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  • 1
    Keywords: Veterinary medicine. ; Physiology. ; Reproduction. ; Agriculture. ; Anatomy, Comparative. ; Veterinary Clinical Medicine. ; Animal Physiology. ; Reproductive Physiology. ; Veterinary Science. ; Agriculture. ; Animal Anatomy.
    Description / Table of Contents: Chapter 1. Generalities/Introduction -- Chapter 2. Anatomy of the reproductive system -- Chapter 3. Reproductive physiology -- Chapter 4. Non-pregnant and pregnant cow’s management. - Chapter 5. Normal birth (eutocia) -- Chapter 6. Abnormal occurrences during calving -- Chapter 7. Assisted vaginal delivery -- Chapter 8. Obstetric manoeuvres. - Chapter 9. Fetotomy -- Chapter 10. Caesarean Section -- Chapter 11. Obstetric problems before or during calving -- Chapter 12. Post-partum management -- Chapter 13. Post-partum diseases -- Chapter 14. Care and management of the newly born calf.
    Abstract: This comprehensive textbook provides detailed information on calving management in dairy and beef cattle. Enriched with diverse learning opportunities, it conveys the fundamentals of reproductive anatomy and physiology, parturition, birth complications and various obstetrical manoeuvres, as well as dam and calf care. In order to promote best practices in this specialized subject, the book covers all significant points from conception to calving and the perinatal period. Clear chapter structures, a wealth of illustrations and videos, obstetrical case studies, and question-and-answer lists round out the reading experience, making the book a unique source of information on how to support mother cows and obtain viable offspring. Readers can additionally download the free Springer Nature Flashcards App and benefit from 77 digital study questions to test their knowledge. The reproductive health status in cattle farms is crucial to immediately initiate lactation and new conception. Assistance by technical personnel, dystocia and stillbirth occurrences can reach ca. 50%, 14% and 6% of parturitions, respectively. Hence, zootechnical and veterinary management of calving is of great importance for animal welfare. This work makes a valuable contribution to teaching and everyday practice in cattle medicine and obstetrics. Veterinary students, residents, practitioners and technical personnel will discover it to be a rich learning and reference resource. “For many years, animal health and welfare has been an increasingly important part of animal science and livestock production. One reason for this is that it has a very significant impact on the acceptance of livestock production systems by consumers and the economic success of farms. It is important to note that, most of the time, farmers are confronted first with animal health problems, even before the veterinarians. Normally the ‘first aid’ like calving assistance, including moderate dystocias, is performed by people working on farms or by related professionals. Therefore it is essential that also these people have the best knowledge to better know the different steps of all related processes, to be able to implement the best management plans (e.g. for calving) and to use the best available practices. Only this can assure the highest possible level of animal welfare and health. The book by João Simões and George Stilwell is therefore highly recommended for teachers and students of animal science, and for practitioners looking to acquire profound knowledge on the subject of ‘healthy calving’, i.e., unassisted calving where dam and calf can express their full natural behaviour. As such, I wish the book every success.” Prof. Dr. Dr. Matthias Gauly President of the EAAP - The European Federation of Animal Science Rome, Italy.
    Type of Medium: Online Resource
    Pages: XXII, 283 p. 204 illus., 138 illus. in color. , online resource.
    Edition: 1st ed. 2021.
