cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Climate driven changes in the spawning of roach (Rutilus rutilus (L.)) and bream (Abramis brama (L.)) in the Estonian part of the Narva River basin
Creators: name: Nõges, P.
name: Järvet, A.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2005

description: Increasing water temperature in spring in Estonian inland waters has affected differently the spawning of roach and bream. Within forty years (1951–1990), the spawning of bream shifted, on average, to a ten days earlier period but the range of spawning temperature remained unchanged, while there was no shift in the spawning time for roach, which started to spawn at about three degrees higher water temperature than earlier. The difference between spawning times of roach and bream decreased from an average 22 to 13 days and the difference in average temperatures at the onset of spawning by about 3 °C. Besides water temperature, the timing of spawning was also related to the water level in spring: in years with higher water levels in March or April both fish species started to spawn earlier. The effect of water level changes on spawning was more pronounced in shallower Võrtsjärv than in Lake Peipsi.
Comparison of new particle formation events at two locations in northern Finland
Creators: name: Komppula, M.
name: Dal Maso, M.
name: Lihavainen, H.
name: Aalto, P. P.
name: Kulmala, M.
name: Viisanen, Y.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2003

description: During 21 months (April 2000–December 2001) of continuous aerosol particle number size distribution measurements in a subarctic area in northern Finland over 90 new particle formation events were observed. Measurements were done at two stations separated from each other by 250 kilometres. The Pallas station is located in western Lapland and Värriö station in eastern Lapland. New particle formation events were compared between the stations. Trajectories, trace gas concentrations and various weather parameters were investigated to explain the reasons for observed differences. According to trajectory analyses, all events were associated with marine/polar air masses originating from the northern Atlantic or the Arctic Ocean. 55% of particle formation events were observed at the same day on both sites, while on 45% of the cases particle formation was observed only at one of the stations. Most of these differences were explained by air masses of different origin or rain/fog on the other station. Among events observed only at the Värriö site, experiencing air masses from Kola Peninsula industrial area, about 80% were associated with high SO2 concentrations. At the Pallas site no increase in SO2 concentrations was observed. This is an indication that in plumes originating from the Kola industrial area, new particles are formed by nucleation involving H2SO4 from SO2 oxidation. The distance from Kola Peninsula to Pallas is long enough to reduce the SO2 concentration level lower than needed to launch the nucleation process at Pallas. Also on some occasions the air masses arriving at Pallas had been reasonably higher up in the atmosphere as compared with air masses at the site closer to Kola Peninsula. Air masses at higher altitudes are not influenced so much by the Kola industry. Based on this work about one third of the nucleation events observed at Värriö are effected or caused by the Kola Peninsula industry.
The recovery of Vesijärvi, a lake in southern Finland: water quality and phytoplankton interpretations
Creators: name: Keto, J.
name: Tallberg, P.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2000

description: The recovery of formerly heavily eutrophicated Vesijärvi from noxious cyanobacterial blooms is described in terms of changes in phytoplankton and water quality. Substantial water protection and restoration measures were introduced since 1975. Two main turning points in the phytoplankton community structure occurred: a shift from Planktothrix agardhii- to Aphanizomenon flos-aquae-dominant blooms in the early 1980s and the total collapse of the cyanobacterial blooms in 1990. Both shifts were closely connected to the decrease in the nutrient concentrations (total N decreased from 800 mg m–3 to 600 mg m–3 and total P from 60 mg m–3 to 30 mg m–3), to the increase in water transparency, and to the elimination of extremely high pH values (> 9). In the mid-1990s the water quality as well as the species composition and the biomass of phytoplankton in Vesijärvi resembled the situation in the late 1950s.
Productivity of boreal forests in relation to climate and vegetation zones
Creators: name: Solantie, R.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2005

description: Many properties of forest stands in the boreal main zone have means that are specific to each boreal zone (i.e. subzones of the main climatic zone). These properties are arranged in zonal systems, called forest vegetational zones. The paper examines the vegetative productivity using three climatic variables: the effective temperature sum, the duration of the vegetation period, and the maximum soil frost penetration; each of them means for the period 1961–2000. Soil frost penetration was calculated mainly as a function of snow depth and frost sum. The productivity for each boundary between the boreal forest vegetational zones in Finland was obtained mainly from Ilvessalo, beginning with the boundary between the hemiboreal and southern boreal zones in the south and ending at the boundary between the middle and northern boreal zones in the north. The regional distribution of residuals reflects the regional variation of the soil fertility. A hypothesis that each boundary corresponds to a certain productivity from the western coast of Norway to western Siberia, was tested. The productivity for the boundary between the hemiboreal and temperate zones was found to be in accordance for the limit determined by vegetation. Some applications of the results are presented.
Effective and efficient modeling of the hydrodynamics for bacterial flagella
Creators: name: Liu, Baopi
name: Chen, Lu
name: Zhang, Ji
Publisher: name: arXiv
Year: 2024
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: The hydrodynamic interactions among bacterial cell bodies, flagella, and surrounding boundaries are essential for understanding bacterial motility in complex environments. In this study, we demonstrate that each slender flagellum can be modeled as a series of spheres, and that the interactions between these spheres can be accurately characterized using a resistance matrix. This approach allows us to effectively and efficiently evaluate the propulsive effects of the flagella. Notably, our investigation into bacterial motility near a colloidal sphere reveals significant discrepancies between results derived from the twin multipole moment and those obtained through resistive force theory. Consequently, neglecting the hydrodynamic interactions among cell bodies, flagella, and colloidal spheres may lead to substantial inaccuracies. Our model simplifies bacteria into a series of spheres, making it well-suited for examining bacterial motility near spherical boundaries, as well as the nonlinear deformation dynamics of elastic flagella.
Diet composition influences the growth of the pelagic mysid shrimp, Mysis mixta (Mysidacea)
Creators: name: Lehtiniemi, M.
name: Viitasalo, M.
name: Kuosa, H.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2002

