Reproductive failure of Chinook salmon: Effects of limited behavioral plastic...FISHBIO
Monitoring of populations near the margins of a species’ natural distribution, which often occur in habitats approaching their thermal limits and may be susceptible to even modest temperature increases, can provide insights on the effects of climate stressors expected to affect more northerly populations in the future. Annual monitoring activities track the escapement, document spatial and temporal spawning distribution and estimate juvenile production and outmigration characteristics of fall-run Chinook salmon, Oncorhynchus tshawytscha, in California’s Stanislaus River. Monitoring during the recent record-breaking drought revealed only minor migration- and spawning delays for returning adults, despite water temperature conditions considered detrimental to egg incubation. Results from degree-day analyses to estimate fertilization dates of emigrating juvenile salmon suggests diminished reproductive success of early spawners. While peak timing of reproduction might shift over time resulting from poor fitness of early spawners, this reduces in-river rearing opportunities of juveniles, which must emigrate before thermal connectivity to the marine environment is lost in spring. Long-term air temperature data indicates that cooling below certain temperature thresholds occurs progressively later in fall, while the same thresholds are exceeded earlier in spring, reducing the window for emigration of juvenile fall-run Chinook salmon and, by extension, further diminishing population resilience
Science 24-7 is another affiliate of sciencetutors and webscience. Please see more resources at www.sciencetutors.zoomshare.com
Email for all science24-7 correspondence is: sciencetutorshelpdesk@gmail.com
The nitrogen cycle describes the natural processes by which nitrogen is converted between its various chemical forms and circulates between living organisms and the environment. Key processes include nitrogen fixation by bacteria, nitrification, ammonification, and denitrification. Humans impact the nitrogen cycle through activities like fossil fuel combustion and the widespread use of nitrogen-based fertilizers, which can introduce excess nitrogen into ecosystems and cause problems like eutrophication. More developed countries tend to introduce more nitrogen through industry and transportation, while less developed countries' impacts come more from agriculture and large populations.
This document discusses biological nitrogen fixation, which is the process by which nitrogen is converted from atmospheric nitrogen gas into ammonia by prokaryotes like bacteria and archaea. It notes that nitrogen is essential but difficult to access from the atmosphere, and describes four methods of nitrogen acquisition including nitrogen fixation. It then focuses on nitrogen fixation in more detail, noting the discovery of nitrogenase and how it allows prokaryotes to perform this process, and how agriculture relies heavily on synthetic nitrogen fertilizers to provide nitrogen to crops.
This document summarizes research on water-saving traits in pulses. It discusses two main traits - limited transpiration under high vapor pressure deficit (VPD) and maintenance of transpiration at lower soil water contents (FTSW). Studies found genetic variability in VPD and FTSW responses in crops like chickpea, lentil, and pearl millet. Crop modeling showed improved varieties with VPD-sensitive traits could increase soybean yields in Africa. Breeding efforts are now targeting these physiologically important drought tolerance traits to develop new varieties for water-limited conditions.
The nitrogen cycle describes the natural process by which nitrogen is converted between its various chemical forms and circulated between living organisms and the atmosphere. Nitrogen is essential for building proteins and other organic molecules in living things. It enters ecosystems through nitrogen fixation by bacteria or lightning. Nitrifying bacteria then convert nitrogen into nitrites and nitrates that can be absorbed by plants. Plants and animals incorporate nitrogen into their tissues through consumption or root uptake, and nitrogen returns to the atmosphere through decomposition, denitrification, and other processes. The nitrogen cycle is crucial for supporting life but anthropogenic nitrogen pollution from sources like fossil fuel combustion and fertilizer runoff can disrupt ecosystems.
The document summarizes a presentation given by the Director General of ICARDA on the challenges facing dryland regions and ICARDA's work to address them. ICARDA focuses on improving livelihoods in drylands by increasing incomes, food access, and sustainable natural resource management. Their work includes developing drought-tolerant crops, raising small ruminant productivity through ultrasound and reproduction technologies, adopting water-saving irrigation techniques, and rehabilitating degraded rangelands through water harvesting and controlled grazing. The presentation concludes that addressing dryland challenges requires integrated solutions and that climate change will be a key driver, presenting opportunities for collaboration between ICARDA and Tottori University.
