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  • 1
    Online Resource
    Online Resource
    Lateral Asymmetry in Animals : Predator-Prey Interactions, Dynamics, and Evolution (2022)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Ecology . ; Anatomy. ; Biomathematics. ; Behavior genetics. ; Evolution (Biology). ; Ecology. ; Anatomy. ; Mathematical and Computational Biology. ; Behavioral Genetics. ; Ecology. ; Evolutionary Biology.
    Description / Table of Contents: Chapter 1. Laterality of Fish – Anti-symmetry in Fish Populations Maintained by the Interspecific Interaction -- Chapter 2. Universality of laterality among fish and invertebrates in aquatic communities -- Chapter 3.Predominance of Cross Predation or Parallel Predation in Fish -- Chapter 4.Behavioral laterality in the scale-eating cichlid fish: detailed movement, development, and neuronal mechanisms -- Chapter 5.Models of Lateral Asymmetry Dynamics:Realistic Oscillations by Time Delay andFrequency Dependence -- Chapter 6.Mathematical models of predators and prey with laterality -- Chapter 7.Statistical Analysis of Lateral Asymmetry:Detect Antisymmetry and Oscillation fromUnequal-Interval Binomial Data -- Chapter 8.Models of Genetic System of LateralAsymmetry: Population Dynamics DriveEvolution of Genetic System -- Chapter 9.Mechanisms Underlying Variations in the Dentition Asymmetry of Asian Snail-Eating Snakes -- Chapter 10.Single-gene speciation, balanced polymorphism, and antagonistic coevolution in left-right asymmetry of land snails.
    Abstract: This book presents the latest research findings on the laterality of fish and other animals. It describes all aspects of lateral asymmetry, including ecology, morphology, behaviour, dynamics of lefty and righty morphs, genetics and evolution, through field observations, experiments and modeling. Lateral asymmetry in scale-eating cichlids gives a simple and beautiful example of negative frequency-dependent selection and resulting oscillation of lefty and righty morph frequencies. Lateral dimorphism is found not only in scale-eaters but in all orders of fish, shrimps and cuttlefish. Lateral asymmetry interacts between species through "cross-predation." Contrary to fish, lateral asymmetry in snails acts as, in most cases, positive frequency-dependent selection and provides deep insights into speciation. Especially, snakes eating righty snails facilitate speciation of lefty snails. As a collaboration work of field ecologists and theoretical biologists, this book covers a variety of topics on lateral asymmetry, which are consistently related to predation. The topics include behavioral ecology, population dynamics, physiology, evolution, genetics, development, learning and neuroscience, statistics, with the subjects of fish, shrimp, prawn, and crayfish, crab, cuttlefish, and snake and snail. Chapters cover new research results such as cuttlefish laterality dynamics, interaction between laterality of snails and snakes, evolution of laterality genetic system, and statistical analysis of laterality oscillation. Readers will appreciate the simplicity and beauty of lateral asymmetry and its profound impact on ecology and evolution.
    Type of Medium: Online Resource
    Pages: XII, 295 p. 1 illus. , online resource.
    Edition: 1st ed. 2022.
    ISBN: 9789811913426
    Series Statement: Ecological Research Monographs,
    URL: https://doi.org/10.1007/978-981-19-1342-6
    DOI: 10.1007/978-981-19-1342-6
    DDC: 577
    Language: English
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  • 2
    Online Resource
    Online Resource
    Clinical Neuroembryology : Development and Developmental Disorders of the Human Central Nervous System (2023)
    Cham :Springer International Publishing :
    Details
    Keywords: Developmental neurobiology. ; Neuroanatomy. ; Nervous system Diseases. ; Neurosciences. ; Neurology . ; Development of the Nervous System. ; Neuroanatomy. ; Neurological Disorders. ; Neuroscience. ; Neurology.
    Description / Table of Contents: Overview of the Development of the Human Brain and Spinal Cord -- Mechanisms of Development -- Causes of Congenital Malformations -- Neurulation and Neurulation Defects -- The Neural Crest and Craniofacial Malformations -- Development and Developmental Disorders of the Spinal Cord -- Development and Developmental Disorders of the Brain Stem -- Development and Developmental Disorders of the Human Cerebellum -- Development and Developmental Disorders of the Forebrain -- Development and Developmental Disorders of the Cerebral Cortex.