description: We studied the growth, feeding, and elemental composition of Mysis mixta from June to September 1997 in the northern Baltic Sea. In June the juvenile population had a unimodal size distribution (mean length ~6 mm), but in July–August, the population was divided into two cohorts. A stomach content analysis showed that the mysids in the larger and faster growing cohort fed significantly more on crustacean zooplankton and pelagic material than the smaller one: the mean ratios of zooplankton:phytoplankton and pelagic:benthic particles in July–August were respectively 0.27 and 0.11 for the small cohort, and 0.54 and 0.36 for the large cohort. This suggests that food quality and its energy content are important in influencing the growth of pelagic mysids in the northern Baltic. The C:N ratio of the two cohorts did not vary much, which shows that ingestion of food items with varying elemental content is not necessarily reflected in the elemental composition of consumers.
Miscera dohertyi Kallies 1998
Creators: name: Ahmad, Jalil
name: Joshi, Rahul
name: Singh, Navneet
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Brachodidae
Miscera
Miscera dohertyi

description: 3. Miscera dohertyi Kallies, 1998a: 325
Type locality: Khasis Hill [India].
Distribution: North east India, Meghalaya (Khasi Hills, Cherrapunji). Global records: not known.
description: Published as part of Ahmad, Jalil, Joshi, Rahul & Singh, Navneet, 2023, An updated Catalogue of Cossoidea (Lepidoptera) from India, pp. 301-348 in Zootaxa 5330 (3) on page 306, DOI: 10.11646/zootaxa.5330.3.1, http://zenodo.org/record/8254738
Retrieval of the spatial distribution of liquid water path from combined ground-based and satellite observations for atmospheric model evaluation
Creators: name: Feijt, A.J.
name: Jolivet, D.
name: van Meijgaard, E.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2002

description: In the framework of CLIWA-Net, observations and model values of cloud properties are compared. The observations are obtained from a network of ground-based radiometers and polar orbiting meteorological satellites. The project includes a number of novel aspects among which the retrieval of the horizontal distribution of cloud liquid water from a combination of AVHRR and ground-based measurements. This new approach results in a spatial distribution of LWP of optimum accuracy. A case study is presented, that demonstrates the added value of this approach for atmospheric model evaluation.
Precision System for Early Detection of Brain Tumor
Creators: name: Gayathri S, Ms.Sathya P
Publisher: name: Zenodo
Year: 2025

description: This research presents an intelligent system for brain tumor detection using deep learning andexplainable AI techniques. The proposed framework employs a convolutional neural network (CNN)model trained on MRI scans to classify tumors with high accuracy, complemented by a web-based interfacefor clinical deployment. The system integrates gradient-based saliency mapping to provide visualexplanations of model predictions, enhancing interpretability for medical professionals. A Flask-basedREST API serves as the backend, processing image uploads and delivering real-time predictions along withconfidence scores. The implementation includes Power BI integration for analytics and monitoring ofdiagnostic outcomes. Experimental results demonstrate the system's effectiveness in tumor classification,with quantitative evaluation of both diagnostic accuracy and computational performance.The solution addresses key challenges in medical AI, including model transparency and clinical workflowintegration. The saliency maps offer radiologists intuitive visualizations of the model's decision-makingprocess, while the lightweight web architecture ensures practical deployment in healthcare settings. Thiswork contributes to the field of computer-aided diagnosis by combining state-of-the-art deep learning withexplainability features and scalable system design.
Datafying education: How digital assessment practices reconfigure the organisation of learning
Creators: name: Breiter, Andreas
name: Jarke, Juliane
Publisher: name: Universität Bremen
Year: 2016
Subjects: subject: Digitalisierung
subject: Bildung
subject: 370