Reproductive failure of Chinook salmon: Effects of limited behavioral plastic...FISHBIO
Monitoring of populations near the margins of a species’ natural distribution, which often occur in habitats approaching their thermal limits and may be susceptible to even modest temperature increases, can provide insights on the effects of climate stressors expected to affect more northerly populations in the future. Annual monitoring activities track the escapement, document spatial and temporal spawning distribution and estimate juvenile production and outmigration characteristics of fall-run Chinook salmon, Oncorhynchus tshawytscha, in California’s Stanislaus River. Monitoring during the recent record-breaking drought revealed only minor migration- and spawning delays for returning adults, despite water temperature conditions considered detrimental to egg incubation. Results from degree-day analyses to estimate fertilization dates of emigrating juvenile salmon suggests diminished reproductive success of early spawners. While peak timing of reproduction might shift over time resulting from poor fitness of early spawners, this reduces in-river rearing opportunities of juveniles, which must emigrate before thermal connectivity to the marine environment is lost in spring. Long-term air temperature data indicates that cooling below certain temperature thresholds occurs progressively later in fall, while the same thresholds are exceeded earlier in spring, reducing the window for emigration of juvenile fall-run Chinook salmon and, by extension, further diminishing population resilience
Science 24-7 is another affiliate of sciencetutors and webscience. Please see more resources at www.sciencetutors.zoomshare.com
Email for all science24-7 correspondence is: sciencetutorshelpdesk@gmail.com
The nitrogen cycle describes the natural processes by which nitrogen is converted between its various chemical forms and circulates between living organisms and the environment. Key processes include nitrogen fixation by bacteria, nitrification, ammonification, and denitrification. Humans impact the nitrogen cycle through activities like fossil fuel combustion and the widespread use of nitrogen-based fertilizers, which can introduce excess nitrogen into ecosystems and cause problems like eutrophication. More developed countries tend to introduce more nitrogen through industry and transportation, while less developed countries' impacts come more from agriculture and large populations.
This document discusses biological nitrogen fixation, which is the process by which nitrogen is converted from atmospheric nitrogen gas into ammonia by prokaryotes like bacteria and archaea. It notes that nitrogen is essential but difficult to access from the atmosphere, and describes four methods of nitrogen acquisition including nitrogen fixation. It then focuses on nitrogen fixation in more detail, noting the discovery of nitrogenase and how it allows prokaryotes to perform this process, and how agriculture relies heavily on synthetic nitrogen fertilizers to provide nitrogen to crops.
This document summarizes research on water-saving traits in pulses. It discusses two main traits - limited transpiration under high vapor pressure deficit (VPD) and maintenance of transpiration at lower soil water contents (FTSW). Studies found genetic variability in VPD and FTSW responses in crops like chickpea, lentil, and pearl millet. Crop modeling showed improved varieties with VPD-sensitive traits could increase soybean yields in Africa. Breeding efforts are now targeting these physiologically important drought tolerance traits to develop new varieties for water-limited conditions.
The nitrogen cycle describes the natural process by which nitrogen is converted between its various chemical forms and circulated between living organisms and the atmosphere. Nitrogen is essential for building proteins and other organic molecules in living things. It enters ecosystems through nitrogen fixation by bacteria or lightning. Nitrifying bacteria then convert nitrogen into nitrites and nitrates that can be absorbed by plants. Plants and animals incorporate nitrogen into their tissues through consumption or root uptake, and nitrogen returns to the atmosphere through decomposition, denitrification, and other processes. The nitrogen cycle is crucial for supporting life but anthropogenic nitrogen pollution from sources like fossil fuel combustion and fertilizer runoff can disrupt ecosystems.
The document summarizes a presentation given by the Director General of ICARDA on the challenges facing dryland regions and ICARDA's work to address them. ICARDA focuses on improving livelihoods in drylands by increasing incomes, food access, and sustainable natural resource management. Their work includes developing drought-tolerant crops, raising small ruminant productivity through ultrasound and reproduction technologies, adopting water-saving irrigation techniques, and rehabilitating degraded rangelands through water harvesting and controlled grazing. The presentation concludes that addressing dryland challenges requires integrated solutions and that climate change will be a key driver, presenting opportunities for collaboration between ICARDA and Tottori University.
The nitrogen cycle describes the movement of nitrogen through ecosystems. Nitrogen is absorbed by plants from the soil and incorporated into proteins. Animals get nitrogen by eating plant proteins. Bacteria break down nitrogenous waste from dead plants and animals, converting it into ammonium, then nitrites and nitrates, which enrich the soil. Lightning and bacteria also fix atmospheric nitrogen into forms usable by plants.
A creative way to learn about the bacteria Rhizobium with a touch of Bollywood. For young, science minds. This was a part of my college curriculum as I am studying Microbiology Hons.
The document discusses nitrogen fixation and the nitrogen cycle. It notes that while nitrogen gas makes up 78% of the atmosphere, plants cannot use it directly and must obtain nitrogen from the soil in the forms of nitrates and ammonium salts. Nitrogen fixation is carried out by both biological and non-biological processes, with biological nitrogen fixation being the primary means of fixing atmospheric nitrogen in the soil through the action of nitrogen-fixing bacteria and their enzyme nitrogenase. The nitrogenase enzyme converts atmospheric nitrogen gas into ammonia through an ATP-dependent process.
