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  • 1
    Electronic Resource
    Electronic Resource
    Cephaloskeletal dysplasia (Taybi-Linder syndrome; osteodysplastic primordial dwarfism type III): report of two cases and review of the literature (2000)
    Springer
    Pediatric radiology 30 (2000), S. 644-652 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report two unrelated infants with cephaloskeletal dysplasia or Taybi-Linder syndrome, also referred to as osteodysplastic primordial dwarfism Type III. They presented with peculiar facial features, microcephaly and skeletal and cerebral abnormalities documented radiographically and with cranial MRI and/or CT. Some dissimilarities were observed in the skeletal findings between the two patients, most likely reflecting phenotypic variability within the same disorder. Some radiographic features were shown to evolve with time in both patients. Also of interest is the unusually long survival of these patients, more than 4 years in the first and of over 6 years in the second.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002470000264
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Insemination success discrepancy between long-term and short-term copulations in the provisioning shield bug, Parastrachia japonensis (Hemiptera: Cydnidae) (2000)
    Springer
    Journal of ethology 18 (2000), S. 29-36 
    Details
    ISSN: 1439-5444
    Keywords: Key words Insemination success ; Sperm transfer ; Copulation duration ; Hemiptera ; Female choice ; Mating behavior ; Male competition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The duration of copulation in the gregarious shield bug, Parastrachia japonensis Scott (Hemiptera: Cydnidae), is of two types, the far more prevalent short-term copulation (average, 15 s) and the long-term coupulation (average, 23 min). Both types were thought to be equally effective in inseminating females. Recent evidence has suggested that there is, in fact, a discrepancy in insemination success between the two duration types of copulations. We carried out manipulated field studies to clarify the difference in insemination success between the two duration types and to determine whether there is some physical or physiological variability in females or males that might affect female receptivity to a long-term copulation. The findings indicated that, although a small percentage of short-term copulations resulted in some sperm transfer, long-term copulations were a far more effective way for males to inseminate females. Further, females experiencing long-term copulations were found to be at a slightly more advanced stage of ovarian development than those experiencing only short-term copulations, and may be deciding whether a long-term copulation occurs. Male size does not appear to affect copulation duration. It is concluded that the long-term type of copulation is the actual effective copulation duration in this species and the objective of all females. Possible factors that might contribute to the prevalence of these two copulation durations are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101640070021
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A detailed analysis of two seismic sequences in Abruzzo, Central Apennines, Italy (2000)
    Springer
    Journal of seismology 4 (2000), S. 1-21 
    Details
    ISSN: 1573-157X
    Keywords: Apennines ; focal mechanisms ; seismicity ; source parameters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract A three-component digital seismic network has been installed along central Apennines since the end of 1991. Two seismic sequences having main shocks of magnitudes 3.9 and 3.7 were recorded in August 1992 and June 1994, respectively. A detailed analysis of these sequences, including multiplet relocation, fault-plane solutions and source parameter estimation, is performed in the present paper. A correlation analysis allowed us to recognize a number of correlated events in the two sequences which were used for relative locations using a master event technique. This analysis allowed to obtain a better alignment of epicentral data along two almost orthogonal directions, following an Apenninic and an anti-Apenninic trend. For the two sequences, fault-plane solutions were evaluated by using a first arrival technique, resulting in mechanisms with predominant normal faulting for the 1992 and 1994 swarms. S-wave polarization analysis allowed to check the stability of the previous solutions and to reduce their range of uncertainty. The same technique was also applied to derive the composite fault-plane solutions from the aftershocks, resulting in solutions which are in good agreement with those derived from the main shocks of both sequences. Source parameters were then derived from the three-component records of 28 well-recorded events with seismic moment in the range 8.5 × 1010–1.0 × 1014 Nm. Stress drops ranged in the interval 0.3–52.3 bar and source radii were of the order of 100 m. Their scaling relations are in good agreement with other results derived from the analysis of other Italian earthquakes that occurred in regions of predominantly normal faulting tectonics (Apennines and Calabrian arc).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009870327083
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  • 4
    Electronic Resource
    Electronic Resource
    A conservative semi-Lagrangian algorithm for one-dimensional advection-diffusion (1998)
    Chichester : Wiley-Blackwell
    Communications in Numerical Methods in Engineering 14 (1998), S. 671-679 
    Details
    ISSN: 1069-8299
    Keywords: advection-diffusion ; semi-Lagrangian ; stability ; accuracy ; QUICKEST ; DISCUS ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: This paper describes the incorporation of diffusive transport into the original semi-Lagrangian DISCUS algorithm for pure advection. An explicit treatment of diffusion is adopted following the approach used in the QUICKEST algorithm for advection-diffusion. The semi-Lagrangian treatment of the advection term relaxes the small time step restriction normally associated with Eulerian treatments of advection, but the Eulerian treatment of the diffusion term imposes conventional limitations on the scheme. Numerical experiments of advection-diffusion, however, indicate that DISCUS has advantages over the QUICKEST scheme for advection-diffusion in three key areas: stability, accuracy and computational efficiency. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 5
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    Rock properties of the upper-crust in Central Apennines (Italy) derived from high-resolution 3-D tomography (2007)
    American Geophysical Union
    Details
    Publication Date: 2017-04-04
    Description: High-resolution 3-D P and S-wave velocity models of a central sector of the Apennines (Central Italy) are computed by inverting first arrival times from an aftershock sequence (September–December, 1997) following the Mw 5.7 and Mw 6.0 Umbria-Marche earthquakes that occurred on September 26, 1997. The high quality of the data set, especially for the S-wave, allows us to compute 3-D variations in Vp, Vp/Vs and Vp · Vs. The anomalies can be interpreted as lateral changes in rock type and fracturing, which control fluid diffusion and variation in pore pressure. This is in agreement with a poro-elastic view that can be inferred from the spatio-temporal evolution of the seismic sequence.