description: In the past decade, an ever increasing trend to capture (social) life in numbers became a prominent instantiation of the so-called ‘audit society’ (Power 1999). With this turn, almost all aspects of social life have become measured and quantified. This datafication of social life raises expectations concerning increased transparency, accountability and civic participation but also associated fears with respect to surveillance, privacy issues, a data literacy divide and control (Kitchin 2014; Borgman 2015; Gitelman 2013). Datafication as a trend of a changing media environment affects many social domains significantly, and one of the most noticeable of these are organisations of education (Piety 2013). It relates for example to schools’ performances and student achievements which are compared on a national and international scale; it may affect salaries of teachers and school managers which are adjusted according to test scores as well as decision-making of parents for school choice or communication and control of teachers. Assessments have always been decisive features of learning and are pervasive within education: School exams evaluate pupils; achievement tests measure and select students for higher education, school performance studies such as PISA measure and compare whole educational systems. With the ever growing use of information and communication technologies to support the organisation of learning and teaching new devices for monitoring, evaluating, and ranking the performance of individual learners and of educational institutions/systems have become available. They range from computer-based tests to learning analytics on large-scale data in complex information systems. They allow the ‘recording, storage, manipulation and distribution of data in digital form’ (Selwyn 2015: 64). Digital data are distinct from pre-digital forms as they may be exhaustive in scope, highly detailed and can be combined in a flexible manner and at different aggregation levels, bringing together ‘datasets of different times, from different places or gathered at different times’ (Parks 2014: 356). Such possibilities have always existed on a small scale, but new data infrastructures for accountability (Anagnostopoulos et al. 2013) and algorithmic capabilities allow for analytics on an ‘unprecedented complexity and scope’ (Parks 2014: 356). Within the educational context, more data and more heterogeneous data are being generated—deliberately—for monitoring, surveillance or evaluation purposes but also— automatically—through routine operations of digital devices and systems (Selwyn 2015: 65).
Muscle chemical content and hepatic biotransformation in bream (Abramis brama) and asp (Aspius aspius) in a PCB-contaminated lake
Creators: name: Koponen, K.
name: Huuskonen, S.
name: Ritola, O.
name: Venäläinen, R.
name: Tarhanen, J.
name: Lindström-Seppä, P.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2003

description: During the period of 1956–1983, an approximated amount of 900 liters of polychlorinated biphenyls (PCBs) was discharged into a small freshwater lake in southern Finland. Biomonitoring study of the lake in 1998 revealed clearly detectable muscle PCB concentrations in the two feral fish species studied, bream (Abramis brama) and asp (Aspius aspius), suggesting persistent PCB contamination in the lake. The muscle PCB contents in bream and asp were 18 and 59 times higher than the corresponding values measured in reference locations. The hepatic monooxygenase EROD activities were significantly induced in fish caught from the lake, underlining the biomarker value of EROD measurements in monitoring long-term chemical exposure in field studies. The conjugation GST activities showed mostly seasonal differences and did not indicate the chemical stress of fish.
How to conduct interviews on media repertoires as routine practices – problems and empirical experiences
Creators: name: Klein, Juliane
name: Schimank, Uwe
name: Walter, Michael
Publisher: name: Universität Bremen
Year: 2016
Subjects: subject: Medienanalyse
subject: Medienforschung
subject: 300

description: Against the backdrop of a changing media environment, the practices individuals apply on a daily basis and in different life spheres have altered dramatically. Small investors, for instance, increasingly rely on the internet to follow financial market trends online or to gather information on the background of companies before investing in their stocks. However, it is an open question whether or not the individual is conscious or rather unaware of these changed practices since the use of different media might be inherent to their daily routine. This potential lack of awareness makes it difficult to research the role these Transforming Communications play in the individual’s conduct of life. Therefore, the purpose of this methodical chapter is to identify an interviewing strategy for cross-media studies that meet the requirement of openness so as to ensure the respondents’ freedom to set their own relevance structures, while at the same time maintaining the thematic focus on the interviewees’ media repertoire. Openness is the main principle that distinguishes qualitative social research from the quantitative approach. While in quantitative empirical research the investigator sets the relevance structures with the help of pre-formulated categories, the aim of qualitative empirical research is to avoid imposing a structure, but to reconstruct actors’ subjective relevance through the principle of openness (e.g. Przyborski/Wohlrab-Sahr 2009; 140). In the same vein, we aim to reconstruct the relevance individuals attach to their media repertoires and to media change in their conduct of life with respect to disturbances and coping.
title: Algorithmic management
title: Bright and dark sides, practical implications, and research opportunities
titleType: Subtitle
Creators: name: Benlian, Alexander
name: Wiener, Martin
name: Cram, W. Alec
name: Krasnova, Hanna
name: Maedche, Alexander
name: Mohlmann, Mareike
name: Recker, Jan
name: Remus, Ulrich
Publisher: name: Universität Potsdam
Year: 2024
Subjects: subject: 004 Datenverarbeitung; Informatik
subject: 330 Wirtschaft

description: Zweitveröffentlichungen der Universität Potsdam : Wirtschafts- und Sozialwissenschaftliche Reihe; 174
Interacting in the dark: a study of the diel vertical migrations of pelagic plankton and fish in Lake Ladoga
Creators: name: Rahkola, M.
name: Avinski, V.
name: Holopainen, A.-L.
name: Jurvelius, J.
name: Karjalainen, J.
name: Viljanen, M.
Publisher: name: Boreal Environment Research Publishing Board
Year: 1999