    Abstract: This book provides a comprehensive overview of the development of the human central nervous system (CNS) in the context of its many developmental disorders due to genetic, environmental and hypoxic/ischaemic causes. The book contains three general, introductory chapters in which an overview of the development of the human brain and spinal cord, a summary of mechanisms of development as obtained in experimental studies in various invertebrates and vertebrates, and an overview of the causes of congenital malformations are presented. The developmental disorders of the human brain and spinal cord are presented in a regional, more or less segmental way, starting with neurulation and neural tube defects, and ending with developmental disorders of the cerebral cortex. These chapters are abundantly illustrated in colour with carefully chosen clinical case studies with imaging data, and when available, postmortem verification of the developmental disorders involved. In the third edition, more emphasis has been given to the developmental ontology based on the prosomeric approach, and fetal development. Prenatal diagnosis by ultrasound, MRI and DTI, and classifications of developmental disorders have been updated. A number of new Clinical Cases have been included. Several new co-authors participate in various chapters. The book is intended for advanced medical students, and all those clinicians working with children and adults with developmental disorders of the CNS. Unique to the book is the integration of data from human embryology, experimental and molecular findings in mice in particular, imaging and developmental neuropathology.
    Type of Medium: Online Resource
    Pages: XVI, 916 p. 606 illus., 176 illus. in color. , online resource.
    Edition: 3rd ed. 2023.
    ISBN: 9783031260988
    URL: https://doi.org/10.1007/978-3-031-26098-8
    DOI: 10.1007/978-3-031-26098-8
    DDC: 573.838
    Language: English
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  • 3
    Online Resource
    Online Resource
    International Development and the Environment : Social Consensus and Cooperative Measures for Sustainability (2020)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Sustainability. ; Climatology. ; Economic development. ; Environmental law, International. ; Sustainability. ; Climate Sciences. ; Development Studies. ; International Environmental Law.
    Description / Table of Contents: - Development and the Environment: Society, Business and Social consensus -- Sustainable Development Goals and International Governance: Indicators as a Key Mechanism for Success -- Social Development and the Environment – A View from Solid Waste Management -- Engaging Business: UN Sustainable Development Goals and Climate Change -- FSC as a Social Standard for Conservation and the Sustainable Use of Forests: FSC Legitimation Strategy in Competition -- China’s Climate and Development Policy: the interplay between political sentiments and external commitments -- Global Environmental Treaty Regimes as Balancer between Environmental Conservation and Economic Growth: Facilitating Effective Implementations of Global Environmental Treaty Regimes -- Stabilizing International Environmental Agreements. .
    Abstract: This book analyzes the interplay between development and the environment, focusing on how to forge social consensus and practices in the international community. Since the Rio Earth Summit in 1992, sustainable development has increasingly attracted the attention of the international community, and several international agreements have been concluded to combat issues such as climate change. The Sustainable Development Goals (SDGs) were introduced as common objectives, and the Paris Agreement was adopted as a subsequent outcome. In light of today’s globalized world, how to best achieve sustainable development—and prioritize climate change in particular—is an issue involving various perspectives on the environment and economic development in the global community. The book provides students, businesspeople and government officials with a concept of sustainable development that is based on using social consensus, social norms, and practices (cooperative global actions) to achieve common goals. It is divided into three parts, the first of which focuses on the goals and development needed to achieve sustainable development. The second part explores measures to promote sustainable development, while the third highlights current climate change issues and aspects related to the effective implementation of international frameworks.
    Type of Medium: Online Resource
    Pages: XI, 106 p. 14 illus., 11 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9789811335945
    Series Statement: Sustainable Development Goals Series,
    URL: https://doi.org/10.1007/978-981-13-3594-5
    DOI: 10.1007/978-981-13-3594-5
    DDC: 304.2
    Language: English
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  • 4
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    Catalogue and Systematics of Pliensbachian, Toarcian and Aalenian Radiolarian Genera and Species (2022)
    ZRC SAZU, Založba ZRC
    Details
    Publication Date: 2024-04-14
    Description: This volume comprises a catalogue of 90 genera, 274 species and 13 subspecies of Pliensbachian, Toarcian and Aalenian Radiolaria. Two genera, 37 species and 3 subspecies are new formal descriptions, 24 species are described in open nomenclature. Each taxon is presented with a complete and up-to-date synonymy, original description and original remarks (translated into English where necessary), subsequent emendations, remarks by the authors of this catalogue, and etymology. Descriptions of species/subspecies further contain the original measurements, type locality, and data on geographic distribution. Plates illustrate the holotype and one or several specimens from our material, from different paleogeographic realms where possible. The material was collected from 30 measured sections in the Circum-Pacific belt (Baja California Peninsula, Oregon, British Columbia, Japan) and the Tethyan realm (Oman, Turkey, Slovenia, Austria). Abbreviated locality information and a list of all treated taxa are given in the last two chapters.A useful book for paleontologists interested in taxonomy of Jurassic radiolarians.