    Description: Published
    Description: 61-4
    Description: open
    Keywords: Physical properties of rocks ; Seismicity and seismotectonics ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 246845 bytes
    Format: application/pdf
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  • 6
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    Overview of the Italian strong Motion database ITACA 1.0 (2012)
    Springer
    Details
    Publication Date: 2017-04-04
    Description: The Italian Strong Motion Database, ITACA, was developed within projects 2 S6 and S4, funded in the framework of the agreements between the Italian Department of 3 Civil Protection (Dipartimento della Protezione Civile, DPC) and the Istituto Nazionale di 4 Geofisica e Vulcanologia (INGV), starting from 2005. The alpha version of the database 5 was released in 2007 and subsequently upgraded to version 1.0 after: (i) including the most 6 recent strongmotion data (from2005 to 2007) recorded in Italy, in addition to the 2008 Parma 7 earthquake, M 5.4, and the M 4.0, 2009 Abruzzo seismic events; (ii) processing the raw 8 strong motion data using an updated procedure; (iii) increasing the number of stations with a 9 measured shear wave velocity profile; (iv) improving the utilities to retrieve time series and 10 ground motion parameters; (v) implementing a tool for selecting time series in agreement 11 with design-response spectra; (vi) compiling detailed station reports containing miscella12 neous information such as photo, maps and site parameters; (vii) developing procedures for 13 the automatic generation of station reports and for the updating of the header files. After such 14 improvements, ITACA 1.0 was published at the web site http://itaca.mi.ingv.it, in 2010. It 15 presently contains 3,955 three-component waveforms, comprising the most complete cata16 logue of the Italian accelerometric records in the period 1972–2007 (3,562 records) and the 17 strongest events in the period 2008–2009. Records were mainly acquired by DPC through its 18 Accelerometric National Network (RAN) and, in few cases, by local networks and temporary 19 stations or networks. This paper introduces the published version of the Italian StrongMotion 20 database (ITACA version 1.0) together with main improvements and new functionalities.
    Description: Published
    Description: 1723-1739
    Description: 5.2. TTC - Banche dati di sismologia strumentale
    Description: JCR Journal
    Description: open
    Keywords: italian strong motion data ; web-portal ; 05. General::05.02. Data dissemination::05.02.02. Seismological data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
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    Looking inside mt. vesuvius (2021)
    AGU
    Details
    Publication Date: 2021-12-15
    Description: Italy's Mt.Vesuvius has been slumbering for a long time, but its silence could preface an eruption with potentially disastrous ef­fects for 600,000 people living on the vol­cano's slopes. To assess the scenario of the next eruption, the National Group of Vol-canology (GNV) of the Italian National Coun­cil of Researches (CNR) has fostered research aimed at mitigating eruption risk to the densely populated area. In this framework, researchers have gathered high-resolution seismic tomography data to better under­stand the internal structure of Mt. Vesuvius. The experiments were carried out during the last 4 years. The data will be used in three-dimen­sional modeling of the structure of Mt. Vesu­vius and underlying upper crust. Seismic velocities and attenuation and density con­trasts will be calculated, with special empha­sis on the delineation of significant magma reservoirs of more than 1 km in diameter. In modeling Mt. Vesuvius, tools are being devel­oped for using seismogram information to ob­tain high-quality seismic imaging of heterogeneous structures such as volcanoes
    Description: Published
    Description: 229-230, 232
    Description: 2V. Struttura e sistema di alimentazione dei vulcani
    Description: N/A or not JCR
    Keywords: Tomography
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
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    Kleptoparasitism as an alternative foraging tactic for nest provisioning in a parental shield bug (2016)
    Oxford University Press
    Details
    Publication Date: 2016-11-26
    Description: Kleptoparasitism reduces the cost of acquiring resources and is typically an alternative tactic to self-foraging. Females of the provisioning shield bug, Parastrachia japonensis (Heteroptera: Parastrachiidae), kleptoparasitize conspecific nests, stealing drupes to provision their own nests. We tested 2 mechanisms that could lead to the behavior of stealing from nests: 1) an incidental encounter with another female’s nest when attracted by a drupe alone and 2) a specific attraction to another female’s nest, and discrimination between host/self nest, as an alternative foraging tactic to acquire high-quality drupes. These 2 pathways to kleptoparasitism could have very different consequences for thief and victim. In the laboratory, we tested whether females are attracted to other nests, and whether they target them to steal when foraging. Provisioning females entered other nests significantly more frequently than a clean control nest even when they did not contain drupes. Moreover, they entered another nest that contained a drupe significantly more frequently than a control nest with a drupe. Finally, when several drupes were present, females only stole a fresh drupe. These findings indicate that provisioning P. japonensis females are actively attracted to other females’ nests and support the alternative foraging tactic hypothesis. To the best of our knowledge, this is the first report of an insect outside the Hymenoptera being actively attracted to the nest of a conspecific when there was no food reward. We discuss how the behaviors and sensory mechanisms involved in provisioning behavior can be co-opted for stealing, as an alternative tactic to self-foraging.
    Print ISSN: 1045-2249
    Electronic ISSN: 1465-7279
    Topics: Biology
    Published by Oxford University Press
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