description: The diel vertical distribution of nutrients, phytoplankton, zooplankton and fish were studied simultaneously at two pelagial stations in Lake Ladoga in August 1995. At one site (Valaam) cryptophyceans dominated in phytoplankton, while at the other (Konevits) diatoms were more common. In Valaam the algae were distributed unevenly, mainly in the surface layers, while in Konevits the algae were distributed evenly throughout the entire 0–20 m layer. In Valaam a clear diel migration pattern was observed by most of studied zooplankton taxa, while in Konevits only large Cyclops and Limnocalanus migrated. The peak total density of pelagic fish was more than twice as high in Konevits as in Valaam, while the zooplankton density was three times lower in Konevits than in Valaam. In Valaam the clear surface maximum of cryptophyceans probably affected the migration pattern of most species of herbivorous zooplankton. In Konevits the lower temperature in the metalimnion, where the daytime zooplankton maximum occurred, and evenly distributed food resources may have limited zooplankton migration, despite the existing predation pressure.
pH: A core node of interaction networks among soil organo-mineral fractions
Creators: name: Niu, Bin
name: Lei, Tianzhu
name: Chen, Qiuyu
name: Shao, Ming
name: Yang, Xiaoqin
name: Jiao, Hongzhe
name: Yang, Yibo
name: Guggenberger, Georg
name: Zhang, Gengxin
Publisher: name: Amsterdam [u.a.] : Elsevier Science
Year: 2023
Subjects: subject: Alpine ecosystems
subject: Major metal cations
subject: Network
subject: pH
subject: Precipitation
subject: Sequential chemical extraction
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit
subject: Dewey Decimal Classification::600 | Technik
subject: Dewey Decimal Classification::600 | Technik::690 | Hausbau, Bauhandwerk

description: Mineral-associated organic matter (MAOM) is the largest soil organic carbon (OC) pool with the longest turnover. MAOM is expected to have relatively little sensitivity to climate change due to mineral protection, but its persistence involves several organo-mineral fractions. The uncertainty in the response of specific organo-mineral fractions to climate change hampers the reliability of predictions of MAOM preservation in the future. Here, we applied a sequential chemical fractionation method integrated with network analysis to investigate MAOM stabilization mechanisms across five alpine ecosystems: alpine desert, alpine steppe, alpine meadow, alpine wetland, and alpine forest. Hierarchical cluster analysis revealed grouping of seven extractable OM fractions in MAOM into three OM clusters: a cluster with weak bondings consisting of water-soluble OM (WSOM) and weakly adsorbed fractions (2.1–21.3% of total OC); a cluster with metal-bound complexes comprising Ca-OM complexes and Fe/Al-OM complexes (3.8–12.2% of total OC); and a cluster with strong bonding composed of Al oxyhydroxides, carbonates and Fe oxyhydroxides (12.2–33.5% of total OC). The relative percentages of OM from soils of the five ecosystems in the three clusters exhibited distinct pH dependence patterns. With the increase in pH, the cluster with weak bondings decreased, and that with strong bondings increased, while the one with metal-bound complexes showed a maximum at weakly acidic pH. Organo-mineral fractions and metal cations in MAOM constructed a complex network with pH as the central node. Results suggest that precipitation does not only alter vegetation type and microbial biomass but also regulate soil pH, which is balanced by specific metal cations, thus resulting in particular pH preference of specific OM clusters. These findings demonstrate that soil pH plays a central role in unveiling MAOM dynamics and can serve as a good predictor of soil organo-mineral fractions across alpine ecosystems.
Between proximity and distance: Including the audience in journalism (research)
Creators: name: Loosen, Wiebke
name: Schmidt, Jan-Hinrik
Publisher: name: Universität Bremen
Year: 2016
Subjects: subject: Medienwandel
subject: Massenmedien
subject: 70

description: Diskussionen darüber, was der Journalismus bietet und was das Publikum auswählt, haben in der Kommunikationsforschung eine lange Tradition und sind regelmäßig Teil der öffentlichen Debatte über die (Un-)Fähigkeit des Journalismus, die Anforderungen und Bedürfnisse seines Publikums zu erfüllen. Die meisten würden zustimmen, dass der Zweck des Journalismus nicht darauf reduziert werden kann, „den Leuten zu geben, was sie wollen“, während sie gleichzeitig die Journalisten davor warnen, die Präferenzen ihres Publikums zu ignorieren. Im Kern geht es bei diesen Debatten um das angemessene oder funktionale Maß an Nähe und Distanz zwischen Journalismus und Publikum (Görke 2014). Doch was bedeutet „angemessenes Verhältnis“, und wer entscheidet darüber und zu welchem Zweck? Allgemeiner gefragt: Wie definieren wir Nähe und Distanz zwischen Journalismus und Publikum, und wie können wir messen und bewerten? Und aus einer grundlegend theoretischen Perspektive: Um welche Art von Beziehung handelt es sich überhaupt? Diese Fragen werden umso dringlicher, als die Medienpraktiken im Zeitalter des Internets die Grenzen zwischen Nachrichtenproduzenten und -konsumenten sowie zwischen Produktion und Konsum verschwimmen lassen. Insbesondere die Integration sozialer Medien in das Medienrepertoire von Individuen und Medienorganisationen zwingt uns, diese für den Journalismus und die Publikumsforschung gleichermaßen grundlegenden, ja konstitutiven Kategorien neu zu überdenken. Die Fluidität und Prozesshaftigkeit dieser Entwicklungen ist auch in hybriden Begriffen erfasst worden: „Massenselbstkommunikation“ (Castells 2009: 58-70), „Produsage“ (Bruns 2008), „Personal Media“ (Lüders 2008) oder „Personal Publics“ (Schmidt 2014) sind neue Konzepte, die versuchen, das sich verschiebende Verhältnis zwischen professionellem Journalismus und aktivem Publikum und die „Entgrenzung“ von Sphären zu thematisieren, die früher als getrennt betrachtet wurden (Loosen 2015).
How to research cross-media practices Investigating media repertoires and media ensembles
Creators: name: Hasebrink, Uwe
name: Hepp, Andreas
Publisher: name: Universität Bremen
Year: 2016
Subjects: subject: Crossmedia
subject: Individualism
subject: 0