    ISBN: 9783030681685
    DDC: 636.0896
    Language: English
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  • 2
    Keywords: Energieversorgung ; Versorgungssicherheit ; Nachhaltigkeit ; Umweltpolitik ; Energiepolitik ; Geopolitik
    Description / Table of Contents: "This book offers an overarching view of the underlying challenges that the energy transitions pose to interstate energy relations. Geopolitics of energy currently epitomizes one of the principal sources for geopolitical vicissitudes affecting global energy landscapes. The ever-changing global energy architecture, global decarbonization plans and low-carbon technology developments are having deep geopolitical consequences. The extensive and rapid adjustment towards low-carbon energy is unsettling the conventional transnational energy structures, affecting economies and altering energy interstate relations. The geopolitics of the energy transitions is a field in the making, hence the existent academic literature is scarce and limited in scope. Current debates on decarbonization tend to mimic the geopolitics of oil and gas when discussing the stakeholders involved in the energy transitions. Besides, energy transitions tend to be studied at the national level overlooking the interactions at regional and global scales. Most research on the geopolitics of the energy transitions to date has mainly focused on the path to achieve the transitions to low carbon energy systems, and less on the global dynamics and the impacts of those transitions to inter-state relations and energy security. The fundamental question that needs dwelling is: How, and to what extent, will the multiple dimensions of the ongoing energy transitions affect existing fundamental geopolitical issues, and what new dynamics may result from the decarbonization process of the planet? The reasons to organize this publication are many, but among them stand one, which is functioning as the driving force behind this project: to contribute to a broader discussion on the ways in which energy transitions and geopolitics intersect"--
    Pages: xx, 510 Seiten , Illustrationen
    ISBN: 9781433191350
    URL: Inhaltstext  (lizenzpflichtig)
    URL: Unbekannt  (lizenzpflichtig)
    URL: Inhaltsverzeichnis  (lizenzpflichtig)
    Language: English
    Note: Foreword: Thijs Van de Graaf -- Muse of fire : energy, geopolitics, and decarbonization -- Energy neomercantilism and regenerative alternatives / Majia Nadesan and Jennifer Keahey -- Scientific discourse about energy geopolitics : Changing paradigms or simply adapting to new times? / Cátia Miriam Costa and Ana Teresa Santos -- China's energy geopolitics and the Belt and Road Initiative : The green energy cooperation / Rui Pereira and Carla Fernandes -- The energopower and biopower relations in Russia, China and the EU and their impacts on Russia-China and Russia-EU energy trade before and after the war in Ukraine / Evgeniia (Jen) Sidorova -- The energy transition geopolitical outlook for the European Union : will Russian gas decline? / Javad Keypour -- Governing the energy union : the quest for a secure, low-carbon future for the EU / Susann Handke -- Nord Stream 2 and energy security in Europe : the impact of economic sanctions / Alexandros-Cătălin Bakos -- The COVID-19 pandemic and the energy transition : the geopolitics of energy envisaged by American politics / Fernanda Delgado, João Marques Cardoso, and Victor Gaspar Filho -- Geopolitical implications of the European Union's carbon border adjustment mechanism / Alaz Munzur, Katharina Koch, and Jennifer Winter -- The European Union as a military green player : sustainability and resilience in security and defense actorness / Ana Isabel Xavier -- The energy geopolitics of the European Green Deal : two case studies of international strategic techno-industrial cooperation / Roberto Álvaro-Hermana, Jorge Fernández-Gómez, Macarena Larrea-Basterra, and Jaime Menéndez-Sánchez -- The Chinese energy rush in Pakistan as a regional geopolitical game-changer / Jorge Tavares da Silva -- Transition to low-carbon energy resources in India : issues and challenges / Venkatesh Dutta and Roopinder Oberoi -- The role of Angola and Mozambique in the new global energy trend / Paulo Zagalo -- The implications of energy transitions in Argentina / Gerardo Rabinovich -- Energy issues in EU agreements, between supply security, solidarity, and sustainability, before and after the Russian-Ukrainian conflict : can the EU become a leader in global energy relationships? / Sara Pugliese -- Critical legal insight into the EU's hydrogen strategy / Javad Keypour, Tanel Kerikmäe, and Archil Chochia -- New patterns of resource management for the circular economy : a Chinese-European comparative outlook on the evolution of circular economy law / Gianmatteo Sabatino -- The politics of biodiesel and the structuring of a new market for Brazilian agribusiness / Gabriela Benatti, Antônio Buainain, Marcelo Pereira da Cunha, and Pedro Cavalcante Filho -- Scaling up renewable energy technologies in Bangladesh : prospects and challenges / Dipta Majumder and Ferdous Rahman -- At the forefront of change : the environment and social innovations by Generation Z in Russia / Lisha Fu, Chong Min Fui Nicole, and Fu Faustina Yip -- Conclusion : energy geopolitics : a changing paradigm.