Here are the answers to the questions:
1. Nitrogen is present in the form of N2 gas in the atmosphere.
2. The enzyme nitrogenase is responsible for splitting the triple N≡N bond in nitrogen fixation.
3. The Haber process is used in chemical nitrogen fixation to convert nitrogen gas to ammonia at high pressure and temperature.
4. A nodulated symbiosis is the formation of nodules in leguminous plants by Rhizobium bacteria, for example Rhizobium and chickpea.
Nitrogen is essential for all life and is required to make proteins, DNA, RNA and other biomolecules. It can be obtained through nitrogen fixation, the process by which atmospheric nitrogen is converted to nitrogen-containing compounds that can be used by plants and other organisms. This process is carried out by bacteria that are able to break the strong triple bond of dinitrogen gas and "fix" it into useable forms like ammonia. Important nitrogen-fixing bacteria include Rhizobium species that form symbiotic root nodules on legumes and blue-green algae. Nitrogen fixation provides the main natural source of nitrogen in ecosystems and is vital for agriculture.
Azobacter and Rhizobium are soil bacteria. Azobacter is free-living while Rhizobium lives symbiotically with legume plants. Both bacteria can fix atmospheric nitrogen into ammonium to benefit plant growth, though Rhizobium does so through its symbiotic relationship with legumes. The document provides details on the size, shapes, environmental conditions and benefits of these nitrogen-fixing bacteria.
1. The nitrogen cycle describes how nitrogen is converted between its various forms and moves between the atmosphere, soil, plants, and animals.
2. Atmospheric nitrogen is converted to ammonia or nitrates through nitrogen fixation, which allows plants and animals to use it.
3. Nitrification and ammonification convert ammonia into other nitrogen forms that plants can use, and denitrification returns nitrogen to the atmosphere, completing the cycle.
Carbon is the major constituent element in plants after water. It is found in important biomolecules like chlorophyll, cytochromes, alkaloids, and many vitamins. Nitrogen plays an important role in plant metabolism, growth, reproduction and heredity. Plants cannot utilize atmospheric nitrogen directly and require nitrogen-fixing bacteria to convert it into bioavailable forms like nitrates, nitrites and ammonia. Nitrogen fixation can occur through both biological and non-biological means, with biological nitrogen fixation involving symbiotic associations between plants and nitrogen-fixing microorganisms like Rhizobium bacteria.
Can we measure female social entrepreneurship? ICARDA
1st Annual Conference of the Private Sector Development Research Network:Private Enterprise and Inclusion12-13 December 2019
Presentation by Anastasia Seferiadis, Sarah Cummings and Bénédicte Gastineau
Building Climate Smart FARMERSThe Indian PerspectiveICARDA
Presented by
DR. KIRIT N SHELAT, I.A.S. (Rtd)
National Council for Climate Change, Sustainable Development and Public Leadership (NCCSD)
AHMEDABAD - INDIA
The document discusses the concepts of Food, Energy, and Water (FEW) and their interlinkages. It describes the Solar Universities Network (SUN) which has 72 registered universities working towards sustainability goals. The network is establishing guidelines around campus water, energy, and plastics use to help universities become carbon neutral. It also presents various perspectives on FEW such as production for food versus fodder, large versus small systems, and using FEW for multiple purposes.
Just Add Water: Approaches to Smart Agricultural Water ManagementICARDA
1) The document discusses approaches to smart agricultural water management including using water more productively, increasing water availability through small reservoirs and managed aquifer recharge, and bringing innovations such as solar irrigation under smarter water management.
2) It notes that water is the first and worst hit resource by climate change and is vital, connecting sectors. The Global Commission on Adaptation report emphasizes helping small-scale producers manage risks and making agriculture climate smart.
3) Pilot projects on on-grid and off-grid solar solutions for irrigation can provide energy access, food security, and incomes while diversifying power grids and reducing costs for farmers.
The DryArc Initiative aims to develop innovative and resilient agri-food systems in dryland regions through a global partnership. It will pursue two pathways: 1) combining existing technologies into systemic innovations tailored to each context, and 2) accelerating the scaling up of impact-targeted innovations. Over four phases from 2019-2030, DryArc will co-design solutions with stakeholders, strengthen capacities, and establish an enabling environment through decision support, monitoring and evaluation, and attracting investment. The goal is to transform agri-food systems and support food/nutrition security and employment in dryland regions vulnerable to problems like land degradation, water scarcity, and climate change impacts.