description: In einer Zeit der „deep mediatization“ (Couldry und Hepp, 2016: 34–56) – der fortschreitenden Verflechtung verschiedener gesellschaftlicher Bereiche mit Medien (Livingstone, 2009: 1) – gewinnen crossmediale Ansätze zur Untersuchung der Mediennutzung zunehmend an Relevanz. In diesem Zusammenhang müssen wir crossmediale Praktiken auf mindestens zwei verschiedenen Ebenen betrachten. Die erste Ebene bezieht sich auf das „Individuum“, dessen crossmediale Nutzung als ein bestimmtes „Medienrepertoire“ charakterisiert werden kann (Hasebrink und Domeyer, 2012). Die zweite Ebene bezieht sich auf „soziale Domänen“ (Gemeinschaften, Organisationen etc.), die als kommunikative Figurationen verstanden werden können, die durch ein bestimmtes „Medienensemble“ gekennzeichnet sind (Hepp und Hasebrink, 2014). In der Regel konzentriert sich medienübergreifende Forschung entweder auf das Individuum oder auf den sozialen Bereich. Diese Perspektiven kommunizieren selten miteinander. Im Gegensatz zu einer solchen Trennung schlagen wir eine Verschränkung beider Perspektiven vor, um das konzeptionelle und empirische Verhältnis von Mediennutzung als individueller Praxis und als Teil einer Figuration zu klären. Auf der Ebene des Individuums setzen sich Medienrepertoires aus medienbezogenen kommunikativen Praktiken zusammen, mit denen sich Individuen auf die Figurationen beziehen, an denen sie teilhaben. Auf der Ebene der Figurationen sind Medienensembles durch die medienbezogenen kommunikativen Praktiken der Akteure im jeweils untersuchten sozialen Feld gekennzeichnet.
Density-dependent flow generation in active cytoskeletal fluids
Creators: name: Kashiwabara, Tomoka
name: Fukuyama, Tatsuya
name: Maeda, Yusuke T.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The actomyosin cytoskeleton, a protein assembly comprising actin fibers and the myosin molecular motor, drives various cellular dynamics through contractile force generation at high densities. However, the relationship between the density dependence of the actomyosin cytoskeleton and force-controlled ordered structure remains poorly understood. In this study, we measured contraction-driven flow generation by varying the concentration of cell extracts containing the actomyosin cytoskeleton and associated nucleation factors. We observed continuous actin flow toward the center at a critical actomyosin density in cell-sized droplets. Notably, the actin flow demonstrated emergent oscillations, in which tracer advection periodically changed in a stop-and-go fashion in bulk solution. Near the onset of flow, the viscous drag of the actin cytoskeleton decreased the particle transport, after which it rapidly increased. These results indicate that the density-dependent actin flow is generated by a balance between viscous friction and contractile force.
description: 9 pages, 5 figures
Synechodes Turner 1913
Creators: name: Ahmad, Jalil
name: Joshi, Rahul
name: Singh, Navneet
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Brachodidae
Synechodes

description: Genus Synechodes Turner, 1913: 200
Type species: Synechodes coniophora Turner, 1913: 200.
description: Published as part of Ahmad, Jalil, Joshi, Rahul & Singh, Navneet, 2023, An updated Catalogue of Cossoidea (Lepidoptera) from India, pp. 301-348 in Zootaxa 5330 (3) on page 306, DOI: 10.11646/zootaxa.5330.3.1, http://zenodo.org/record/8254738
Effect of experimental Diphyllobothrium dendriticum infection on the blood leucocyte pattern of brown trout at two temperature levels
Creators: name: Rahkonen, R.
name: Pasternack, M.
Publisher: name: Boreal Environment Research Publishing Board
Year: 1998

description: Leucocyte composition in the peripheral blood of brown trout Salmo trutta m. lacustris (L.) aged 1+ was studied in relation to Diphyllobothrium dendriticum (Cestoda) infection at two temperature levels, heated about 15 °C and non-heated which decreased from 11 °C to 7 °C. Blood samples were taken from control and infected fish 12 weeks post infection. The D. dendriticum infection (1–6 per fish) had a significant increasing impact on lymphocyte and neutrophil counts at both temperature levels while thrombocytes were more numerous in control fish, particularly in non-heated water. The total leucocyte counts were not influenced by the D. dendriticum infection. The present water temperatures created differences only in thrombocyte and total leucocyte counts, which were increased in non-heated aquaria.
Influence of nanoparticle encapsulation and encoding on the surface chemistry of polymer carrier beads
Creators: name: Scholtz, Lena
name: Tavernaro, Isabella
name: Eckert, J. Gerrit
name: Lutowski, Marc
name: Geißler, Daniel
name: Hertwig, Andreas
name: Hidde, Gundula
name: Bigall, Nadja C.
name: Resch-Genger, Ute
Publisher: name: [London] : Macmillan Publishers Limited, part of Springer Nature
Year: 2023
Subjects: subject: Dewey Decimal Classification::500 | Naturwissenschaften
subject: Dewey Decimal Classification::600 | Technik