    Branch Library: RIFS Library
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  • 3
    Keywords: hydrodynamics ; hydrology ; mechanical engineering
    Description / Table of Contents: The phenomena related to the flow of fluids are generally complex, and difficult to quantify. New approaches - considering points of view still not explored - may introduce useful tools in the study of Hydrodynamics and the related transport phenomena. The details of the flows and the properties of the fluids must be considered on a very small scale perspective. Consequently, new concepts and tools are generated to better describe the fluids and their properties. This volume presents conclusions about advanced topics of calculated and observed flows. It contains eighteen chapters, organized in five sections: 1) Mathematical Models in Fluid Mechanics, 2) Biological Applications and Biohydrodynamics, 3) Detailed Experimental Analyses of Fluids and Flows, 4) Radiation-, Electro-, Magnetohydrodynamics, and Magnetorheology, 5) Special Topics on Simulations and Experimental Data. These chapters present new points of view about methods and tools used in Hydrodynamics.
    Pages: Online-Ressource (442 Seiten)
    ISBN: 9789533075969
    Language: English
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  • 4
    Keywords: hydrodynamics ; hydrology ; mechanical engineering
    Description / Table of Contents: The phenomena related to the flow of fluids are generally complex, and difficult to quantify. New approaches, considering points of view still not explored, may introduce useful tools in the study of Hydrodynamics and the related transport phenomena. The details of the flows and the properties of the fluids must be considered on a very small scale perspective. Consequently, new concepts and tools are generated to better describe the fluids and their properties. This volume presents conclusions about advanced topics of calculated and observed flows. It contains twenty chapters, organized in five sections: 1) Mathematical Models in Fluid Mechanics 2) Biological Applications and Biohydrodynamics 3) Detailed Experimental Analyses of Fluids and Flows 4) Radiation-, Electro-, Magnetohydrodynamics, and Magnetorheology 5) Special Topics on Simulations and Experimental Data. These chapters present new points of view about methods and tools used in Hydrodynamics.
    Pages: Online-Ressource (286 Seiten)
    ISBN: 9789533078939
    Language: English
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  • 5
    Publication Date: 2023-08-25
    Description: Empirical and theoretical studies suggest that marine species respond to ocean warming by shifting ranges poleward and/or into deeper depths. However, future distributional patterns of deep-sea organisms, which comprise the largest ecosystem of Earth, remain poorly known. We explore potential horizontal range shifts of benthic shallow-water and deep-sea Crustacea due to climatic changes within the remainder of the century, and discuss the results in light of species-specific traits related to invasiveness. Using a maximum entropy approach, we estimated the direction and magnitude of distributional shifts for 94 species belonging to 12 orders of benthic marine crustaceans, projected to the years 2050 and 2100. Distance, direction, and species richness shifts between climate zones were estimated conservatively, by considering only areas suitable, non-extrapolative, and adjacent to the currently known distributions. Our hypothesis is that species will present poleward range-shifts, based on results of previous studies. Results reveal idiosyncratic and species-specific responses, with prevailing poleward shifts and a decline of species richness at mid-latitudes, while more frequent shifts between temperate to polar regions were recovered. Shallow-water species are expected to shift longer distances than deep-sea species. Net gain of suitability is slightly higher than the net loss for shallow-water species, while for deep-sea species, the net loss is higher than the gain in all scenarios. Our estimates can be viewed as a set of hypotheses for future analytical and empirical studies, and will be useful in planning and executing strategic interventions and developing conservation strategies.