SUSTAINABLE SILVOPASTORAL RESTORATION TO PROMOTE ECOSYSTEM SERVICES IN TUNISIAICARDA
25 - 29 November 2019. Antalya, Turkey. Near East Forestry and Range Commission (NEFRC) - 24th Session
Presentation by Dr. Mounir Louhaichi
Rangeland Ecology & Management
International Center for Agricultural Research in the Dry Areas
M.Louhaichi@cigar.org
Highlights on 2019 research outputs and outcomesICARDA
18-20/11/2019. ICARDA Board of Trustees. The Program Committee of the first day was open to all staff. It included:
Highlights of recent research breakthroughs and strategic questions presented by Strategic Research Priorities (CRPs) and Cross Cutting Themes (CCTs).
This document discusses mobile data collection and the advantages of using Computer Aided Personal Interviewing (CAPI) over traditional Pen and Paper Interviewing (PAPI). It introduces Open Data Kit (ODK) as an open source mobile data collection platform that allows for quicker and easier data collection with real-time quality checks. ODK facilitates offline data collection with centralized data storage and repeat questions.
BRINGING INNOVATION AND SUSTAINABILITY ALONG THE WHOLE VALUE CHAIN IN THE MED...ICARDA
Tunis, 6-7 November 2019. Training workshop PRIMA – Partnership for Research and Innovation in the Mediterranean Area is the most ambitious joint programme to be undertaken in the frame of Euro-Mediterranean cooperation.
Presentation by Prof. M. Hachicha National Research Institute in Rural Engineering, Water and Forestry, University of Carthage | UCAR
Utilizing the reject brine from desalination for implementing integrated agri...ICARDA
14-15 November 2019. Madrid. International Symposium on the use of Non-Conventional Waters to achieve Food Security
DESALINATION - “Advancing desalination: reducing energy consumption and environmental footprint”
Presentation by Ms Dionysia Lyra, International Centre on Biosaline Agriculture (ICBA), United Arab Emirates
The nitrogen cycle describes the movement of nitrogen through ecosystems. Nitrogen is absorbed by plants from the soil and incorporated into proteins. Animals get nitrogen by eating plant proteins. Bacteria break down nitrogenous waste from dead plants and animals, converting it into ammonium, then nitrites and nitrates, which enrich the soil. Lightning and bacteria also fix atmospheric nitrogen into forms usable by plants.
A creative way to learn about the bacteria Rhizobium with a touch of Bollywood. For young, science minds. This was a part of my college curriculum as I am studying Microbiology Hons.
The document discusses nitrogen fixation and the nitrogen cycle. It notes that while nitrogen gas makes up 78% of the atmosphere, plants cannot use it directly and must obtain nitrogen from the soil in the forms of nitrates and ammonium salts. Nitrogen fixation is carried out by both biological and non-biological processes, with biological nitrogen fixation being the primary means of fixing atmospheric nitrogen in the soil through the action of nitrogen-fixing bacteria and their enzyme nitrogenase. The nitrogenase enzyme converts atmospheric nitrogen gas into ammonia through an ATP-dependent process.
Here are the answers to the questions:
1. Nitrogen is present in the form of N2 gas in the atmosphere.
2. The enzyme nitrogenase is responsible for splitting the triple N≡N bond in nitrogen fixation.
3. The Haber process is used in chemical nitrogen fixation to convert nitrogen gas to ammonia at high pressure and temperature.
4. A nodulated symbiosis is the formation of nodules in leguminous plants by Rhizobium bacteria, for example Rhizobium and chickpea.
Nitrogen is essential for all life and is required to make proteins, DNA, RNA and other biomolecules. It can be obtained through nitrogen fixation, the process by which atmospheric nitrogen is converted to nitrogen-containing compounds that can be used by plants and other organisms. This process is carried out by bacteria that are able to break the strong triple bond of dinitrogen gas and "fix" it into useable forms like ammonia. Important nitrogen-fixing bacteria include Rhizobium species that form symbiotic root nodules on legumes and blue-green algae. Nitrogen fixation provides the main natural source of nitrogen in ecosystems and is vital for agriculture.
Azobacter and Rhizobium are soil bacteria. Azobacter is free-living while Rhizobium lives symbiotically with legume plants. Both bacteria can fix atmospheric nitrogen into ammonium to benefit plant growth, though Rhizobium does so through its symbiotic relationship with legumes. The document provides details on the size, shapes, environmental conditions and benefits of these nitrogen-fixing bacteria.
1. The nitrogen cycle describes how nitrogen is converted between its various forms and moves between the atmosphere, soil, plants, and animals.
2. Atmospheric nitrogen is converted to ammonia or nitrates through nitrogen fixation, which allows plants and animals to use it.