description: Surface-functionalized polymer beads encoded with molecular luminophores and nanocrystalline emitters such as semiconductor nanocrystals, often referred to as quantum dots (QDs), or magnetic nanoparticles are broadly used in the life sciences as reporters and carrier beads. Many of these applications require a profound knowledge of the chemical nature and total number of their surface functional groups (FGs), that control bead charge, colloidal stability, hydrophobicity, and the interaction with the environment and biological systems. For bioanalytical applications, also the number of groups accessible for the subsequent functionalization with, e.g., biomolecules or targeting ligands is relevant. In this study, we explore the influence of QD encoding on the amount of carboxylic acid (COOH) surface FGs of 2 µm polystyrene microparticles (PSMPs). This is done for frequently employed oleic acid and oleylamine stabilized, luminescent core/shell CdSe QDs and two commonly used encoding procedures. This included QD addition during bead formation by a thermally induced polymerization reaction and a post synthetic swelling procedure. The accessible number of COOH groups on the surface of QD-encoded and pristine beads was quantified by two colorimetric assays, utilizing differently sized reporters and electrostatic and covalent interactions. The results were compared to the total number of FGs obtained by a conductometric titration and Fourier transform infrared spectroscopy (FTIR). In addition, a comparison of the impact of QD and dye encoding on the bead surface chemistry was performed. Our results demonstrate the influence of QD encoding and the QD-encoding strategy on the number of surface FG that is ascribed to an interaction of the QDs with the carboxylic acid groups on the bead surface. These findings are of considerable relevance for applications of nanoparticle-encoded beads and safe-by-design concepts for nanomaterials.
The topological dynamics of continuum lattice grid structures
Creators: name: Sun, Yimeng
name: Xing, Jiacheng
name: Shao, Li-Hua
name: Wang, Jianxiang
Publisher: name: arXiv
Year: 2024
Subjects: subject: Classical Physics (physics.class-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Continuum lattice grid structures which consist of joined elastic beams subject to flexural deformations are ubiquitous. In this work, we establish a theoretical framework of the topological dynamics of continuum lattice grid structures, and discover the topological edge and corner modes in these structures. We rigorously identify the infinitely many topological edge states within the bandgaps via a theorem, with a clear criterion for the infinite number of topological phase transitions. Then, we obtain analytical expressions for the topological phases of bulk bands, and propose a topological index related to the topological phases that determines the existence of the edge states. The theoretical approach is directly applicable to a broad range of continuum lattice grid structures including bridge-like frames, square frames, kagome frames, continuous beams on elastic springs. The frequencies of the topological modes are precisely obtained, applicable to all the bands from low- to high-frequencies. Continuum lattice grid structures serve as excellent platforms for exploring various kinds of topological phases and demonstrating the topological modes at multiple frequencies on demand. Their topological dynamics has significant implications in safety assessment, structural health monitoring, and energy harvesting.
Strong anticyclones and deep cyclones over Svalbard in the years 1971–2015
Creators: name: Bielec-Bąkowska, Z.
name: Widawski, A.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2018