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Description: Senckenberg Gesellschaft für Naturforschung (SGN) (3507)
    Keywords: ddc:577.7 ; Climate change ; Deep-sea ; Shallow-water ; Distributional shift ; Ecological niche modeling ; Mobility-oriented parity metric (MOP)
    Language: English
    Type: doc-type:article
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  • 6
    Publication Date: 2020-12-14
    Description: Topography in forearc regions reflects tectonic processes along the subduction interface, from seismic cycle-related transients to long-term competition between accretion and erosion. Yet, no consensus exists about the topography drivers, especially as the contribution of deep accretion remains poorly constrained. Here, we use thermo-mechanical simulations to show that transient slab-top stripping events at the base of the forearc crust control uplift-then-subsidence sequences. This 100s-m-high topographic signal with a Myr-long periodicity, mostly inaccessible to geodetic and geomorphological records, reflects the nature and influx rate of material involved in the accretion process. The protracted succession of stripping events eventually results in the pulsing rise of a large, positive coastal topography. Trench-parallel alternation of forearc highs and depressions along active margins worldwide may reflect temporal snapshots of different stages of these surface oscillations, implying that the 3D shape of topography enables tracking deep accretion and associated plate-interface frictional properties in space and time.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 7
    Publication Date: 2022-08-22
    Description: The increased fraction of first year ice (FYI) at the expense of old ice (second-year ice (SYI) and multi-year ice (MYI)) likely affects the permeability of the Arctic ice cover. This in turn influences the pathways of gases circulating therein and the exchange at interfaces with the atmosphere and ocean. We present sea ice temperature and salinity time series from different ice types relevant to temporal development of sea ice permeability and brine drainage efficiency from freeze-up in October to the onset of spring warming in May. Our study is based on a dataset collected during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Expedition in 2019 and 2020. These physical properties were used to derive sea ice permeability and Rayleigh numbers. The main sites included FYI and SYI. The latter was composed of an upper layer of residual ice that had desalinated but survived the previous summer melt and became SYI. Below this ice a layer of new first-year ice formed. As the layer of new first-year ice has no direct contact with the atmosphere, we call it insulated first-year ice (IFYI). The residual/SYI-layer also contained refrozen melt ponds in some areas. During the freezing season, the residual/SYI-layer was consistently impermeable, acting as barrier for gas exchange between the atmosphere and ocean. While both FYI and SYI temperatures responded similarly to atmospheric warming events, SYI was more resilient to brine volume fraction changes because of its low salinity (〈 2). Furthermore, later bottom ice growth during spring warming was observed for SYI in comparison to FYI. The projected increase in the fraction of more permeable FYI in autumn and spring in the coming decades may favor gas exchange at the atmosphere-ice interface when sea ice acts as a source relative to the atmosphere. While the areal extent of old ice is decreasing, so is its thickness at the onset of freeze-up. Our study sets the foundation for studies on gas dynamics within the ice column and the gas exchange at both ice interfaces, i.e. with the atmosphere and the ocean.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 8
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    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Publication Date: 2023-06-20
    Description: Antartica is one of the least volcanically active regions in the world, with few volcanoes covered by the extensive ice sheet. Remote sensing can be a good alternative to provide data during volcanic eruptions, although generally these data are not conclusive. Satellite images from 12 June 2001 show a characteristic cloud over Sturge Island (67.4°S, 164.83°E), the southernmost island of the Balleny Islands archipelago, located off the coast of Victoria Land. The first analysis showed that the cloud reached up to 300 km in length in the downwind portions (E-NE) and reached 6 km in height. It showed signs of containing SO〈sub〉2〈/sub〉, but without the presence of identified ash, the image becomes inconclusive about whether or not it was produced by a volcanic eruption. These analyzes a few ice core data (IC-04, IC-06, and Mount Johns) to interpret possible volcanism. The cores were collected in the western portion of the Antarctic ice sheet. The main analysis from the ice cores were trace elements (determined by Inductively Coupled Plasma Sector Field Mass Spectrometry - ICP-MS) and ionic content (analyzed by ion chromatography). The chemical analysis showed anomalous concentrations of S, Na, Ca, Ti, Cr, Mn, Fe, Co, and SO〈sub〉4〈/sub〉 for the period related to the eruption on Sturge Island. This study seeks to improve the dating of ice cores by establishing a new horizon of absolute age and connections between records. It can also corroborate with other observations that had pointed to the Balleny Islands as a source of volcanic products.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 9