3. Nitrification and ammonification convert ammonia into other nitrogen forms that plants can use, and denitrification returns nitrogen to the atmosphere, completing the cycle.
Carbon is the major constituent element in plants after water. It is found in important biomolecules like chlorophyll, cytochromes, alkaloids, and many vitamins. Nitrogen plays an important role in plant metabolism, growth, reproduction and heredity. Plants cannot utilize atmospheric nitrogen directly and require nitrogen-fixing bacteria to convert it into bioavailable forms like nitrates, nitrites and ammonia. Nitrogen fixation can occur through both biological and non-biological means, with biological nitrogen fixation involving symbiotic associations between plants and nitrogen-fixing microorganisms like Rhizobium bacteria.
Can we measure female social entrepreneurship? ICARDA
1st Annual Conference of the Private Sector Development Research Network:Private Enterprise and Inclusion12-13 December 2019
Presentation by Anastasia Seferiadis, Sarah Cummings and Bénédicte Gastineau
Building Climate Smart FARMERSThe Indian PerspectiveICARDA
Presented by
DR. KIRIT N SHELAT, I.A.S. (Rtd)
National Council for Climate Change, Sustainable Development and Public Leadership (NCCSD)
AHMEDABAD - INDIA
The document discusses the concepts of Food, Energy, and Water (FEW) and their interlinkages. It describes the Solar Universities Network (SUN) which has 72 registered universities working towards sustainability goals. The network is establishing guidelines around campus water, energy, and plastics use to help universities become carbon neutral. It also presents various perspectives on FEW such as production for food versus fodder, large versus small systems, and using FEW for multiple purposes.
Just Add Water: Approaches to Smart Agricultural Water ManagementICARDA
1) The document discusses approaches to smart agricultural water management including using water more productively, increasing water availability through small reservoirs and managed aquifer recharge, and bringing innovations such as solar irrigation under smarter water management.
2) It notes that water is the first and worst hit resource by climate change and is vital, connecting sectors. The Global Commission on Adaptation report emphasizes helping small-scale producers manage risks and making agriculture climate smart.
3) Pilot projects on on-grid and off-grid solar solutions for irrigation can provide energy access, food security, and incomes while diversifying power grids and reducing costs for farmers.
The DryArc Initiative aims to develop innovative and resilient agri-food systems in dryland regions through a global partnership. It will pursue two pathways: 1) combining existing technologies into systemic innovations tailored to each context, and 2) accelerating the scaling up of impact-targeted innovations. Over four phases from 2019-2030, DryArc will co-design solutions with stakeholders, strengthen capacities, and establish an enabling environment through decision support, monitoring and evaluation, and attracting investment. The goal is to transform agri-food systems and support food/nutrition security and employment in dryland regions vulnerable to problems like land degradation, water scarcity, and climate change impacts.
SUSTAINABLE SILVOPASTORAL RESTORATION TO PROMOTE ECOSYSTEM SERVICES IN TUNISIAICARDA
25 - 29 November 2019. Antalya, Turkey. Near East Forestry and Range Commission (NEFRC) - 24th Session
Presentation by Dr. Mounir Louhaichi
Rangeland Ecology & Management
International Center for Agricultural Research in the Dry Areas
M.Louhaichi@cigar.org
Highlights on 2019 research outputs and outcomesICARDA
18-20/11/2019. ICARDA Board of Trustees. The Program Committee of the first day was open to all staff. It included:
Highlights of recent research breakthroughs and strategic questions presented by Strategic Research Priorities (CRPs) and Cross Cutting Themes (CCTs).
This document discusses mobile data collection and the advantages of using Computer Aided Personal Interviewing (CAPI) over traditional Pen and Paper Interviewing (PAPI). It introduces Open Data Kit (ODK) as an open source mobile data collection platform that allows for quicker and easier data collection with real-time quality checks. ODK facilitates offline data collection with centralized data storage and repeat questions.
BRINGING INNOVATION AND SUSTAINABILITY ALONG THE WHOLE VALUE CHAIN IN THE MED...ICARDA
Tunis, 6-7 November 2019. Training workshop PRIMA – Partnership for Research and Innovation in the Mediterranean Area is the most ambitious joint programme to be undertaken in the frame of Euro-Mediterranean cooperation.