    Description: Katalog obsega 90 rodov, 274 vrst in 13 podvrst radiolarijev iz treh stopenj v spodnji in srednji juri: pliensbachija, toarcija in aalenija. Dva rodova, 37 vrst in 3 podvrste so formalno opisani novi taksoni, 24 vrst je opisanih v odprti nomenklaturi. Vsak takson je predstavljen z vso dosedanjo sinonimiko, originalnim opisom in originalnimi opombami (v prevodu, če originalni jezik ni angleščina), poznejšimi revizijami, pripombami avtorjev tega kataloga in etimologijo. Opisi vrst in podvrst vsebujejo še originalne meritve, ime tipične lokalitete in podatke o geografski razširjenosti. Vsaka vrsta ali podvrsta je predstavljena s samostojno tablo, na kateri so slike holotipa in več primerkov iz naših vzorcev. Kjer je mogoče, so ilustrirani primerki z različnih paleogeografskih območij. Vzorci so bili pobrani na 30 profilih, posnetih v cirkumpacifiškem pasu (Kalifornijski polotok, Oregon, Britanska Kolumbija, Japonska) in v območju Tetide (Oman, Turčija, Slovenija, Avstrija). Dodatek na koncu knjige vsebuje kratek opis vzorčevanih profilov in seznam vseh obravnavanih taksonov.
    Keywords: Jurassic ; radiolarians ; systematics ; jura ; mreževci ; sistematika ; thema EDItEUR::W Lifestyle, Hobbies and Leisure::WN Nature and the natural world: general interest::WNR Rocks, minerals and fossils: general interest
    Language: English
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  • 5
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    Preliminary Statistical Comparisons of Spin-Averaged Electron Data from Arase and Van Allen Probes Instruments (2021)
    In:  Journal of Geophysical Research: Space Physics
    Details
    Publication Date: 2022-03-19
    Description: Following the end of the Van Allen Probes mission, the Arase satellite offers a unique opportunity to continue in-situ radiation belt and ring current particle measurements into the next solar cycle. In this study we compare spin-averaged flux measurements from the MEPe, HEP-L, HEP-H, and XEP-SSD instruments on Arase with those from the MagEIS and REPT instruments on the Van Allen Probes, calculating Pearson correlation coefficient and the mean ratio of fluxes at L* conjunctions between the spacecraft. Arase and Van Allen Probes measurements show a close agreement over a wide range of energies, observing a similar general evolution of electron flux, as well as average, peak, and minimum values. Measurements from the two missions agree especially well in the 3.6 ≤ L* ≤ 4.4 range where Arase samples similar magnetic latitudes to Van Allen Probes. Arase tends to record higher flux for energies 〈 670 keV with longer decay times after flux enhancements, particularly for L* 〈 3.6 . Conversely, for energies 〉 1.4 MeV, Arase flux measurements are generally lower than those of Van Allen Probes, especially for L* 〉 4.4 . The correlation coefficient values show that the 〉 1.4 MeV flux from both missions are well correlated, indicating a similar general evolution, although flux magnitudes differ. We perform a preliminary intercalibration between the two missions using the mean ratio of the fluxes as an energy- and L*- dependent intercalibration factor. The intercalibration factor improves agreement between the fluxes in the 0.58-1 MeV range.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 6
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    Plasma and field observations in the magnetospheric source region of a stable auroral red (SAR) arc by the Arase satellite on 28 March 2017. (2020)
    In:  Journal of Geophysical Research: Space Physics
    Details
    Publication Date: 2021-04-01
    Description: The conjugate measurements of a detached SAR arc on 28 March 2017 are analyzed using observations from the Arase satellite. Swarm and GNSS‐TEC data show that the electron density decreased and the electron temperature increased in the ionosphere above the SAR arc. The observed plasmas and electromagnetic fields suggest that Coulomb collision is the most plausible mechanism for the SAR‐arc generation.
