon Trigger with High Momentum Resolution Based on the ATLAS MDT Chambers for HL-LHC

, 2015
Highly selective first-level triggers are essential to exploit the full physics potential of the ATLAS experiment at High-Luminosity LHC (HL-LHC).
Gadow, P., Kortner, O., Kortner, S., Kroha, H., Müller, F., Richter, R.   +5 more
core   +1 more source

Discovery of Highly Obscured Galaxies in the Zone of Avoidance [PDF]

, 2008
We report the discovery of twenty-five previously unknown galaxies in the Zone of Avoidance. Our systematic search for extended extra-galactic sources in the GLIMPSE and MIPSGAL mid-infrared surveys of the Galactic plane has revealed two overdensities of
A. Noriega-Crespo, Burgdorf, D. Clancy, D. R. Mizuno, Dale, Dale, Donley, F. R. Marleau, Fazio, Henning, Indebetouw, Jarrett, Jarrett, K. E. Kraemer, Kochanek, Kolatt, Kraan-Korteweg, Meade, Meade, R. Paladini, Rieke, Roman, S. Carey, S. Price, S. Shenoy, Schlegel, Schröder, Skrutskie, Staveley-Smith, T. Kuchar, Werner   +30 more
core   +2 more sources

Traditional and Geometric Morphometrics and Invariant Shape Descriptors of Catfish Otoliths in the Yucatán Peninsula: Tools for Species Identification and Individual Size Estimation at Maya Archaeological Sites

Archaeometry, EarlyView.
ABSTRACT This study investigates the use of otolith shape analysis for species identification and size estimation in Ariopsis felis and Bagre marinus, based on 181 modern otoliths obtained from a scientific collection and recent sampling in the coastal regions of Campeche and Yucatán, as well as 39 archaeological otoliths corresponding to the Early ...
Ariana Solis‐Gómez, Jorge Luis Pérez‐Gonzalez, Nayeli Jiménez‐Cano, Maribel Badillo‐Alemán, Alfredo Gallardo‐Torres, Nidiyare Hevia‐Montiel, Daniel Arceo‐Carranza, Xavier Chiappa‐Carrara   +7 more
wiley   +1 more source

Otolith and vertebral morphology of marine atherinid species (Atheriniformes, Atherinopsidae) coexisting in the southwestern Atlantic Ocean

Ciencias Marinas, 2010
Studies on marine ecosystems rely on the identification of fish prey species of piscivores (fish, aquatic mammals, and aquatic birds) based on their bones and otoliths. The stomach contents of piscivores show predation on marine atherinids of commercial
A D Tombari, A Gosztonyi, D D Echeverría, A V Volpedo   +3 more
doaj   +1 more source

Validation of daily growth increments and estimation of growth rates of larval and early juvenile black skipjack, Euthynnus lineatus, using otoliths [PDF]

, 1993
ENGLISH: Increments in otoliths (sagittae) were examined, using light and scanning electron microscopy, to determine ages and estimate growth rates of larval and early-juvenile black skipjack, Euthynnus lineatus.
Wexler, Jeanne B.
core  

Assessing the population structure of Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae) from the São Francisco River, Bahia, Brazil, using body morphology and otolith shape signatures

Journal of Fish Biology, EarlyView.
Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas, N. S. Pereira, P. B. Pinheiro, R. Schroeder, A. T. Correia   +4 more
wiley   +1 more source

Import procedures for timber to the European Union : options for streamlining procedures for legal timber [PDF]

, 2008
This report provides a description of the institutions involved in timber import and an overview of import procedures and related documents in the Netherlands in the framework of the European Union Action Plan for Forest Law Enforcement, Governance and ...
Kamphuis, B.M., Verwaart, D.
core   +1 more source

New light on UU Sagittae * [PDF]

Monthly Notices of the Royal Astronomical Society, 1993
New V and I band CCD photometry and medium resolution spectroscopy are used to derive the masses, luminosities and radii accurate to < 10% for the individual components of the eclipsing central star of the planetary nebula A63–UU Sge (M1 = 0.63 ± 0.06M⊙, R1 = 0.33 ± 0.01R⊙, M2 = 0.29 ± 0.04M⊙ and R2 = 0.53 ± 0.002R⊙).
S.A. Bell, D.L. Pollacco
openaire   +2 more sources

Chaetognatha of the Namibian upwelling region: taxonomy, distribution and trophic position. [PDF]

PLoS ONE, 2013
In October 2010, the vertical distribution, biodiversity and maturity stages of Chaetognatha species were investigated at four stations located off Walvis Bay, Namibia.
Karolina Bohata, Rolf Koppelmann
doaj   +1 more source