Presentation by Prof. M. Hachicha National Research Institute in Rural Engineering, Water and Forestry, University of Carthage | UCAR
Utilizing the reject brine from desalination for implementing integrated agri...ICARDA
14-15 November 2019. Madrid. International Symposium on the use of Non-Conventional Waters to achieve Food Security
DESALINATION - “Advancing desalination: reducing energy consumption and environmental footprint”
Presentation by Ms Dionysia Lyra, International Centre on Biosaline Agriculture (ICBA), United Arab Emirates
The role of higher and vocational education and training in developing knowle...ICARDA
This document discusses the role of higher and vocational education in developing skills for agricultural transformation in Africa. It notes that while there are many collaborative projects focusing on research, education, and development, higher education and vocational training institutions do not always collaborate effectively. Specifically, vocational training is often focused on production rather than broader sector transformation. There are opportunities to better connect capacity development projects with development projects through student internships and theses. Improved collaboration between higher education, vocational education, and the private sector could enhance skills development and relevance for employment.
Characteristics of a winning research proposal ICARDA
Tunis, 6-7 November 2019. Training workshop PRIMA – Partnership for Research and Innovation in the Mediterranean Area is the most ambitious joint programme to be undertaken in the frame of Euro-Mediterranean cooperation.
Yehia Selmi, co-founder, Bio-wonder, Tunisia.
28 October 2019. Cairo. On the occasion of the 10th Africa Food Day Commemoration, held in joint food and nutrition security research and innovation projects within the Africa-EU Partnership.
Panel 4: Panel 4 – Idea-carriers:
Powering dry areas by empowering food security under the context of climat...ICARDA
This document summarizes a presentation on powering dry areas through food security under climate change. It discusses critical factors like extreme poverty, environmental degradation, and climate impacts. Key themes in Tunisia include effects of climate change on agriculture/food security as population grows. The most pressing priorities are enhancing water productivity, crop improvement, managing salinity, and integrated livestock. Achievable goals include conserving water, developing drought/salt tolerant varieties, reducing yield gaps, and regional technology sharing. Key actors are researchers, farmers, and international organizations. Overall, it stresses the need for collaborative research on scenarios to ensure food/nutrition security under challenges like resource degradation and climate change.
Dr. Jacques Wery, Deputy Director General Research, ICARDA (CGIAR)
28 October 2019. On the occasion of the 10th Africa Food Day Commemoration, held in Egypt under the chairmanship of the African Union by Egypt in 2019, the North Africa event, organized by LEAP4FNSSA with the support of ARC/ Agricultural Research Center of the Ministry of Agriculture and Land Reclamation, launched a public private alliance of partners between Europe and North Africa to develop joint food and nutrition security research and innovation projects within the Africa-EU Partnership
Funding networks and mechanisms to support EU AU FNSSA R&I ICARDA
Dr. Bernard Mallet, Agriculture Projects Coordinator, Agence Nationale de la Recherche, France
28 October. On the occasion of the 10th Africa Food Day Commemoration, held in Egypt under the chairmanship of the African Union by Egypt in 2019, the North Africa event, organized by LEAP4FNSSA with the support of ARC/ Agricultural Research Center of the Ministry of Agriculture and Land Reclamation, launched a public private alliance of partners between Europe and North Africa to develop joint food and nutrition security research and innovation projects within the Africa-EU Partnership
https://www.icarda.org/media/events/building-research-and-innovation-collaborations-within-frame-african-european
Mapping suitable niche for cactus and legumes in diversified farming in drylandsICARDA
Presentation by Chandrashekhar Biradar and team.
16-18 October 2019. Hyderabad, India. TRUST: Humans, Machines & Ecosystems. This year’s Convention was hosted by The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT). The Platform is led by the International Center for Tropical Agriculture (CIAT) and the International Food Policy Research Institute (IFPRI).
Sexuality - Issues, Attitude and Behaviour - Applied Social Psychology - Psyc...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
_Extraction of Ethylene oxide and 2-Chloroethanol from alternate matrices Li...LucyHearn1
How do you know your food is safe?
Last Friday was world World Food Safety Day, facilitated by the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO) in which the slogan rightly says, 'food safety is everyone's business'. Due to this, I thought it would be worth sharing some data that I have worked on in this field!
Working at Markes International has really opened my eyes (and unfortunately my friends and family 🤣) to food safety and quality, especially with my recent application work on ethylene oxide and 2-chloroethanol residues in foodstuffs, as of the biggest global food recalls in history was and is still being implemented by the Rapid alert system for food and feed (RASFF) in 2021, for high levels of these carcinogenic compounds.
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.