description: This paper presents annual and long-term variability in the occurrence of cyclone and anticyclone centres over Svalbard during the period 1971–2015. The study is based on average daily air pressure values at sea level for 12 grid points and on the typology of synoptic situations. Particular emphasis is placed on the occurrence of deep and very deep cyclones (with a pressure of ≤ 990 hPa and ≤ 970 hPa, respectively) and strong and very strong anticyclones (with a pressure of ≥ 1030 hPa and ≥ 1035 hPa, respectively). On average there were about 17.5 days with a cyclone and 4.9 days with an anticyclone centre over Svalbard annually. The results of the analysis show no clear trend in the number of cyclones moving over the study area, but there was an observable increase in the frequency of anticyclones. There were also no major changes in the annual maximum of occurrence of the pressure systems under study.
Influence of site characteristics on the performance of shallow borehole heat exchanger arrays: A sensitivity analysis
Creators: name: Liu, Quan
name: Weiland, Finn
name: Pärisch, Peter
name: Kracht, Niklas
name: Huang, Mu
name: Ptak, Thomas
Publisher: name: Amsterdam [u.a.] : Elsevier Science
Year: 2023
Subjects: subject: Annual heat production
subject: Borehole heat exchanger arrays
subject: Groundwater flow
subject: Sensitivity analysis
subject: Site characteristics
subject: Subsurface heterogeneity
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: Using borehole heat exchangers (BHE) to extract shallow geothermal energy has grown rapidly in recent years. How to maintain a long-term balanced, sustainable operation of the BHE arrays becomes a key issue. Site characteristics, including hydrogeological and geothermal conditions as well as spatial distribution of subsurface physical parameters, are generally idealized or partly neglected in practice. To investigate the consequences of such simplifications, a 3D model, based on data from a planned real site, is established to consider groundwater flow, subsurface heterogeneity, and various hydrogeothermal boundary conditions. After verifying the model, a sensitivity analysis is conducted. Nine factors regarding site characteristics are selected, including Darcy flux in the aquifer, thermal conductivity and volumetric heat capacity of the ground, groundwater depth, thermal and hydraulic heterogeneity, geothermal gradient, heat transfer coefficient on the ground surface and seasonal rainfall. Sensitivity results indicate that the annual total heat production is most sensitive to geothermal gradient, followed by Darcy flux, both of which have positive effects. Groundwater depth and heat transfer coefficient have negative effects on annual heat production. Compared to thermal heterogeneity and rainfall, the influence of hydraulic heterogeneity is higher. Uncertainty of annual heat production due to various Peclet numbers is quantified through regression analysis.
Turbulent Heat Exchange Over Polar Leads Revisited: A Large Eddy Simulation Study
Creators: name: Gryschka, M.
name: Gryanik, V.M.
name: Lüpkes, C.
name: Mostafa, Z.
name: Sühring, M.
name: Witha, B.
name: Raasch, S.
Publisher: name: Hoboken, NJ : Wiley
Year: 2023
Subjects: subject: heat flux
subject: large eddy simulation
subject: polar boundary layer
subject: scaling laws
subject: sea-ice leads
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: Sea ice leads play an important role in energy exchange between the ocean and atmosphere in polar regions, and therefore must be considered in weather and climate models. As sea ice leads are not explicitly resolved in such models, lead-averaged surface heat flux is of considerable interest for the parameterization of energy exchange. Measurements and numerical studies have established that the lead-averaged surface heat flux depends not only on meteorological parameters, but also on lead width. Nonetheless, few studies to date have investigated the dependency of surface heat flux on lead width. Most findings on that dependency are based on observations with lead widths smaller than a few hundred meters, but leads can have widths from a few meters to several kilometers. In this parameter study, we present the results of three series of large-eddy simulations of turbulent exchange processes above leads. We varied the lead width and air temperature, as well as the roughness length. As this study focused on conditions without background wind, ice-breeze circulation occurred, and was the main driver of the adjustment of surface heat flux. A previous large-eddy simulation study with uncommonly large roughness length found that lead-averaged surface heat flux exhibited a distinct maximum at lead widths of about 3 km, while our results show the largest heat fluxes for the smallest leads simulated (lead width of 50 m). At more realistic roughness lengths, we observed monotonously increasing heat fluxes with increasing lead width. Further, new scaling laws for the ice-breeze circulation are proposed.
A Bayesian Augmented-Learning framework for spectral uncertainty quantification of incomplete records of stochastic processes
Creators: name: Chen, Yu
name: Patelli, Edoardo
name: Edwards, Benjamin
name: Beer, Michael
Publisher: name: Amsterdam [u.a.] : Elsevier
Year: 2023
Subjects: subject: AutoEncoder
subject: Bayesian deep learning
subject: Evolutionary power spectrum
subject: Missing data
subject: Stochastic variational inference
subject: Dewey Decimal Classification::000 | Allgemeines, Wissenschaft::000 | Informatik, Wissen, Systeme::004 | Informatik

description: A novel Bayesian Augmented-Learning framework, quantifying the uncertainty of spectral representations of stochastic processes in the presence of missing data, is developed. The approach combines additional information (prior domain knowledge) of the physical processes with real, yet incomplete, observations. Bayesian deep learning models are trained to learn the underlying stochastic process, probabilistically capturing temporal dynamics, from the physics-based pre-simulated data. An ensemble of time domain reconstructions are provided through recurrent computations using the learned Bayesian models. Models are characterized by the posterior distribution of model parameters, whereby uncertainties over learned models, reconstructions and spectral representations are all quantified. In particular, three recurrent neural network architectures, (namely long short-term memory, or LSTM, LSTM-Autoencoder, LSTM-Autoencoder with teacher forcing mechanism), which are implemented in a Bayesian framework through stochastic variational inference, are investigated and compared under many missing data scenarios. An example from stochastic dynamics pertaining to the characterization of earthquake-induced stochastic excitations even when the source load data records are incomplete is used to illustrate the framework. Results highlight the superiority of the proposed approach, which adopts additional information, and the versatility of outputting many forms of results in a probabilistic manner.
Four Forms of Datafied Journalism: Journalism’s response to the datafication of society
Creators: name: Loosen, Wiebke
Publisher: name: Universität Bremen
Year: 2018
Subjects: subject: Datafication
subject: journalism
subject: 70