    Publication Date: 2023-01-30
    Description: We present sea ice temperature and salinity data from first-year ice (FYI) and second-year ice (SYI) relevant to the temporal development of sea ice permeability and brine drainage efficiency from the early growth phase in October 2019 to the onset of spring warming in May 2020. Our dataset was collected in the central Arctic Ocean during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Expedition in 2019 to 2020. MOSAiC was an international transpolar drift expedition in which the German icebreaker RV Polarstern anchored into an ice floe to gain new insights into Arctic climate over a full annual cycle. In October 2019, RV Polarstern moored to an ice floe in the Siberian sector of the Arctic at 85 degrees north and 137 degrees east to begin the drift towards the North Pole and the Fram Strait via the Transpolar Drift Stream. The data presented here were collected during the first three legs of the expedition, so all the coring activities took place on the same floe. The end dates of legs 1, 2, and 3 were 13 December, 24 February, and 4 June, respectively. The dataset contributed to a baseline study entitled, Deciphering the properties of different Arctic ice types during the growth phase of the MOSAiC floes: Implications for future studies. The study highlights downward directed gas pathways in FYI and SYI by inferring sea ice permeability and potential brine release from several time series of temperature and salinity measurements. The physical properties presented in this paper lay the foundation for subsequent analyses on actual gas contents measured in the ice cores, as well as air-ice and ice-ocean gas fluxes. Sea ice cores were collected with a Kovacs Mark II 9 cm diameter corer. To measure ice temperatures, about 4.5 cm deep holes were drilled into the core (intervals varied by site and leg) . The temperatures were measured by a digital thermometer within minutes after the cores were retrieved. The ice cores were placed into pre-labelled plastic sleeves sealed at the bottom end. The ice cores were transported to RV Polarstern and stored in a -20 degrees Celsius freezer. Each of the cores was sub-sampled, melted at room temperature, and processed for salinity within one or two days. The practical salinity was estimated by measuring the electrical conductivity and temperature of the melted samples using a WTW Cond 3151 salinometer equipped with a Tetra-Con 325 four-electrode conductivity cell. The practical salinity represents the the salinity estimated from the electrical conductivity of the solution. The dataset also contains derived variables, including sea ice density, brine volume fraction, and the Rayleigh number.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 10
    Publication Date: 2023-01-30
    Description: We present sea ice temperature and salinity data from first-year ice (FYI) and second-year ice (SYI) relevant to the temporal development of sea ice permeability and brine drainage efficiency from the early growth phase in October 2019 to the onset of spring warming in May 2020. Our dataset was collected in the central Arctic Ocean during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Expedition in 2019 to 2020. MOSAiC was an international transpolar drift expedition in which the German icebreaker RV Polarstern anchored into an ice floe to gain new insights into Arctic climate over a full annual cycle. In October 2019, RV Polarstern moored to an ice floe in the Siberian sector of the Arctic at 85 degrees north and 137 degrees east to begin the drift towards the North Pole and the Fram Strait via the Transpolar Drift Stream. The data presented here were collected during the first three legs of the expedition, so all the coring activities took place on the same floe. The end dates of legs 1, 2, and 3 were 13 December, 24 February, and 4 June, respectively. The dataset contributed to a baseline study entitled, Deciphering the properties of different Arctic ice types during the growth phase of the MOSAiC floes: Implications for future studies. The study highlights downward directed gas pathways in FYI and SYI by inferring sea ice permeability and potential brine release from several time series of temperature and salinity measurements. The physical properties presented in this paper lay the foundation for subsequent analyses on actual gas contents measured in the ice cores, as well as air-ice and ice-ocean gas fluxes. Sea ice cores were collected with a Kovacs Mark II 9 cm diameter corer. To measure ice temperatures, about 4.5 cm deep holes were drilled into the core (intervals varied by site and leg) . The temperatures were measured by a digital thermometer within minutes after the cores were retrieved. The ice cores were placed into pre-labelled plastic sleeves sealed at the bottom end. The ice cores were transported to RV Polarstern and stored in a -20 degrees Celsius freezer. Each of the cores was sub-sampled, melted at room temperature, and processed for salinity within one or two days. The practical salinity was estimated by measuring the electrical conductivity and temperature of the melted samples using a WTW Cond 3151 salinometer equipped with a Tetra-Con 325 four-electrode conductivity cell. The practical salinity represents the the salinity estimated from the electrical conductivity of the solution. The dataset also contains derived variables, including sea ice density, brine volume fraction, and the Rayleigh number.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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