Anti-Universe And Emergent Gravity and the Dark UniverseSérgio Sacani
Recent theoretical progress indicates that spacetime and gravity emerge together from the entanglement structure of an underlying microscopic theory. These ideas are best understood in Anti-de Sitter space, where they rely on the area law for entanglement entropy. The extension to de Sitter space requires taking into account the entropy and temperature associated with the cosmological horizon. Using insights from string theory, black hole physics and quantum information theory we argue that the positive dark energy leads to a thermal volume law contribution to the entropy that overtakes the area law precisely at the cosmological horizon. Due to the competition between area and volume law entanglement the microscopic de Sitter states do not thermalise at sub-Hubble scales: they exhibit memory effects in the form of an entropy displacement caused by matter. The emergent laws of gravity contain an additional ‘dark’ gravitational force describing the ‘elastic’ response due to the entropy displacement. We derive an estimate of the strength of this extra force in terms of the baryonic mass, Newton’s constant and the Hubble acceleration scale a0 = cH0, and provide evidence for the fact that this additional ‘dark gravity force’ explains the observed phenomena in galaxies and clusters currently attributed to dark matter.
Immersive Learning That Works: Research Grounding and Paths ForwardLeonel Morgado
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...Scintica Instrumentation
Targeting Hsp90 and its pathogen Orthologs with Tethered Inhibitors as a Diagnostic and Therapeutic Strategy for cancer and infectious diseases with Dr. Timothy Haystead.
The binding of cosmological structures by massless topological defectsSérgio Sacani
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
JAMES WEBB STUDY THE MASSIVE BLACK HOLE SEEDSSérgio Sacani
The pathway(s) to seeding the massive black holes (MBHs) that exist at the heart of galaxies in the present and distant Universe remains an unsolved problem. Here we categorise, describe and quantitatively discuss the formation pathways of both light and heavy seeds. We emphasise that the most recent computational models suggest that rather than a bimodal-like mass spectrum between light and heavy seeds with light at one end and heavy at the other that instead a continuum exists. Light seeds being more ubiquitous and the heavier seeds becoming less and less abundant due the rarer environmental conditions required for their formation. We therefore examine the different mechanisms that give rise to different seed mass spectrums. We show how and why the mechanisms that produce the heaviest seeds are also among the rarest events in the Universe and are hence extremely unlikely to be the seeds for the vast majority of the MBH population. We quantify, within the limits of the current large uncertainties in the seeding processes, the expected number densities of the seed mass spectrum. We argue that light seeds must be at least 103 to 105 times more numerous than heavy seeds to explain the MBH population as a whole. Based on our current understanding of the seed population this makes heavy seeds (Mseed > 103 M⊙) a significantly more likely pathway given that heavy seeds have an abundance pattern than is close to and likely in excess of 10−4 compared to light seeds. Finally, we examine the current state-of-the-art in numerical calculations and recent observations and plot a path forward for near-future advances in both domains.
Candidate young stellar objects in the S-cluster: Kinematic analysis of a sub...Sérgio Sacani
Context. The observation of several L-band emission sources in the S cluster has led to a rich discussion of their nature. However, a definitive answer to the classification of the dusty objects requires an explanation for the detection of compact Doppler-shifted Brγ emission. The ionized hydrogen in combination with the observation of mid-infrared L-band continuum emission suggests that most of these sources are embedded in a dusty envelope. These embedded sources are part of the S-cluster, and their relationship to the S-stars is still under debate. To date, the question of the origin of these two populations has been vague, although all explanations favor migration processes for the individual cluster members. Aims. This work revisits the S-cluster and its dusty members orbiting the supermassive black hole SgrA* on bound Keplerian orbits from a kinematic perspective. The aim is to explore the Keplerian parameters for patterns that might imply a nonrandom distribution of the sample. Additionally, various analytical aspects are considered to address the nature of the dusty sources. Methods. Based on the photometric analysis, we estimated the individual H−K and K−L colors for the source sample and compared the results to known cluster members. The classification revealed a noticeable contrast between the S-stars and the dusty sources. To fit the flux-density distribution, we utilized the radiative transfer code HYPERION and implemented a young stellar object Class I model. We obtained the position angle from the Keplerian fit results; additionally, we analyzed the distribution of the inclinations and the longitudes of the ascending node. Results. The colors of the dusty sources suggest a stellar nature consistent with the spectral energy distribution in the near and midinfrared domains. Furthermore, the evaporation timescales of dusty and gaseous clumps in the vicinity of SgrA* are much shorter ( 2yr) than the epochs covered by the observations (≈15yr). In addition to the strong evidence for the stellar classification of the D-sources, we also find a clear disk-like pattern following the arrangements of S-stars proposed in the literature. Furthermore, we find a global intrinsic inclination for all dusty sources of 60 ± 20◦, implying a common formation process. Conclusions. The pattern of the dusty sources manifested in the distribution of the position angles, inclinations, and longitudes of the ascending node strongly suggests two different scenarios: the main-sequence stars and the dusty stellar S-cluster sources share a common formation history or migrated with a similar formation channel in the vicinity of SgrA*. Alternatively, the gravitational influence of SgrA* in combination with a massive perturber, such as a putative intermediate mass black hole in the IRS 13 cluster, forces the dusty objects and S-stars to follow a particular orbital arrangement. Key words. stars: black holes– stars: formation– Galaxy: center– galaxies: star formation
Describing and Interpreting an Immersive Learning Case with the Immersion Cub...Leonel Morgado
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
Travis Hills of MN is Making Clean Water Accessible to All Through High Flux ...Travis Hills MN
By harnessing the power of High Flux Vacuum Membrane Distillation, Travis Hills from MN envisions a future where clean and safe drinking water is accessible to all, regardless of geographical location or economic status.