    Language: English
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  • 7
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    Dynamics of ionospheric plasma in the plasma sheet (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-07-25
    Description: One of the characteristics that distinguishes the storm-time plasma sheet from the non-storm-time plasma sheet is the enhanced contribution of ionospheric heavy ions, particularly O+. Enhanced outflow is observed throughout the auroral oval during a storm, from the dayside cusp region to the nightside auroral region. The dayside cusp outflow can be enhanced prior to the storm main phase, particularly in association with coronal mass ejections, and it then convects through the lobe to reach the plasma sheet. The nightside aurora shows high fluxes of bursty outflow during the main phase. Recent results have shown that the source of the near-earth plasma sheet can change dramatically during storms in response to changes in the interplanetary magnetic field. This talk will use a combination of statistical measurements from FAST/TEAMS in the auroral regions with recent measurements from the Arase, MMS and Van Allen Probes satellites to address the conditions that drive the outflow and bring it into the plasma sheet. The goal is to understand how the system-level drivers enhance the ionospheric contribution, and how that affects the geomagnetic storms.
    Language: English
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  • 8
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    Torsional oscillations in Jupiter and their link to tropospheric variability (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
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    Publication Date: 2023-07-31
    Description: Jupiter’s weather layer exhibits long-term and quasi-periodic cycles of meteorological activity. There are cycles with intervals from 4 to 9 years, dependent on the latitude, which were detected in 5μm radiation, which provides a window into the cloud-forming regions of the troposphere. However, the origin of these cycles has been a mystery. We propose that magnetic torsional oscillations/waves arising from the dynamo region could modulate the heat transport and hence be responsible for the variability of the tropospheric activity. These axisymmetric waves are magnetohydrodynamic waves influenced by the rapid rotation, which have been detected in Earth’s core. Using the Juno magnetic field model, together with the density distribution model, we compute the expected speed of these waves. For the wave excited by variations in the zonal jet flows, their wavelength can be estimated from the width of the alternating jets, yielding waves with a half period of 3-5 years at mid latitudes, consistent with the intervals with the cycles of variability of Jupiter’s North Equatorial/Temperate Belt identified in the visible and infrared observations. The nature of these waves is revealed by technique, dynamic mode decomposition, applied to the spatio-temporal data for 5μm emission. Our results imply that exploration of these magnetohydrodynamic waves may provide a new window to the origins of quasi-periodic patterns in Jupiter's tropospheric clouds and to the internal dynamics/dynamo of Jupiter.
    Language: English
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  • 9
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    Using multipoint observations to quantify microburst precipitation caused by whistler mode chorus waves (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
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    Publication Date: 2023-07-25
    Description: Microbursts are impulsive injections of energetic (few keV to MeV) electrons into the atmosphere, primarily caused by nonlinear scattering by whistler mode chorus waves. While the relative importance of microburst precipitation as a loss process has not been fully quantified, many studies have shown microbursts may be a major loss source for outer radiation belt electrons. Conjunction observations between the FIREBIRD II CubeSats and Van Allen Probes (RBSP) from 2015 – 2019 have presented the opportunity to quantify the importance of microburst precipitation. We utilize this conjunction dataset, along with additional observations of chorus and microburst precipitation, when available, to constrain the size of the microburst-producing chorus region. We will present statistical results for the upper and lower bounds on the size of the region. Additionally, we will discuss wave properties, including amplitude, wave normal angle, duration, and microburst properties including flux and duration to further understand the observable dependence.
    Language: English
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  • 10
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    What Erodes the Plasmasphere so Severely? ~A Comparative study of ring current fluxes in two moderate geomagnetic storms~ (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-07-03
    Description: Using the plasma instruments (LEPi, LEPe, MEPi and MEPe) onboard the Arase satellite, we can comprehensively investigate the fluxes of electrons and ions with different energies. Also, the in-situ electron density can be estimated by using the upper hybrid resonance frequencies detected from the plasma wave spectrum. The geomagnetic storm that commenced on 8 September 2017 has a Dst minimum of -147nT and appears to be a medium-sized magnetic storm at first glance, but it is known that it was a peculiar magnetic storm in various ways. For example, it is an extreme erosion of the plasmasphere to around L=1.5, and a strong SAPS generation. Our previous research suggested that this extreme erosion of the plasmasphere was the result of a convective electric field that continued to penetrate into the magnetic equatorial region for more than 6 hours, however, the reason for the continuation of the convection field was unclear. We therefore compare the evolution of ring current particles during this peculiar magnetic storm to the magnetic storm which commenced on 25 August 2018, which has a similar Dst minimum (-175nT) and erode plasmasphere to around L=2.5.
    Language: English
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