description: Große Narrative, die den Zustand der Gesellschaft beschreiben, neigen dazu, uns für Transformationsprozesse zu sensibilisieren, die das Potenzial haben, zu einer grundlegend anderen Wahrnehmung der sozialen Welt zu führen. Viele dieser Erzählungen, die wir heute hören, handeln von Daten oder sogar von Big Data. Hier finden wir Vorstellungen von Big Data als „eine Revolution, die unsere Art zu leben, zu arbeiten, zu denken und Denken verändern wird“ (Mayer-Schönberger und Cukier, 2013), Überlegungen zur ‚Datengesellschaft‘ (Süssenguth, 2015) und zur ‚datafizierten Gesellschaft‘ (Schäfer und Van Es, 2017). Dies zeigt, dass die Idee der Datafizierung nicht nur verwendet wird, um zu beschreiben, wie die Digitalisierung unsere Medienwelt verändert: In einem viel grundlegenderen Sinne ist es tatsächlich eine Geschichte darüber, wie digitale Daten dazu gekommen sind, die soziale Realität abzubilden und gleichzeitig zu beeinflussen (Van Dijck, 2014). In diesem Beitrag wird die Datafizierung des Journalismus mit der Datafizierung der Gesellschaft in Beziehung gesetzt. Dies wird als nützlicher Schritt in unserer Theoriebildung über drei miteinander verbundene Elemente verstanden: Journalismus, Daten und soziale Wirklichkeit. Indem ich diese drei Elemente zusammenbringe, betrachte ich den Journalismus als ein ideales Beispiel, um zu verstehen, wie die Datafizierung einen sozialen Bereich formt und verändert und wie sie die öffentliche Kommunikation beeinflusst. Auf diese Weise können wir nicht nur den gegenwärtigen Wandel des Journalismus hin zu einer stärker datenbasierten, algorithmischen, metrikgesteuerten oder sogar automatisierten Praxis besser verstehen, sondern diesen Wandel auch als reflexiven Prozess begreifen: einen Prozess, der sowohl Teil einer sich verändernden Medienumgebung ist als auch die Antwort des Journalismus auf die Datafizierung der Gesellschaft darstellt – und diese auch befördert. Es ist daher wichtig zu erkennen, dass Journalismus nicht einfach mit Medientechnologien arbeitet, sondern in einem sich ständig verändernden Medienumfeld agiert. Wir könnten diesen reflexiven Prozess als Übergang zu einem datenbasierten Journalismus in einem datenbasierten Medienumfeld einer datenbasierten Gesellschaft bezeichnen.
Observed and predicted future changes of total organic carbon in the lake Päijänne catchment (southern Finland): Implications for water treatment of the Helsinki metropolitan area
Creators: name: Forsius, M.
name: Räike, A.
name: Huttunen, I.
name: Poutanen, H.
name: Mattsson, T.
name: Kankaanpää, S.
name: Kortelainen, P.
name: Vuorilehto, V.-P.
Publisher: name: Boreal Environment Research Publishing Board
Year: 2017

description: Lake Päijänne (1083 km2) is the main drinking-water source for more than one million people of the Helsinki metropolitan area and the lake is important also for fisheries and recreation. We carried out a detailed study on observed and modelled future changes of total organic carbon (TOC) in this large lake catchment (26 459 km2), and assessed the implications for current water treatment processes. Concentrations of TOC/CODMn in the lake and its sub-catchments increased during the period 2000–2014 (CODMn was used as a TOC proxy in the statistical analysis because of long-term data availability). Stepwise multiple regression analysis on the relationships between CODMn, water quality parameters, air temperature and runoff in selected 18 catchments indicated that the explaining variables are site-specific and that the observed recent changes are mainly due to a combination of the simultaneously interacting factors of climate and atmospheric deposition. Linear regression analysis revealed no relationships between CODMn increases and land-use related factors or specific catchment characteristics. A catchment-scale dynamic model system (VEMALA) was used to predict future concentrations and fluxes of TOC, using three different climate change scenarios. TOC concentrations were predicted to decrease by 19% in the Dry scenario and increase by 13% in the Wet scenario by the end of the century. The current treatment processes in the city of Helsinki can likely meet the challenges set by climate change in form of changed raw water TOC and quality. Integrated carbon (C) balance calculations indicated large changes in future C fluxes and lake retention time. These changes would markedly affect several key ecosystem processes such as transport of organically bound nutrients to sea areas and the importance of surface waters in the overall landscape C budgets.
Kreatives Abschrecken: Ein Ländervergleich staatlicher Medienkampagnen zur Abschreckung Asylsuchender
Creators: name: Bishop, Sarah
Publisher: name: Universität Bremen
Year: 2019
Subjects: subject: Flüchtlinge
subject: 320

description: Im Laufe der Zeit haben Regierungen zahlreiche Taktiken zur Abschreckung von Asylsuchenden entwickelt. Penible Grenzkontrollen, scharfe Strafen für Einwanderer, die ohne Genehmigung einreisen und Ausschluss von legaler Anstellung oder Sozialleistungen tragen gemeinsam dazu bei, potenzielle Migranten abzuschrecken. Wenn aber diese Taktiken fehlschlagen, die Einreise schutzsuchender Individuen zu verhindern, nutzen einige Regierungen noch kreativere Maßnahmen des Abschreckens. Über einen Zeitraum von 22 Monaten hinweg, von September 2013 bis Juli 2015, entwickelten die USA, Australien und Norwegen multimediale Informationskampagnen für die Öffentlichkeit bestimmter Zielgruppen, führten sie ein und verbreiteten sie an strategischen internationalen Standorten. Alle drei beinhalten visuelle und textuelle Elemente, die sowohl in digitalen Medien als auch in Printmedien erschienen. Diese Abschreckungskampagnen warnen spezifische Gruppen, dass sie unwillkommen seien und benennen die Unannehmlichkeiten, in die sie gerieten, wenn sie die staatlichen Warnungen ignorierten. Anhand einer kritischen narrativen Analyse untersucht dieses Projekt diese Kampagnen mit einem besonderen Fokus auf visuelle Rhetorik, Kontextualisierung und Fallvergleiche.