2. Nitrogen Accumulation Required for
Crop Growth
• Every new cell requires nitrogen
• Maximum metabolic activity
requires nitrogen
• Redistribution of nitrogen required
to maximize seed growth
3. Perspective on N2
Fixation Research
Energy crisis of 1970’s spurred
major new efforts in N2 fixation
Assumed that bacteria partner was key to
increasing N2 fixation
Now, clear that host plant is the dominate
partner in regulating N2 fixation
Failure in perspective still resonates today
4. Host Plant Control of N2 Fixation
Foster effective fixers
(nodule sanctioning)
Unique features of nodules regulate fixation rate
Closed water system
Oxygen flux to nodule interior
Sensitivity to N feedback
Fixation highly integrated into plant circulation
Water
Nitrogen
(rarely, carbon critical)
16. Identification of N2 Tolerant Germplasm
~ 3,500 Plant Introductions
Field Screen Low petiole ureide
~ 250 PI Selections
Field Screen N accum. under drought
24 PI Selections
Glasshouse Test ARA with drying soil
11 Tolerant PIs
19. Hutcheson x PI 471938
(drought sensitive) (drought tolerant)
Heterozygous Inbred Families (HIF)
Thirteen HIFs tested
Is N2 fixation tolerance trait
readily transferred to progeny?
20.
21. N2 Fixation Drought
Tolerance
Limited
Transpiration
Maturity
Group
Parental
Pedigree1
Antecedents2 Rank Antecedent
With Trait
Rank Antecedent
With Trait
R02-1325 V 93705-35-1 x
PI 227557
93705-35-1 = Jackson x KS 4895 1 50% PI 227557
25% Jackson
8 No known source
N05-7432 VIII N7002 x
N98-7265
N7002 = N7001 x Cook
N98-7265 = Hutcheson x PPI
471938
2 25% PI 471938 3 12.5% PI 416937
R05-5559 V UA4805 x
PI 471938
UA4805 = Hartz 5545 x KS 4895 3 50% PI 471938 linear No known source
N04-9646 VII Boggs x
NTCPR94-
5157
Boggs = G81-152 x Coker 6738
NTCPR94-5157 = Davis x N73-1102
N73-1102 = Tracy x Ransom
4 No known source 4 No known source
N06-7194 VIII N98-7265 x
N93-110-6
N98-7265 = Hutcheson x PI 471938
N93-110-6 = Young x PI 416937
5 25% PI 471938 5 25% PI 416937
R09-1069 V R01-52F x
Ozark
R01-52F = R93-5455 x Minsoy
R93-5455 = Jackson-derived line x
PI 416937
Ozark = Holladay x DP 415
6 6.25% Jackson 1T 12.5% PI 416937
N06-7543 VII NC-Roy x
N8001
NC-Roy = Holladay x Brim
N8001 = N7001 x Cook
7 No known source 7 12.5% PI 416937
R07-5235 V R01-52F x
R02-6268F
R01-52F = R93-5455 x Minsoy
R93-5455 = Jackson-derived line x
PI 416937
R02-6268F = KS 4895 x Jackson
8 31.25% Jackson 9 12.5% PI 416937
R09-1121 V R01-888F x
R05-5559
R01-888F = Jackson x KS 4895
R05-5559 = UA 4805 x PI 471938
9 25% Jackson
25% PI 471938
1T No known source
R07-7044 V Lonoke x
NTCPR94-
5157
Lonoke = Manokin x Asgrow 6297
NTCPR94-5157 = Davis x N73-1102
N73-1102 = Tracy x Ransom
10 No known source 6 No known source
Progress in Developing Elite Breeding Lines (AR & NC)
22. Simulated Yield Response to
N2 Fixation Drought Tolerance
75 %
(wet)
Median
25 %
(dry)
Use Africa
Results
instead
23. Conclusions
Host sanctioning in suppressing retarding
expansion of ineffective bacteria
Host regulates circulation of water and N
compounds controlling N2 fixation rates
Host regulates N2 fixation rate during water-
deficit conditions
24.
25.
26.
27.
28. Mating of Jackson with several
high-yielding lines (1993)
Jackson x KS 4895